LevelOne GTL-2880 Manual

LevelOne GTL-2880 Manual

LevelOne GTL-2880 manual content summary:

  • LevelOne GTL-2880 | Manual - Page 1
    GTL-2880 L2 Plus Managed Switch - 24 GE with 4 Combo SFP + 4 10GE SFP Plus User Manual Ver. V1.1-130827 i
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    conditions, in LevelOne's judgment, it contains (1) customer does not comply with the manual instructions offered by LevelOne in installation, otherwise embedded in the equipment offered by LevelOne. (2) To copy the Software only for backup purposes in support of authorized use of the Software. (3)
  • LevelOne GTL-2880 | Manual - Page 3
    . EXCLUSIONS. The warranty as mentioned above does not apply to the Software, which (1) customer does not comply with the manual instructions offered by LevelOne in installation, operation, or maintenance, (2) Product fails due to damage from unusual external or electrical stress, shipment, storage
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    DEVICES ...5 CABLING GUIDELINES...5 THE RJ-45 PORTS ON THE SWITCH THAT SUPPORT AUTOMATIC MDI/MDI-X PIN-OUT CONFIGURATION, SO YOU CAN USE STANDARD Load ...10 2-2 TIME ...11 2-2.1 Manual...11 2-2.2 NTP ...13 2-3 ACCOUNT ...14 2-3.1 Users ...14 2-3.2 Privilege Level ...16 2-4 IP...18 2-4.1 IPV4
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    3-4.4 CIST Ports ...66 3-4.5 MSTI Ports...68 3-4.6 Bridge Status...70 3-4.7 Port Status...71 3-4.8 Port Statistics ...72 3-5 IGMP SNOOPING ...73 3-5.1 Basic Configuration ...73 3-5.2 VLAN Configuration ...75 3-5.3 Port Group Filtering ...77 3-5.4 Status...79 3-5.5 Group Information ...81 3-5.6 IPv4
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    3-14.9 DSCP Classification ...163 3-14.10 QoS Control List Configuration...164 3-14.11 QCL Status ...167 3-14.12 Storm Control...169 3-14.13 WRED ...170 3-15 S-FLOW AGENT...172 3-15.1 Collector ...172 3-15.2 Sampler ...174 3-16 EASY PORT ...176 3-17. MIRRORING ...178 3-18. TRAP EVENT SEVERITY...180
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    5-5.1 Ping...240 5-5.2 Ping6...241 5-5.3 VeriPHY ...242 A. GLOSSARY OF WEB-BASED MANAGEMENT 243 A ...243 C...244 D ...244 E...245 F ...246 H ...246 I ...246 L...248 M...248 N ...249 O ...249 P ...250 Q ...251 R...251 S ...252 T...253 U ...254 V ...254 vii
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    . It provides the ideal combination of affordability and capabilities for entry level networking includes small business or enterprise application and helps you create a more efficient, better-connected workforce. GTL-2880 Managed Switches provide 28 ports in a single device; the specification is
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    instructs you how to configure and manage the GTL-2880 through the web user interface. With this facility, you can easily access and monitor through any one , but safer. In the switch, it supports a simple user management function allowing only one administrator to configure the system at the same
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    192.168.1.1 Figure 1 The login page NOTE: If you need to configuration the function or parameter then you can refer the detail in the User Guide. Or you could access to the Switch and click the "help" under the web GUI and the switch will pop-up the simple help content
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    GTL-2880 web help function: 4
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    or better for 100BASE-TX connections The RJ-45 ports on the switch that support automatic MDI/MDI-X pin-out configuration, so you can use standard straight-through TO PCS, SERVERS, HUBS AND SWITCHES Step1. Attach one end of a twisted-pair cable segment to the device's RJ-45 connector. Figure
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    unless it is actually required to solve a problem. Otherwise back pressure jamming signals may degrade Instructions for making connections in the wiring closet with this type of equipment follows. Step1. Attach one Label the cables to simplify future troubleshooting. See "Cable Labeling and Connection
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    well as the name and location of the switch. Also indicate the local time zone by configuring the appropriate offset. 3. Click Refresh Figure 2-1.1: System Information (GTL-2880 for example, others model the same) Parameter description: 7
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    this switch.  Hardware-Mechanical version: The version of Hardware and Mechanical. The figure before the hyphen is the version of electronic hardware; the one after the hyphen is the version of mechanical.  Serial number: The serial number is assigned by the Manufacture.  Host IP address: The IP
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    2-1.2 Configuration You can identify the system by configuring the contact information, name, and location of the switch. Web interface To configure System Information in the web interface: 1. Click System, System Information, Configuration. 2. Write System Contact, System Name, System Location
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    , and the last numbers are displayed as text as well. In order to display the SVG graph, your browser must support the SVG format. Consult the SVG Wiki for more information on browser support. Specifically, at the time of writing, Microsoft Internet Explorer will need to have a plugin installed to
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    Manual. 2. Specify the Time parameter in manual parameters. 3. Click Save. Figure 2-2.1: The time configuration Parameter description:  Clock Source: To click what clock source for the GTL-2880 time, the system time will be increased one hour after one minute at the time since it passed over
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    The switch supports valid configurable day light saving time is -5 ~ +5 step one hour. The zero for this parameter means it need not have to adjust current time, equivalent to in-act daylight saving. You don't have to
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    If use the NTP mode and select a built-in NTP time server or manually specify an user-defined NTP server as well as Time Zone, the switch will local time, otherwise, you will not able to get the correct time. The switch supports configurable time zone from -12 to +13 step 1 hour. Default Time zone:
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    only. Please note that you must confirm administrator/guest identity in the field of Authorization in advance before configuring the username and password. Only one administrator is allowed to exist and unable to be deleted. In addition, up to 4 guest accounts can be created. 2-3.1 Users This page
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    To type the password again. You must type the same password again in the field.  Privilege Level : The privilege level of the user. The allowed range is 1 to 15. If the privilege level value is 15, it can access all groups, i.e. that is granted the fully control of the device. But others value need
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    VLANs QoS SMTP SNMP Security Spanning Tree System Trap Event VCL VLANs Voice VLAN Privilege Levels form 1 to 15 . Web Interface To configure Privilege Level in the web interface: 1. Click SYSTEM, Account, Privilege Level. 2. Specify the Privilege parameter. 3. Click Save. Figure2- 3.2: The Privilege
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    group consists of a single module (e.g. LACP, RSTP or QoS), but a few of them contains more than one. The following description defines these privilege level groups in details: System: Contact, Name, Location, Timezone, Log. Security: Authentication, System Access Management, Port (contains Dot1x
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    The IPv4 address for the switch could be obtained via DHCP Server for VLAN 1. To manually configure an address, you need to change the switch's default settings to values that are the IPv4 settings, and enable DNS proxy service if required. 3. Click Save. Figure2- 4.1: The IP configuration 18
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    Parameter description:  DHCP Client : Enable the DHCP client by checking this box. If DHCP fails and the configured IP address is zero, DHCP will retry. If DHCP fails and the configured IP address is non-zero, DHCP will stop and the configured IP settings will be used. The DHCP client will announce
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    of the switch in the web interface: 1. Click System, IPv6 Configuration. 2. Specify the IPv6 settings, and enable Auto Configuration service if required. 3. Click Save. Figure2- 4.2: The IPv6 configuration Parameter description:  Auto Configuration : Enable IPv6 auto-configuration by checking this
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    well a generalized informational, analysis and debugging messages. It is supported by a wide variety of devices and receivers across multiple the switch provide DNS feature, it also can be a host name.  Syslog Level : Indicates what kind of message will send to syslog server. Possible modes are:
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    Level level of the system log entry. The following level types are supported: Information level of the system log. Warning: Warning level of the system log. Error: Error level of the system log. All: All levels for refresh the system log or clear them by manual, others for next/up page or entry. 22
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    detailed message of the system log entry.  Upper right icon (Refresh, clear...) You can click them for refresh the system log or clear them by manual, others for next/up page or entry. 23
  • LevelOne GTL-2880 | Manual - Page 32
    manager. Basically, it is passive except issuing the trap information. The switch supports a switch to turn on or off the SNMP agent. If you set the field SNMP "Enable", SNMP agent will be started up. All supported MIB OIDs, including RMON MIB, can be accessed via SNMP manager. If the
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    2-6.2 Communities The function is used to configure SNMPv3 communities. The Community and UserName is unique. To create a new community account, please check button, and enter the account information then check . Max Group Number : 4. Web Interface To display the configure
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    this entry should belong to. The allowed string length is 1 to 32, and the allowed content is ASCII characters from 33 to 126.  Security Level Indicates the security model that this entry should belong to. Possible security models are: NoAuth, NoPriv: No authentication and no privacy. Auth, NoPriv
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    protocol. SHA: An optional flag to indicate that this user uses SHA authentication protocol. The value of security level cannot be modified if entry already exists. That means must first ensure that the value is set correctly.  Authentication Password A string identifying the authentication
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    2-6.4 Groups The function is used to configure SNMPv3 group. The Entry index key are Security Model and Security Name. To create a new group account, please check button, and enter the group information then check . Max Group Number: v1: 2, v2: 2, v3:10. Web Interface To
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    2-6.5 Views The function is used to configure SNMPv3 view. The Entry index keys are OID Subtree and View Name. To create a new view account, please check button, and enter the view information then check . Max Group Number: 28. Configure SNMPv3 view table on this page. The entry
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    The OID defining the root of the subtree to add to the named view. The allowed OID length is 1 to 128. The allowed string content is digital number or asterisk(*).  Save To click the Save icon to save the configuration to ROM. 30
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    : any: Any security model accepted(v1|v2c|usm). v1: Reserved for SNMPv1. v2c: Reserved for SNMPv2c. usm: User-based Security Model (USM).  Security Level Indicates the security model that this entry should belong to. Possible security models are: NoAuth, NoPriv: No authentication and no privacy. 31
  • LevelOne GTL-2880 | Manual - Page 40
    Auth, NoPriv: Authentication and no privacy. Auth, Priv: Authentication and privacy.  Read View Name The name of the MIB view defining the MIB objects for which this request may request the current values. The allowed string length is 1 to 32, and the allowed content is ASCII characters from 33 to
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    2-6.7 Tarp The function is used to configure SNMP trap. To create a new trap account, please check button, and enter the trap information then check . Max Group Number : 6. Web Interface To configure SNMP Trap setting: 1. Click SNMP, Trap . 2. Display the SNMP Trap Hosts
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    . Possible modes are: Info: Send informations, warnings and errors. Warning: Send warnings and errors. Error: Send errors.  Security Level: There are three kinds of choices. NoAuth, NoPriv: No authentication and no privacy. Auth, NoPriv: Authentication and no privacy. Auth, Priv: Authentication
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    Chapter 3. Configuration This chapter describes all of the basic network configuration tasks which includes the Ports, Layer 2 network protocol (e.g. VLANs, QoS, IGMP, ACLs and PoE etc.) and any setting of the Switch. 3-1 Port The section describes to configure the Port detail parameters of the
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    any changes made locally and revert to previously saved values.  Upper right icon (Refresh) You can click them for refresh the Port link Status by manual 36
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    3-1.2 Port Description The section describes to configure the Port's alias or any descriptions for the Port Identity. It provides user to write down an alphanumeric string describing the full name and version identification for the system's hardware type, software version, and networking application
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    icon then the device will refresh the information automatically.  Upper right icon (Refresh, Clear): You can click them for refresh the Port Statistics information by manual. Others click Clear to clean up all Port Statistics. 38
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    3-1.4 Detailed Statistics The section describes how to provide detailed traffic statistics for a specific switch port. Use the port select box to select which switch port details to display. The displayed counters are the totals for receive and transmit, the size counters for receive and transmit,
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    to refresh the Queuing Counters automatically.  Upper right icon (Refresh, clear) You can click them for refresh the Port Detail Statistics or clear them by manual. 40
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    -refresh to refresh the Queuing Counters automatically.  Upper right icon (Refresh, clear) You can click them for refresh the Queuing Counters or clear them by manual. 41
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    optical transmitting central wavelength, for instance, 850nm, 1310nm, 1550nm and so on.  Baud Rate: Display the maximum baud rate of the fiber module supported, for instance, 10M, 100M, 1G and so on.  Vendor OUI: Display the Manufacturer's OUI code which is assigned by IEEE.  Vendor Name: Display
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    Show the serial number assigned by the manufacturer.  Date Code: Show the date this SFP module was made.  Temperature: Show the current temperature of SFP module.  Vcc: Show the working DC voltage of SFP module.  Mon1(Bias) mA: Show the Bias current of SFP module.  Mon2(TX PWR): Show the
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    3-2 ACL The GTL-2880 switch access control list (ACL) is probably the most commonly used object in the IOS. It is used for packet filtering but also for selecting
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    and revert to previously saved values.  Upper right icon (Refresh, clear) You can click them for refresh the ACL Port Configuration or clear them by manual. 45
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    3-2.2 Rate Limiters The section describes how to configure the switch's ACL Rate Limiter parameters. The Rate Limiter Level from 1 to 16 that allow user to set rate limiter value and units with pps or kbps. Web Interface To configure ACL Rate Limiter in
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    deny conditions that apply to IP addresses, MAC addresses, or other more specific criteria. This switch tests ingress packets against the conditions in an ACL one by one. A packet will be accepted as soon as it matches a permit rule, or dropped as soon as it matches a deny rule. If no rules match
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    Parameter description:  Ingress Port : Indicates the ingress port of the ACE. Possible values are: Any: The ACE will match any ingress port. Policy: The ACE will match ingress ports with a specific policy. Port: The ACE will match a specific ingress port.  Frame Type : Indicates the frame type of
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    to refresh the information automatically.  Upper right icon (Refresh, clear, Remove All) You can click them for refresh the ACL configuration or clear them by manual. Others remove all to clean up all ACL configurations on the table. 49
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    3-2.4 ACL Status The section describes how to shows the ACL status by different ACL users. Each row describes the ACE that is defined. It is a conflict if a specific ACE is not applied to the hardware due to hardware limitations. The maximum number of ACEs is 256 on each switch. Web Interface To
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    : To evoke the auto-refresh to refresh the information automatically.  Upper right icon (Refresh) You can click them for refresh the ACL status information by manual. 51
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    a single Fast Ethernet port has. 3-3.1 Static Trunk The Aggregation Configuration is used to configure the settings of Link Aggregation. You can bundle more than one port with the same speed, full duplex and the same MAC to be a single logical port, thus the logical port aggregates the bandwidth of
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    : The group members may reside on different units. The device supports two 8-port global aggregations. Local: The group members reside on contained in the same row. Group ID "Normal" indicates there is no aggregation. Only one group ID is valid per port.  Port Members : Each switch port is listed
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    LACP port configurations, and possibly change them as well An LACP trunk group with more than one ready member-ports is a "real trunked" group. An LACP trunk group with only one or less than one ready member-ports is not a "real trunked" group. Web Interface To configure the Trunk Aggregation LACP
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    Parameter description:  Port : The switch port number.  LACP Enabled : Controls whether LACP is enabled on this switch port. LACP will form an aggregation when 2 or more ports are connected to the same partner. LACP can form max 12 LLAGs per switch and 2 GLAGs.  Key : The Key value incurred by
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    evoke the auto-refresh to refresh the information automatically.  Upper right icon (Refresh) You can click them for refresh the LACP System status information by manual. 56
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    3-3.2.3 Port Status This section describes that when you complete to set LACP function on the switch then it provides a Port Status overview for all LACP instances Web Interface To display the LACP Port status in the web interface: 1. Click Configuration, LACP, Port Status 2. If you want to auto-
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    evoke the auto-refresh to refresh the information automatically.  Upper right icon (Refresh) : You can click them for refresh the LACP port status information by manual. 58
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    -refresh to refresh the information automatically.  Upper right icon (Refresh, Clear) You can click them for refresh the LACP port statistics information or clear by manual. 59
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    allows the switch to interact with other bridging devices (that is, an STP-compliant switch, bridge or router) in your network to ensure that only one route exists between any two stations on the network, and provide backup links which automatically take over when a primary link goes down. STP - STP
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    Figure 3-4.1: The STP Bridge Configuration Parameter description: Basic Settings  Protocol Version : The STP protocol version setting. Valid values are STP, RSTP and MSTP.  Bridge Priority : Controls the bridge priority. Lower numeric values have better priority. The bridge priority plus the MSTI
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     Edge Port BPDU Guard : Control whether a port explicitly configured as Edge will disable itself upon reception of a BPDU. The port will enter the error-disabled state, and will be removed from the active topology.  Port Error Recovery : Control whether a port in the error-disabled state
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    set the list of VLANs mapped to the MSTI. The VLANs must be separated with comma and/or space. A VLAN can only be mapped to one MSTI. An unused MSTI should just be left empty. (I.e. not having any VLANs mapped to it.) This section describes it allows the user to inspect
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    Mapped : The list of VLANs mapped to the MSTI. The VLANs must be separated with comma and/or space. A VLAN can only be mapped to one MSTI. An unused MSTI should just be left empty. (I.e. not having any VLANs  Buttons Save - Click to save changes. Reset- Click to undo any changes
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    3-4.3 MSTI Priorities When you implement an Spanning Tree protocol on the switch that the bridge instance. The CIST is the default instance which is always active. For controls the bridge priority. Lower numeric values have better priority. The bridge priority plus the MSTI instance number,
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    3-4.4 CIST Ports When you implement an Spanning Tree protocol on the switch that the bridge instance. You need to configure the CIST Ports. The section describes it allows the user to inspect the to inspect the current STP CIST port configurations, and possibly change them as well. Web Interface To
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    cost ports are chosen as forwarding ports in favour of higher path cost ports. Valid values are in the range 1 to 200000000.  Priority : Controls the port priority. This can be used to control priority of ports having identical port cost. (See above).  operEdge (state flag) : Operational flag
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    3-4.5 MSTI Ports The section describes it allows the user to inspect the current STP MSTI port configurations, and possibly change them as well. An MSTI port is a virtual port, which is instantiated separately for each active CIST (physical) port for each MSTI instance configured on and applicable
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     Port : The switch port number of the corresponding STP CIST (and MSTI) port.  Path Cost : Controls the path cost incurred by the port. The Auto setting will set the path cost as appropriate by the physical link speed, using the 802.1D recommended values. Using the Specific setting, a user-defined
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    evoke the auto-refresh to refresh the information automatically.  Upper right icon (Refresh) You can click them for refresh the STP Bridges status information by manual. 70
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    STP port.  CIST Role : The current STP port role of the CIST port. The port role can be one of the following values: AlternatePort, Backup Port, RootPort, DesignatedPort Disabled.  CIST State : The current STP port state can click them for refresh the STP Port status information by manual. 71
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    auto-refresh to refresh the information automatically.  Upper right icon (Refresh, Clear) You can click them for refresh the STP Statistics information or clear by manual. 72
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    member ports, and, in nature, avoids wasting the bandwidth while IP multicast packets are running over the network. This is because a switch that does not support IGMP or IGMP Snooping can not tell the multicast packet from the broadcast packet, so it can only treat them all as the broadcast packet
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    : Enable unregistered IPMCv4 traffic flooding.  IGMP SSM Range : SSM (Source-Specific Multicast) Range allows the SSM-aware hosts and routers run the SSM service model for the groups in the address range. Format: (IP address/ sub mask)  Proxy Enabled : Enable IGMP Proxy. This feature can be used
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    . When first visited, the web page will show the first 20 entries from the beginning of the VLAN Table. The first displayed will be the one with the lowest VLAN ID found in the VLAN Table. The "VLAN" input fields allow the user to select the starting point in the VLAN
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    inserted into the periodic General Queries. The allowed range is 0 to 31744 in tenths of seconds; default query response interval is 100 in tenths of seconds (10 seconds).  LLQI (LMQI for IGMP) : Last Member Query Interval. The Last Member Query Time is the time value represented by the Last Member
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    /TV, based on some type of subscription or service plan. With this feature, you can filter multicast joins on a per-port basis by configuring IP multicast profiles and associating them with individual switch ports. An IGMP profile can contain one or more multicast groups and specifies whether access
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     Filtering Groups : The IP Multicast Group that will be filtered.  Buttons: Save - Click to save changes. Reset- Click to undo any changes made locally and revert to previously saved values. 78
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    3-5.4 Status After you complete the IGMP Snooping configuration, then you could to let the switch display the IGMP Snooping Status. The Section provides you to let switch to display the IGMP Snooping detail status. Web Interface To display the IGMP Snooping status in the web interface: 1. Click
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    then the device will refresh the log automatically.  Upper right icon (Refresh, clear) You can click them for refresh the Status or clear them by manual. 80
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    -refresh icon then the device will refresh the log automatically.  Upper right icon (Refresh, ) You can click them for refresh the IGMP Group Status by manual, others for next/up page or entry.. 81
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    3-5.6 IPv4 SSM information Source Specific Multicast (SSM) is a datagram delivery model that best supports one-to-many applications, also known as broadcast applications. SSM is a core network technology of IP multicast targeted for audio and video broadcast application environments. For
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    -refresh icon then the device will refresh the log automatically.  Upper right icon (Refresh, ) You can click them for refresh the IGMP Group Status by manual, others for next/up page or entry.. 83
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    3-6 MLD Snooping Curiously enough, a network node that acts as a source of IPv6 multicast traffic is only an indirect participant in MLD snooping-it just provides multicast traffic, and MLD doesn't interact with it. (Note, however, that in an application like desktop conferencing a network node may
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    lead to failure of Neighbor Discovery.  MLD SSM Range : SSM (Source-Specific Multicast) Range allows the SSM-aware hosts and routers run the SSM service model for the groups in the address (Using IPv6 Address) range.  Proxy Enabled : Enable MLD Proxy. This feature can be used to avoid forwarding
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    3-6.2 VLAN Configuration When MLD snooping is enabled on a VLAN, the switch acts to minimize unnecessary multicast traffic. If the switch receives multicast traffic destined for a given multicast address, it forwards that traffic only to ports on the VLAN that have MLD hosts for that address. It
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    31744 seconds, default unsolicited report interval is 1 second.  Upper right icon (Refresh, ) You can click them for refresh the IGMP Group Status by manual, others for next/up page or entry..  Buttons: Save - Click to save changes. Reset- Click to undo any changes made locally and revert
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    3-6.3 Port Group Filtering The section describes that you could to set the Port Group Filtering in the MLD Snooping function. On the UI that you could add new filtering group and safety policy. Web Interface To configure the MLD Snooping Port Group Configuration in the web interface: 1. Click
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    3-6.4 Status The section describes when you complete the MLD Snooping and how to display the MLD Snooping Status and detail information. It will help you to find out the detail information of MLD Snooping status. Web Interface To display the MLD Snooping Status in the web interface: 1. Click
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    -refresh icon then the device will refresh the log automatically.  Upper right icon (Refresh, ) You can click them for refresh the IGMP Group Status by manual, others for next/up page or entry.. 90
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    3-6.5 Group Information The section describes user could set the MLD Snooping Groups Information. The "Start from VLAN", and "group" input fields allow the user to select the starting point in the MLD Group Table Each page shows up to 99 entries from the MLD Group table, default being 20, selected
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     Auto-refresh : To evoke the auto-refresh icon then the device will refresh the log automatically.  Upper right icon (Refresh, ): You can click them for refresh the IGMP Group Status by manual, others for next/up page or entry.. 92
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    3-6.6 IPv6 SSM Information The section describes the user to configure the Entries in the MLDv2 Information Table are shown on this page. The MLDv2 Information Table is sorted first by VLAN ID, then by group, and then by Port No. Diffrent source addresses belong to the same group are treated as
  • LevelOne GTL-2880 | Manual - Page 102
    television application, a PC or a television with a set-top box can receive the multicast stream. Multiple set-top boxes or PCs can be connected to one subscriber port, which is a switch port configured as an MVR receiver port. When a subscriber selects a channel, the set-top box or PC sends an
  • LevelOne GTL-2880 | Manual - Page 103
    Parameter description:  MVR Mode : Enable/Disable the Global MVR.  VLAN ID : Specify the Multicast VLAN ID.  Mode : Enable MVR on the port.  Type : Specify the MVR port type on the port.  Immediate Leave : Enable the fast leave on the port.  Buttons: Save - Click to save changes. Reset- Click
  • LevelOne GTL-2880 | Manual - Page 104
    -refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh, ): You can click them for refresh the MVR Group information by manual, others for next/up page or entry.. 96
  • LevelOne GTL-2880 | Manual - Page 105
    -refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh, ): You can click them for refresh the MVR Group information by manual, others for next/up page or entry. 97
  • LevelOne GTL-2880 | Manual - Page 106
    3-8 LLDP The switch supports the LLDP. For current information on your switch model, The Link Layer Discovery Protocol (LLDP) provides a standards-based method for enabling switches to advertise themselves
  • LevelOne GTL-2880 | Manual - Page 107
    mapped to the LLDP "Port ID" field. CDP TLV "Version and Platform" is mapped to the LLDP "System Description" field. Both the CDP and LLDP support "system capabilities", but the CDP capabilities cover 99
  • LevelOne GTL-2880 | Manual - Page 108
    others" in the LLDP neighbors' table. If all ports have CDP awareness disabled the switch forwards CDP frames received from neighbor devices. If at least one port has CDP awareness enabled all CDP frames are terminated by the switch. NOTE: When CDP awareness on a port is disabled the CDP information
  • LevelOne GTL-2880 | Manual - Page 109
    LLDP neighbours: 1. Click LLDP Neighbours 2. Click Refresh for manual update web screen 3. Click Auto-refresh for auto-update web 3-8.2: The LLDP Neighbours information NOTE: If your network without any device supports LLDP then the table will show "No LLDP neighbour information found". Parameter
  • LevelOne GTL-2880 | Manual - Page 110
    -refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the LLDP Neighbours information by manual. 102
  • LevelOne GTL-2880 | Manual - Page 111
    LAN policies (such as VLAN, Layer 2 Priority and Differentiated services (Diffserv) settings) enabling plug and play networking. Device location discovery to configure the LLDP-MED. This function applies to VoIP devices which support LLDP-MED. Web Interface To configure LLDP-MED: 1. Click LLDP-MED
  • LevelOne GTL-2880 | Manual - Page 112
    start repeat count Rapid startup and Emergency Call Service Location Identification Discovery of endpoints is a a building, and represents ground level at the given latitude and longitude. Inside a building, 0.0 represents the floor level associated with ground level at the main entrance.  Map
  • LevelOne GTL-2880 | Manual - Page 113
    Civic Address Location IETF Geopriv Civic Address based Location Configuration Information (Civic Address LCI).  Country code : The two-letter ISO 3166 country code in capital ASCII letters - Example: DK, DE or US.  State : National subdivisions (state, canton, region, province, prefecture). 
  • LevelOne GTL-2880 | Manual - Page 114
    real-time' network policy requirements, such as interactive voice and/or video services. The network policy attributes advertised are: 1. Layer 2 VLAN ID ( advertised and associated with multiple sets of application types supported on a given port. The application types specifically addressed
  • LevelOne GTL-2880 | Manual - Page 115
    IP Telephony handsets and other similar appliances supporting interactive voice services. These devices are typically deployed on a priority to be used for the specified application type. L2 Priority may specify one of eight priority levels (0 through 7), as defined by IEEE 802.1D-2004. A value of
  • LevelOne GTL-2880 | Manual - Page 116
    Click to add a new policy. Specify the Application type, Tag, VLAN ID, L2 Priority and DSCP for the new policy. Click "Save".  Port Policies Configuration : Every port may advertise a unique set of network policies or different attributes for the same network policies, based on the authenticated
  • LevelOne GTL-2880 | Manual - Page 117
    LLDP-MED Neighbor 2. Click Refresh for manual update web screen 3.Click Auto-refresh for IEEE 802.11 Wireless Access Point 5. Any device that supports the IEEE 802.1AB and MED extensions defined by network edge, and participate in IP communication service using the LLDP-MED framework. Within the
  • LevelOne GTL-2880 | Manual - Page 118
    (Class I) : The LLDP-MED Generic Endpoint (Class I) definition is applicable to all endpoint products that require the base LLDP discovery services defined in TIA-1057, however do not support IP media or act as an end-user communication appliance. Such devices may include (but are not limited to) IP
  • LevelOne GTL-2880 | Manual - Page 119
    video content distribution and other similar applications supporting streaming video services that require specific network policy treatment. Video the Layer 2 priority to be used for the specified application type.One of the eight priority levels (0 through 7).  DSCP : DSCP is the DSCP value to
  • LevelOne GTL-2880 | Manual - Page 120
    LLDP, than click EEE to show discover EEE devices 2. Click Refresh for manual update web screen 3. Click Auto-refresh for auto-update web screen Figure . Since a receiving link partner is likely to have discrete levels for savings, this provides the transmitter with additional information that
  • LevelOne GTL-2880 | Manual - Page 121
    -refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the LLDP Neighbors information by manual. 113
  • LevelOne GTL-2880 | Manual - Page 122
    currently selected switch Web Interface To show LLDP Statistics: 1. Click LLDP, than click Port Statistics to show LLDP counters 2. Click Refresh for manual update web screen 3. Click Auto-refresh for auto-update web screen 4. Click Clear to clear all counters Figure 3-8.6: The LLDP Port Statistics
  • LevelOne GTL-2880 | Manual - Page 123
    then the device will refresh the information automatically.  Upper right icon (Refresh, Clear): You can click them for refresh the LLDP Port Statistics information by manual. Or press clear to clean up the entries. 115
  • LevelOne GTL-2880 | Manual - Page 124
    3- 9 Filtering Data Base Filtering Data Base Configuration gathers many functions, including MAC Table Information, Static MAC Learning, which cannot be categorized to some function type. MAC table Switching of frames is based upon the DMAC address contained in the frame. The switch builds up a
  • LevelOne GTL-2880 | Manual - Page 125
    Parameter description:  Aging Configuration : By default, dynamic entries are removed from the MAC table after 300 seconds. This removal is also called aging. Configure aging time by entering a value here in seconds; for example, Age time seconds. The allowed range is 10 to 1000000 seconds. Disable
  • LevelOne GTL-2880 | Manual - Page 126
    icon then the device will refresh the information automatically.  Upper right icon (Refresh, Clear, ): You can click them for refresh the MAC address entries by manual.or press clear to clean up the MAC table. Others press > to upper or down page of the table. NOTE: 00-40-C7-73
  • LevelOne GTL-2880 | Manual - Page 127
    switch from a workstation connected to a port in the VLAN. This connection supports a VSM, SNMP, and Telnet session. By default, the active management designate any VLAN as the management VLAN using the Management VLAN window. Only one management VLAN can be active at a time. When you specify a new
  • LevelOne GTL-2880 | Manual - Page 128
    undo any changes made locally and revert to previously saved values.  Upper right icon (Refresh, |): You can click them for refresh the VLAN entries by manual. Or press clear to clean up the VLAN table. Others press |> to upper or down page of the table. 120
  • LevelOne GTL-2880 | Manual - Page 129
    . This is a global setting for all the Custom S-ports. Custom Ethertype enables the user to change the Ethertype value on a port to any value to support network devices that do not use the standard 0x8100 Ethertype field value on 802.1Q-tagged or 802.1p-tagged frames.  Port : Show the port
  • LevelOne GTL-2880 | Manual - Page 130
    untagged frame obtain a tag (based on PVID) and is forwarded. when the port received tagged frames, if an tagged frame with TPID=0x8100, it obtains one more tag to become a double-tag frame, and is forwarded. when the port received tagged frames, if the TPID of tagged frame is not 0x8100
  • LevelOne GTL-2880 | Manual - Page 131
    untagged frames will be transmitted.  PVID : Configures the Port VLAN identifier. The allowed values are 1 through 4094. The default value is 1. When the port received a untagged frame, the port will give a tag to it based on the value of PVID, and the frame become tagged frame. NOTE: The port must
  • LevelOne GTL-2880 | Manual - Page 132
    (You can scroll to select one kind VLAN user as below:) VLAN User module uses services of the VLAN management functionality to configure VLAN memberships and VLAN port configurations such as PVID and UVID. Currently we support the by manual. 124
  • LevelOne GTL-2880 | Manual - Page 133
    If Port Type is Unaware, all frames are classified to the Port VLAN ID and tags are not removed. C-port is Customer Port. S-port is Service port. Custom S-port is S-port with Custom TPID.  Ingress Filtering : Shows the ingress filtering on a port. This parameter affects VLAN ingress processing. If
  • LevelOne GTL-2880 | Manual - Page 134
    icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the VLAN Port Status information by manual. 126
  • LevelOne GTL-2880 | Manual - Page 135
    to forward packets. By default, all ports are VLAN unaware and members of VLAN 1 and Private VLAN 1. A VLAN unaware port can only be a member of one VLAN, but it can be a member of multiple Private VLANs. Web Interface To configure Private VLAN configuration in the web interface: 1. Click add new
  • LevelOne GTL-2880 | Manual - Page 136
    3-10.5.2 Port Isolation Port Isolation provides for an apparatus and method to isolate ports on layer 2 switches on the same VLAN to restrict traffic flow. The apparatus comprises a switch having said plurality of ports, each port configured as a protected port or a non-protected port. An address
  • LevelOne GTL-2880 | Manual - Page 137
    3-10.6 MAC-based VLAN MAC address-based VLAN decides the VLAN for forwarding an untagged frame based on the source MAC address of the frame. A most common way of grouping VLAN members is by port, hence the name port-based VLAN. Typically, the device adds the same VLAN tag to untagged packets that
  • LevelOne GTL-2880 | Manual - Page 138
     MAC Address : Indicates the MAC address.  VLAN ID : Indicates the VLAN ID.  Port Members : A row of check boxes for each port is displayed for each MAC-based VLAN entry. To include a port in a MAC-based VLAN, check the box. To remove or exclude the port from the MACbased VLAN, make sure the box
  • LevelOne GTL-2880 | Manual - Page 139
    section shows MAC-based VLAN entries configured by various MAC-based VLAN users. Currently we support following VLAN User types: NAS : NAS provides port-based authentication, which involves communications You can click them for refresh the MAC-based VLAN Memebership information by manual. 131
  • LevelOne GTL-2880 | Manual - Page 140
    This section describe Protocol -based VLAN, The Switch support Protocol include Ethernet LLC SNAP Protocol, LLC The by the 8-bit 802.2 Service Access Point (SAP) fields. SNAP supports identifying protocols by Ethernet type field values; it also supports vendor-private protocol identifier spaces
  • LevelOne GTL-2880 | Manual - Page 141
    box. The entry will be deleted on the switch during the next Save.  Frame Type : Frame Type can have one of the following values: 1. Ethernet 2. LLC 3. SNAP NOTE: On changing the Frame type field, valid value of ): You can click them for refresh the Protocol Group Mapping information by manual. 133
  • LevelOne GTL-2880 | Manual - Page 142
    3-10.7.2 Group to VLAN This section allows you to map a already configured Group Name to a VLAN for the selected switch. Web Interface To Display Group Name to VLAN mapping table configured in the web interface: 1. Click Group Name VLAN configuration and add new entry. 2. Specify the Group Name and
  • LevelOne GTL-2880 | Manual - Page 143
     Auto-refresh : To evoke the auto-refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the Protocol Group Mapping information by manual. 135
  • LevelOne GTL-2880 | Manual - Page 144
    on the Voice VLAN, then the switch can classify and schedule network traffic. It is recommended that there be two VLANs on a port - one for voice, one for data. Before connecting the IP device to the switch, the IP phone should configure the voice VLAN ID correctly. It should be configured through
  • LevelOne GTL-2880 | Manual - Page 145
    Parameter description:  Mode : Indicates the Voice VLAN mode operation. We must disable MSTP feature before we enable Voice VLAN. It can avoid the conflict of ingress filtering. Possible modes are: Enabled: Enable Voice VLAN mode operation. Disabled: Disable Voice VLAN mode operation.  VLAN ID :
  • LevelOne GTL-2880 | Manual - Page 146
    3-11.2 OUI The section describes to Configure VOICE VLAN OUI table . The maximum entry number is 16. Modifying the OUI table will restart auto detection of OUI process. Web Interface To configure Voice VLAN OUI Table in the web interface: 1. Select "Add new entry" ,"Delete" in the Voice VLAN OUI
  • LevelOne GTL-2880 | Manual - Page 147
    is carried out by the GARP Information Propagation (GIP) component. Protocol exchanges take place between GARP participants by means of LLC Type 1 services, using the group MAC address and PDU format defined for the GARP application concerned. 3-12.1 Configuration This page allows you to configure
  • LevelOne GTL-2880 | Manual - Page 148
    600ms. Leave All Timer : The default value for Leave All Timer is 10000ms  Application : Currently only supported application is GVRP.  Attribute Type : Currently only supported Attribute Type is VLAN.  GARP Applicant This configuration is used to configure the Applicant state machine behaviour
  • LevelOne GTL-2880 | Manual - Page 149
    icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the GARP Port Statistics information by manual. 141
  • LevelOne GTL-2880 | Manual - Page 150
    to automatically and dynamically maintain the group membership information of the VLANs. The GVRP offers the function providing the VLAN registration service through a GARP application. It makes use of GARP Information Declaration (GID) to maintain the ports associated with their attribute database
  • LevelOne GTL-2880 | Manual - Page 151
    the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the GVRP Global configuration information by manual.  Buttons: Save - Click to save changes. Reset- Click to undo any changes made locally and revert to previously saved values. 143
  • LevelOne GTL-2880 | Manual - Page 152
    icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the GVRP Port Ststistics information by manual. 144
  • LevelOne GTL-2880 | Manual - Page 153
    was configured for that specific QoS class. The switch support advanced memory control mechanisms providing excellent performance of all QoS 1. Click Configuration, QoS, Port Classification 2. Scroll to select QoS class, DP Level, PCP and DEI parameters 3. Click the save to save the setting 4. If
  • LevelOne GTL-2880 | Manual - Page 154
    QoS class for frames not classified in any other way. There is a one to one mapping between QoS class, queue and priority. A QoS class of 0 (zero) has the lowest priority.  DP level : Controls the default DP level, i.e., the DP level for frames not classified in any other way.  PCP : Controls the
  • LevelOne GTL-2880 | Manual - Page 155
    3-14.2 Port Policing This section provides an overview of f QoS Ingress Port Policers for all switch ports The Port Policing is useful in constraining traffic flows and marking frames above specific rates. Policing is primarily useful for data flows and voice or video flows because voice and video
  • LevelOne GTL-2880 | Manual - Page 156
    values. 148
  • LevelOne GTL-2880 | Manual - Page 157
    3-14.3 Port Scheduler This section provides an overview of QoS Egress Port Schedulers for all switch ports. and the ports belong to the currently selected unit, as reflected by the page header. Web Interface To display the QoS Port Schedulers in the web interface: 1. Click Configuration, QoS, Port
  • LevelOne GTL-2880 | Manual - Page 158
    If you select the scheduler mode with wighted then the screen will change as the figure. Parameter description:  Port : The logical port for the settings contained in the same row. Click on the port number in order to configure the schedulers.  Mode : Shows the scheduling mode for this port. 
  • LevelOne GTL-2880 | Manual - Page 159
    Shows the weight in percent for this queue. This parameter is only shown if "Scheduler Mode" is set to "Weighted"  Port Shaper Enable : Controls whether the port shaper is enabled for this switch port.  Port Shaper Rate : Controls the rate for the port shaper. The default value is ?. This value is
  • LevelOne GTL-2880 | Manual - Page 160
    3-14.4 Port Shaping This section provides an overview of QoS Egress Port Shaping for all switch ports. Others the user could get all detail information ot the ports belong to the currently selected unit, as reflected by the page header. Web Interface To display the QoS Port Shapers in the web
  • LevelOne GTL-2880 | Manual - Page 161
    If you select the scheduler mode with wighted then the screen will change as the figure. Parameter description:  Port : The logical port for the settings contained in the same row. Click on the port number in order to configure the shapers.  Shapers (Qn) : Shows "disabled" or actual queue shaper
  • LevelOne GTL-2880 | Manual - Page 162
    Controls the weight for this queue. The default value is "17". This value is restricted to 1-100. This parameter is only shown if "Scheduler Mode" is set to "Weighted".  Queue Scheduler Percent : Shows the weight in percent for this queue. This parameter is only shown if "Scheduler Mode" is set to
  • LevelOne GTL-2880 | Manual - Page 163
    for this port. Classified: Use classified PCP/DEI values. Default: Use default PCP/DEI values. Mapped: Use mapped versions of QoS class and DP level.  Tag Remarking Mode : To scroll to select the tag remarking mode for this port. Classified: Use classified PCP/DEI values. Default: Use default PCP
  • LevelOne GTL-2880 | Manual - Page 164
    Save - Click to save changes. Reset- Click to undo any changes made locally and revert to previously saved values. Cancel - Click to cancel the changes. 156
  • LevelOne GTL-2880 | Manual - Page 165
    3-14.6 Port DSCP The section will teach user to set the QoS Port DSCP configuration that was allowed you to configure the basic QoS Port DSCP Configuration settings for all switch ports. Others the settings relate to the currently selected unit, as reflected by the page header. Web Interface To
  • LevelOne GTL-2880 | Manual - Page 166
    is enabled as specified in DSCP Translation window for the specific DSCP.  All: Classify all DSCP.  Egress : Port Egress Rewriting can be one of below parameters  Disable: No Egress rewrite.  Enable: Rewrite enable without remapped.  Remap: DSCP from analyzer is remapped and frame is remarked
  • LevelOne GTL-2880 | Manual - Page 167
    3-14.7 DSCP-Based QoS The section will teach user to configure the DSCP-Based QoS mode that This page allows you to configure the basic QoS DSCP based QoS Ingress Classification settings for all switches. Web Interface To configure the DSCP -Based QoS Ingress Classification parameters in the web
  • LevelOne GTL-2880 | Manual - Page 168
    Parameter description:  DSCP : Maximum number of support ed DSCP values are 64.  Trust : Click to check if the DSCP value is trusted.  QoS Class : QoS Class value can be any of (0-7)  DPL : Drop Precedence Level (0-3)  Buttons: Save - Click to save changes. Reset- Click to undo any changes made
  • LevelOne GTL-2880 | Manual - Page 169
    3-14.8 DSCP Translation The section describes the swtich allows you to configure the basic QoS DSCP Translation settings for all switches. DSCP translation can be done in Ingress or Egress. Web Interface To configure the DSCP Translation parameters in the web interface: 1. Click Configuration, QoS,
  • LevelOne GTL-2880 | Manual - Page 170
    Parameter description:  DSCP : Maximum number of supported DSCP values are 64 and valid DSCP value ranges from 0 to 63.  Ingress : Ingress side DSCP can be first translated to new DSCP before using
  • LevelOne GTL-2880 | Manual - Page 171
    description:  QoS Class : Available QoS Class value ranges from 0 to 7. QoS Class (0-7) can be mapped to followed parameters.  DPL : Drop Precedence Level (0-1) can be configured for all available QoS Classes.  DSCP : Select DSCP value (0-63) from DSCP menu to map DSCP to corresponding QoS Class
  • LevelOne GTL-2880 | Manual - Page 172
    3-14.10 QoS Control List Configuration The section shows the QoS Control List(QCL), which is made up of the QCEs. Each row describes a QCE that is defined. The maximum number of QCEs is 256 on each switch. Click on the lowest plus sign to add a new QCE to the list. Web Interface To configure the QoS
  • LevelOne GTL-2880 | Manual - Page 173
    and DSCP. Class: Classified QoS Class; if a frame matches the QCE it will be put in the queue. DPL: Drop Precedence Level; if a frame matches the QCE then DP level will set to value displayed under DPL column. DSCP: If a frame matches the QCE then DSCP will be classified with the value
  • LevelOne GTL-2880 | Manual - Page 174
    value is 'Any'. 3. LLC: SSAP Address Valid SSAP(Source Service Access Point) can vary from 0x00 to 0xFF or 'Any', the default value : Class QoS Class: "class (0-7)", default- basic classification DP Valid DP Level can be (0-3)", default- basic classification DSCP Valid dscp value can be (0-63
  • LevelOne GTL-2880 | Manual - Page 175
    and DSCP. Class: Classified QoS Class; if a frame matches the QCE it will be put in the queue. DPL: Drop Precedence Level; if a frame matches the QCE then DP level will set to value displayed under DPL column. DSCP: If a frame matches the QCE then DSCP will be classified with the value
  • LevelOne GTL-2880 | Manual - Page 176
    information automatically.  Resolve Conflict : Click it to resolve the confict issue.  Upper right icon (Refresh): You can click them for refresh the QCL information by manual. 168
  • LevelOne GTL-2880 | Manual - Page 177
    3-14.12 Storm Control The section allows user to configure the Storm control for the switch. There is a unicast storm rate control, multicast storm rate control, and a broadcast storm rate control. These only affect flooded frames, i.e. frames with a (VLAN ID, DMAC) pair not present on the MAC
  • LevelOne GTL-2880 | Manual - Page 178
    to enable or disable the WRED function on the switch QoS Queue.  Min. Threshold : Controls the lower RED threshold. If the average queue filling level is below this threshold, the drop probability is zero. This value is restricted to 0-100.  Max. DP1 : Controls the drop probability for frames
  • LevelOne GTL-2880 | Manual - Page 179
    parameters. Max. DP 1-3 is the drop probability when the average queue filling level is 100%. Frames marked with Drop Precedence Level 0 are never dropped. Min. Threshold is the average queue filling level where the queues randomly start dropping frames. The drop probability for frames marked with
  • LevelOne GTL-2880 | Manual - Page 180
    : The "Receiver ID" input fields allow the user to select the receiver ID. Indicates the ID of this particular sFlow Receiver. Currently one ID is supported as one collector is supported.  IP Type : A drop down list to select the type of IP of Collector is displayed. By default, IPv4 is the type of
  • LevelOne GTL-2880 | Manual - Page 181
    The value accepted is within the range of 1-65535. But an appropriate port number not used by other protocols need to be configured. By default, the port's number is 6343  Time out : It is the duration during which the collector receives samples, once it is expired the sampler stops sending the
  • LevelOne GTL-2880 | Manual - Page 182
    3-15.2 Sampler The section display the sFlow sampler what you set or you can edit it for your requirement. That will help user based on a defined sampling rate, an average of 1 out of N packets/operations is randomly sampled. This type of sampling does not provide a 100% accurate result, but it does
  • LevelOne GTL-2880 | Manual - Page 183
    type on the port and could be any of the types: None, Rx, Tx or All. You can scroll to choice one for your sampler type. By default, The value is "None".  Sampling Rate : Configured sampling rate on the ports.  (Refresh): You can click them for refresh the sFlow Sampler information by manual. 175
  • LevelOne GTL-2880 | Manual - Page 184
    Access Point and IP Camera...etc. Others you can leverage configuration to run a converged voice, video, and data network considering quality of service (QoS), bandwidth, latency, and high performance. Web Interface To configure the Easy Port in the web interface: 1. Click Configuration, Easy Port
  • LevelOne GTL-2880 | Manual - Page 185
    To scroll to enable or disable the Port Security function on the Port. If you turn on the function then you need to set Port Security limit to allow how many device can access the port (via MAC address).  Port Security Action : To scroll to select when the device wasn't allow to access then switch
  • LevelOne GTL-2880 | Manual - Page 186
    3-17. Mirroring You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. Mirror Configuration is to monitor the traffic
  • LevelOne GTL-2880 | Manual - Page 187
    Mirror Port Configuration The following table is used for Rx and Tx enabling.  Port : The logical port for the settings contained in the same row.  Mode : Select mirror mode. Rx only Frames received on this port are mirrored on the mirror port. Frames transmitted are not mirrored. Tx only Frames
  • LevelOne GTL-2880 | Manual - Page 188
    the Trap Event Severity Configuration in the web interface: 1. Click Configuration, Trap Event Severity Configuration 2. Scroll to select the Group name and Severity Level 3. Click the save to save the setting 4. If you want to cancel the setting then you need to click the Reset button. It will
  • LevelOne GTL-2880 | Manual - Page 189
    the alarm mail. Web Interface To configure the SMTP Configuration in the web interface: 1. Click Configuration, SMTP Configuration 2. Scroll to select the Severity Level 3. Specify the parameters in each blank field. 4. Click the save to save the setting 5. If you want to cancel the setting then you
  • LevelOne GTL-2880 | Manual - Page 190
    standard it is recommended that such refreshing of advertisements to be done at less than one-half of the advertising duration. In the implementation, the switch sends SSDP messages periodically at the interval one-half of the advertising duration minus 30 seconds. Valid values are in the range 100
  • LevelOne GTL-2880 | Manual - Page 191
    3-21 Loop Protection The loop detection is used to detect the presence of traffic. When switch receives packet's (looping detection frame) MAC address the same as oneself from port, show Loop Protection happens. The port will be locked when it received the looping detection frames. If you want to
  • LevelOne GTL-2880 | Manual - Page 192
    Parameter description:  Enable Loop Protection: Controls whether loop protections is enabled (as a whole).  Transmission Time: The interval between each loop protection PDU sent on each port. valid values are 1 to 10 seconds.  Shutdown Time: 184
  • LevelOne GTL-2880 | Manual - Page 193
    The period (in seconds) for which a port will be kept disabled in the event of a loop is detected (and the port action shuts down the port). Valid values are 0 to 604800 seconds (7 days). A value of zero will keep a port disabled (until next device restart).  Port No: The switch port number of the
  • LevelOne GTL-2880 | Manual - Page 194
    Parameter description:  Port: The switch port number of the logical port.  Action: The currently configured port action.  Transmit: The currently configured port transmit mode.  Loops: The number of loops detected on this port.  Status: The current loop protection status of the port.  Loop:
  • LevelOne GTL-2880 | Manual - Page 195
    Chapter 4. Security This chapter describes all of the switch security configuration tasks to enhance the security of local network including IP Source Guard, ARP Inspection,DHCP Snooping, AAA, and etc.. 4-1 IP Source Guard The section describes to configure the IP Source Guard detail parameters of
  • LevelOne GTL-2880 | Manual - Page 196
    Parameter description:  Mode of IP Source Guard Configuration : Enable the Global IP Source Guard or disable the Global IP Source Guard. All configured ACEs will be lost when the mode is enabled.  Port Mode Configuration : Specify IP Source Guard is enabled on which ports. Only when both Global
  • LevelOne GTL-2880 | Manual - Page 197
    4-1.2 Static Table The section describes to configure the Static IP Source Guard Table parameters of the switch. You could use the Static IP Source Guard Table configure to manage the entries. Web Interface To configure a Static IP Source Guard Table Configuration in the web interface: 1. Click "Add
  • LevelOne GTL-2880 | Manual - Page 198
    then the device will refresh the information automatically.  Upper right icon (Refresh, ): You can click them for refresh the Dynamic IP Source Guard Table by manual, others for next/up page or entry. 190
  • LevelOne GTL-2880 | Manual - Page 199
    4-2 ARP Inspection The section describes to configure the ARP Inspection parameters of the switch. You could use the ARP Inspection configure to manage the ARP table. 4-2.1 Configuration This section describes how to configure ARP Inspection setting including: Mode (Enabled and Disabled) Port (
  • LevelOne GTL-2880 | Manual - Page 200
    4-2.2 Static Table The section describes to configure the Static ARP Inspection Table parameters of the switch. You could use the Static ARP Inspection Table configure to manage the ARP entries. Web Interface To configure a Static ARP Inspection Table Configuration in the web interface: 1. Click "
  • LevelOne GTL-2880 | Manual - Page 201
    icon then the device will refresh the information automatically.  Upper right icon (Refresh, ): You can click them for refresh the Dynamic ARP Inspection Table by manual, others for next/up page or entry 193
  • LevelOne GTL-2880 | Manual - Page 202
    4-3 DHCP Snooping The section describes to configure the DHCP Snooping parameters of the switch. The DHCP Snooping can prevent attackers from adding their own DHCP servers to the network. 4-3.1 Configuration This section describes how to configure DHCP Snooping setting including: Snooping Mode (
  • LevelOne GTL-2880 | Manual - Page 203
    4-3.2 Statistics The section describes to show the DHCP Snooping Statistics information of the switch. The statistics show only packet counters when DHCP snooping mode is enabled and relay mode is disabled. And it doesn't count the DHCP packets for DHCP client. Web Interface To configure a DHCP
  • LevelOne GTL-2880 | Manual - Page 204
    then the device will refresh the information automatically.  Upper right icon (Refresh, Clear ): You can click them for refresh the DHCP Snooping Port Statistics by manual, others for clear to clean up the entries. 196
  • LevelOne GTL-2880 | Manual - Page 205
    4-4 DHCP Relay The section describes how to forward DHCP requests to another specific DHCP servers via DHCP relay. The DHCP servers may be on another network. 4-4.1 Configuration This section describes how to configure DHCP Relay setting including: Relay Mode (Enabled and Disabled) Relay Server IP
  • LevelOne GTL-2880 | Manual - Page 206
    Disabled: Disable DHCP relay information mode operation.  Relay Information Policy : Indicates the DHCP relay information option policy. When DHCP relay information mode operation is enabled, if agent receives a DHCP message that already contains relay agent information it will enforce the policy.
  • LevelOne GTL-2880 | Manual - Page 207
    4-4.2 Statistics The section describes to show the DHCP Relay Statistics information of the switch. The statistics show both of Server and Client packet counters when DHCP Relay mode is enabled. Web Interface To configure a DHCP Snooping Statistics Configuration in the web interface: 1. Checked "
  • LevelOne GTL-2880 | Manual - Page 208
    icon then the device will refresh the information automatically.  Upper right icon (Refresh, Clear ): You can click them for refresh the DHCP Relay Statistics by manual, others for clear to clean up the entries. 200
  • LevelOne GTL-2880 | Manual - Page 209
    4-5 NAS The section describes to configure the NAS parameters of the switch. The NAS server can be employed to connect users to a variety of resources including Internet access, conference calls, printing documents on shared printers, or by simply logging on to the Internet. 4-5.1 Configuration This
  • LevelOne GTL-2880 | Manual - Page 210
    Indicates if NAS is globally enabled or disabled on the switch. If globally disabled, all ports are allowed forwarding of frames.  Reauthentication Enabled : If checked, successfully authenticated supplicants/clients are reauthenticated after the interval specified by the Reauthentication Period.
  • LevelOne GTL-2880 | Manual - Page 211
    if the Guest VLAN option is globally enabled.  Port Configuration : The table has one row for each port on the selected switch and a number of columns, which are: The  Force Authorized : In this mode, the switch will send one EAPOL Success frame when the port link comes up, and any client
  • LevelOne GTL-2880 | Manual - Page 212
    the first one considered. If that supplicant doesn't provide valid credentials within a certain amount of time, another supplicant will get a chance. Once a supplicant is successfully authenticated, only that supplicant will be allowed access. This is the most secure of all the supported modes. In
  • LevelOne GTL-2880 | Manual - Page 213
    but a variant that features many of the same characteristics. In Multi 802.1X, one or more supplicants can get authenticated on the same port at the same time. user can be used by anyone. Also, only the MD5Challenge method is supported. The maximum number of clients that can be attached to a port can
  • LevelOne GTL-2880 | Manual - Page 214
    without affecting the RADIUS-assigned). This option is only available for single-client modes, i.e. • Port-based 802.1X • Single 802.1X For trouble-shooting VLAN assignments, use the "Monitor→VLANs→VLAN Membership and VLAN Port" pages. These pages show which modules have (temporarily) overridden the
  • LevelOne GTL-2880 | Manual - Page 215
    the Guest VLAN. While in the Guest VLAN, the switch monitors the link for EAPOL frames, and if one such frame is received, the switch immediately takes the port out of the Guest VLAN and starts authenticating right icon (Refresh): You can click them for refresh the NAS Configuration by manual. 207
  • LevelOne GTL-2880 | Manual - Page 216
    4-5.2 Switch Status The section describes to show the each port NAS status information of the switch.The status includes Admin State Port State, Last Source, Last ID, QoS Class, and Port VLAN ID. Web Interface To configure a NAS Switch Status Configuration in the web interface: 1. Checked "Auto-
  • LevelOne GTL-2880 | Manual - Page 217
    about Guest VLANs here.  Auto-refresh : To evoke the auto-refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh): You can click them for refresh the NAS Switch Status by manual. 209
  • LevelOne GTL-2880 | Manual - Page 218
    4-5.3 Port Status The section describes to provides detailed NAS statistics for a specific switch port running EAPOL-based IEEE 802.1X authentication. Web Interface To configure a NAS Port Status Configuration in the web interface: 1. Specify Port which want to check. 2. Checked "Auto-reflash".
  • LevelOne GTL-2880 | Manual - Page 219
    .1X • Single 802.1X • Multi 802.1X • MAC-based Auth. Selected Counters  Selected Counters : The Selected Counters table is visible when the port is in one of the following administrative states: • Multi 802.1X • MAC-based Auth. The table is identical to and is placed next to the Port Counters table
  • LevelOne GTL-2880 | Manual - Page 220
    -refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh, Clear): You can click them for refresh the NAS Statistics by manual. Others you can click clear to clean up all entries. 212
  • LevelOne GTL-2880 | Manual - Page 221
    4-6 AAA This section shows you to use an AAA (Authentication, Authorization, Accounting) server to provide access control to your network. The AAA server can be a TACACS+ or RADIUS server to create and manage objects that contain settings for using AAA servers. 4-6.1 Configuration This section
  • LevelOne GTL-2880 | Manual - Page 222
    that it has already determined as dead. Setting the Dead Time to a value greater than 0 (zero) will enable this feature, but only if more than one server has been configured. 214
  • LevelOne GTL-2880 | Manual - Page 223
    secret - up to 29 characters long - shared between the RADIUS Authentication Server and the switch. RADIUS Accounting Server Configuration The table has one row for each RADIUS Accounting Server and a number of columns, which are:  #: The RADIUS Accounting Server number for which the configuration
  • LevelOne GTL-2880 | Manual - Page 224
     Secret : The secret - up to 29 characters long - shared between the TACACS+ Authentication Server and the switch.  Buttons: Save - Click to save changes. Reset- Click to undo any changes made locally and revert to previously saved values. 216
  • LevelOne GTL-2880 | Manual - Page 225
    this server.  State : The current state of the server. This field takes one of the following values: Disabled: The server is disabled. Not Ready: The server.  State : The current state of the server. This field takes one of the following values: Disabled: The server is disabled. Not Ready: The
  • LevelOne GTL-2880 | Manual - Page 226
    the dead-time expires. The number of seconds left before this occurs is displayed in parentheses. This state is only reachable when more than one server is enabled.  Auto-refresh : To evoke the auto-refresh icon then the device will refresh the information automatically.  Upper right icon (Refresh
  • LevelOne GTL-2880 | Manual - Page 227
    icon then the device will refresh the information automatically.  Upper right icon (Refresh, Clear): You can click them for refresh the RADIUS Statistics information by manual. Others you can click the clear to clean up all entries. 219
  • LevelOne GTL-2880 | Manual - Page 228
    4-7 Port Security This section shows you to to configure the Port Security settings of the Switch. You can use the Port Security feature to restrict input to an interface by limiting and identifying MAC addresses. 4-7.1 Limit Control This section shows you to to configure the Port Security settings
  • LevelOne GTL-2880 | Manual - Page 229
    corresponding resources are freed on the switch. Port Configuration The table has one row for each port on the selected switch and a number of columns is seen on the port, send an SNMP trap. If Aging is disabled, only one SNMP trap will be sent, but with Aging enabled, new SNMP traps will be sent
  • LevelOne GTL-2880 | Manual - Page 230
    the port as seen from the Limit Control's point of view. The state takes one of four values: Disabled: Limit Control is either globally disabled or disabled on ): You can click them for refresh the Port Security information by manual.  Buttons: Save - Click to save changes. Reset- Click to undo
  • LevelOne GTL-2880 | Manual - Page 231
    description:  User Module Legend : The legend shows all user modules that may request Port Security services.  User Module Name : The full name of a module that may request Port Security services.  Abbr : A one-letter abbreviation of the user module. This is used in the Users column in the port
  • LevelOne GTL-2880 | Manual - Page 232
    of the port. It can take one of four values: Disabled: No user modules are currently using the Port Security service. Ready: The Port Security service is in use by at least one user module, and is awaiting frames can click them for refresh the Port Security Switch Status information by manual. 224
  • LevelOne GTL-2880 | Manual - Page 233
    the date and time when this MAC address was first seen on the port.  Age/Hold : If at least one user module has decided to block this MAC address, it will stay in the blocked state until the hold time (measured You can click them for refresh the Port Security Port Status information by manual. 225
  • LevelOne GTL-2880 | Manual - Page 234
    section shows you how to configure access management table of the Switch. The maximum entry number is 16. If the application's type match any one of the access management entries, it will allow access to the switch. Web Interface To configure a Access Management Configuration in the web interface
  • LevelOne GTL-2880 | Manual - Page 235
    Indicates the end IP address for the access management entry.  HTTP/HTTPS : Indicates that the host can access the switch from HTTP/HTTPS interface if the host IP address matches the IP address range provided in the entry.  SNMP : Indicates that the host can access the switch from SNMP interface
  • LevelOne GTL-2880 | Manual - Page 236
    then the device will refresh the information automatically.  Upper right icon (Refresh, Clear): You can click them for refresh the Access Management Statistics information by manual. Others you can click the clear button to clean up all entries. 228
  • LevelOne GTL-2880 | Manual - Page 237
    4-9 SSH This section shows you to use SSH (Secure SHell) to securely access the Switch. SSH is a secure communication protocol that combines authentication and data encryption to provide secure encrypted communication. Web Interface To configure a SSH Configuration in the web interface: 1. Select "
  • LevelOne GTL-2880 | Manual - Page 238
    4-10 HTTPs This section shows you how to use HTTPS to securely access the Switch. HTTPS is a secure communication protocol that combines authentication and data encryption to provide secure encrypted communication via the browser. Web Interface To configure a HTTPS Configuration in the web interface
  • LevelOne GTL-2880 | Manual - Page 239
    configure a user with authenticated when he logs into the switch via one of the management client interfaces. Web Interface To configure a Authentication Method applies.  Authentication Method : Authentication Method can be set to one of the following values:  none : authentication is disabled and
  • LevelOne GTL-2880 | Manual - Page 240
    Chapter 5. Maintenance This chapter describes the entire switch Maintenance configuration tasks to enhance the performance of local network including Restart Device, Firmware upgrade, Save/Restore, Import/Export, and Diagnostics. 5-1 Restart Device This section describes how to restart switch for
  • LevelOne GTL-2880 | Manual - Page 241
    5-2 Firmware This section describes how to upgrade Firmware. The Switch can be enhanced with more value-added functions by installing firmware upgrades. 5-2.1 Firmware Upgrade This page facilitates an update of the firmware controlling the Switch. Web Interface To configure a Firmware Upgrade
  • LevelOne GTL-2880 | Manual - Page 242
    5-2.2 Firmware Selection Due to the switch supports Dual image for firmware redundancy purpose. You can select what firmware image for your device start firmware or operating firmware. This page provides information about
  • LevelOne GTL-2880 | Manual - Page 243
    Activate Alternate Image button is also disabled. 2. If the alternate image is active (due to a corruption of the primary image or by manual intervention), uploading a new firmware image to the device will automatically use the primary image slot and activate this. 3. The firmware version and date
  • LevelOne GTL-2880 | Manual - Page 244
    5-3 Save / Restore This section describes how to save and restore the Switch configuration including reset to Factory Defaults, Save Start, Save Users, Restore Users for any maintenance needs. 5-3.1 Factory Defaults This section describes how to reset the Switch configuration to Factory Defaults.
  • LevelOne GTL-2880 | Manual - Page 245
    Save - Click the "Save" button to save current setting as Start Configuration. 5-3.3 Save User This section describes how to save users information. Any current configuration files will be saved as XML format. Web Interface To configure a Save User Configuration in the web interface: 1. Chick Save
  • LevelOne GTL-2880 | Manual - Page 246
    5-4 Export / Import This section describes how to export and import the Switch configuration. Any current configuration files will be exported as XML format. 5-4.1 Export Config This section describes to export the Swith Configuration for maintenance needs. Any current configuration files will be
  • LevelOne GTL-2880 | Manual - Page 247
    5-4.2 Import Config This section describes to export the Swith Configuration for maintenance needs. Any current configuration files will be exported as XML format. Web Interface To configure an Import Config Configuration in the web interface: 1. Chick Browser to select the config file in you device
  • LevelOne GTL-2880 | Manual - Page 248
    basic system check includes ICMP Ping, ICMPv6, and VeriPHY Cable Diagnostics. 5-5.1 Ping This section allows you to issue ICMP PING packets to troubleshoot IPv6 connectivity issues. Web Interface To configure an ICMP PING Configuration in the web interface: 1.Specify ICMP PING IP Address. 2.Specify
  • LevelOne GTL-2880 | Manual - Page 249
    5-5.2 Ping6 This section allows you to issue ICMPv6 PING packets to troubleshoot IPv6 connectivity issues. Web Interface To configure an ICMPv6 PING Configuration in the web interface: 1.Specify ICMPv6 PING IP Address. 2.Specify ICMPv6 PING Size. 3.Click
  • LevelOne GTL-2880 | Manual - Page 250
    5-5.3 VeriPHY This section is used for running the VeriPHY Cable Diagnostics. Press to run the diagnostics. This will take approximately 5 seconds. If all ports are selected, this can take approximately 15 seconds. When completed, the page refreshes automatically, and you can view the cable
  • LevelOne GTL-2880 | Manual - Page 251
    with a list of hosts or servers permitted or denied to use the service. ACL can generally be configured to control inbound traffic, and in this context, they are similar to firewalls. There are 3 web-pages associated with the manual ACL configuration: AES APS ACL|Access Control List: The web page
  • LevelOne GTL-2880 | Manual - Page 252
    ARP ARP is an acronym for Address Resolution Protocol. It is a protocol that used to convert an IP address into a physical address, such as an Ethernet address. ARP allows a host to communicate with other hosts when only the Internet address of its neighbors is known. Before using IP, the host sends
  • LevelOne GTL-2880 | Manual - Page 253
    be added to a network without the hassle of manually assigning it a unique IP address. DHCP Relay DHCP z, and w are decimal numbers between 0 and 255. DSCP DSCP is an acronym for Differentiated Services Code Point. It is a field in the header of IP packets for packet classification purposes. E
  • LevelOne GTL-2880 | Manual - Page 254
    . It is a transfer protocol that uses the Transmission Control Protocol (TCP) and provides file writing and reading. It also provides directory service and security features. Fast Leave Multicast snooping Fast Leave processing allows the switch to remove an interface from the forwarding-table entry
  • LevelOne GTL-2880 | Manual - Page 255
    video and gaming, and allows more efficient use of resources when supporting these uses. IGMP Querier A router sends IGMP Query messages onto untrusted ports by filtering traffic based on the DHCP Snooping Table or manually configured IP Source Bindings. It helps prevent IP spoofing attacks when a
  • LevelOne GTL-2880 | Manual - Page 256
    for several network protocols (IP, IPX) to coexist within a multipoint network. LLC header consists of 1 byte DSAP (Destination Service Access Point), 1 byte SSAP (Source Service Access Point), 1 or 2 bytes Control field followed by LLC information. LLDP LLDP is an IEEE 802.1ab standard protocol
  • LevelOne GTL-2880 | Manual - Page 257
    Message-Digest Algorithm. Mirroring For debugging network problems or monitoring network traffic, the switch Area Network (LAN), and it is not supported on a Wide Area Network (WAN). The host name, provides the session and transport services described in the Open Systems Interconnection (OSI
  • LevelOne GTL-2880 | Manual - Page 258
    of a MAC address. P PCP PCP is an acronym for Priority Code Point. It is a 3-bit field storing the priority level for the 802.1Q frame. It is also known as User Priority. PD PD is an acronym for Powered Device. In some period of time. POP can be thought of as a "store-and-forward" service. 250
  • LevelOne GTL-2880 | Manual - Page 259
    modern e-mail clients and servers support both. Private VLAN In a TOS, and Tag Priority. Frames can be classified by one of 4 different QoS classes: "Low", "Normal", " QoS QL In SyncE this is the Quality Level of a given clock source. This is and sometimes guaranteed services. Achieving the
  • LevelOne GTL-2880 | Manual - Page 260
    Service Access Point (SAP) fields. SNAP supports identifying protocols by Ethernet type field values; it also supports management systems to learn network problems by receiving traps or change advertising their SSIDs, and can choose one to connect to based on preconfiguration, or by displaying
  • LevelOne GTL-2880 | Manual - Page 261
    one or more centralized servers. TACACS+ provides separate authentication, authorization and accounting services. Tag Priority Tag Priority is a 3-bit field storing the priority level on networked hosts can use TCP to create connections to one another. It is known as a connection-oriented protocol,
  • LevelOne GTL-2880 | Manual - Page 262
    Protocol (TFTP). User Priority User Priority is a 3-bit field storing the priority level for the 802.1Q frame. It is also known as PCP. V VLAN Virtual are VLAN unaware, members of one VLAN, and set up with this unique Port VLAN ID. Ports connected to the service provider are VLAN aware, members of
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i
GTL-2880
L2 Plus Managed Switch
24 GE with 4 Combo SFP + 4 10GE SFP Plus
User Manual
Ver. V1.1-130827