D-Link DES-3225G Product Manual - Page 48

Con Port Mirroring, STP Port State

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24-port NWay Ethernet Switch User's Guide ♦ Flow Control Enables or disables IEEE 802.1x full-duplex (only) flow control on this port. See Flow Control in the Configure Ports section above for a more detailed explanation. ♦ Priority Selects Normal, High or Low. See Priority in the Configure Ports section above for a more detailed explanation. ♦ Port Lock When locked, automatic learning for all stations connected to this port will stop and entries in the Forwarding Table for all devices residing on this port will age out. The only traffic this port will allow is traffic from machines whose MAC address is manually entered in the Static Forwarding Table. ♦ Broadcast Storm Rising Action Selects an action - Do Nothing, Blocking, Blocking-Trap - for the port when the Broadcast Storm Rising Threshold (below) condition is met. See Broadcast Storm Rising Action in the Configure Ports section of this manual for a more detailed explanation. ♦ Broadcast Storm Rising Threshold This setting defines a ceiling for the number of broadcast packets per second on this port. See Broadcast Storm Rising Threshold in the Configure Ports section of this manual for a more detailed explanation. ♦ Broadcast Storm Falling Action This setting will be activated when the Broadcast Storm Rising Threshold and then the Broadcast Storm Falling Threshold (below) is met. This setting can be configured to Do Nothing, Forwarding or Forwarding-Trap. See Broadcast Storm Falling Action in the Configure Ports section of this manual for a more detailed explanation. ♦ Broadcast Storm Falling Threshold This setting defines the number of broadcast packets per second on this port which will trigger the Broadcast Storm Falling Action (above). See Broadcast Storm Falling Threshold in the Configure Ports section of this manual for a more detailed explanation. Press APPLY to have the changes take effect. STP Port State and Status reflect the current conditions of the port. They are read-only fields and cannot be changed. Configure Port Mirroring The Switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can attach a monitoring device to the mirrored port, such as a sniffer or an RMON probe, to view details about the packets passing through the first port. This is useful for network monitoring and troubleshooting purposes. Choose Configure Port Mirroring on the Configuration menu to access the following screen: Using the Console Interface 43

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24-port NWay Ethernet Switch User’s Guide
Using the Console Interface
43
♦
Flow Control
Enables or disables IEEE 802.1x full-duplex (only) flow control on this port. See
Flow Control
in
the
Configure Ports
section above for a more detailed explanation.
♦
Priority
Selects
Normal
,
High
or
Low
. See
Priority
in the
Configure Ports
section above for a more detailed
explanation.
♦
Port Lock
When
locked
, automatic learning for all stations connected to this port will stop and entries in the
Forwarding Table for all devices residing on this port will age out. The only traffic this port will allow is traffic from
machines whose MAC address is manually entered in the Static Forwarding Table.
♦
Broadcast Storm Rising Action
Selects an action –
Do Nothing, Blocking, Blocking-Trap
– for the port
when the Broadcast Storm Rising Threshold (below) condition is met. See
Broadcast Storm Rising Action
in the
Configure Ports
section of this manual for a more detailed explanation.
♦
Broadcast Storm
Rising Threshold
This setting defines a ceiling for the number of broadcast packets per
second on this port. See
Broadcast Storm Rising Threshold
in the
Configure Ports
section of this manual for a
more detailed explanation.
♦
Broadcast Storm
Falling Action
This setting will be activated when the
Broadcast Storm Rising
Threshold
and then the
Broadcast Storm Falling Threshold
(below) is met. This setting can be configured to
Do Nothing
,
Forwarding
or
Forwarding-Trap
. See
Broadcast Storm Falling Action
in the
Configure Ports
section of this manual for a more detailed explanation.
♦
Broadcast Storm
Falling Threshold
This setting defines the number of broadcast packets per second on this
port which will trigger the
Broadcast Storm Falling Action
(above). See
Broadcast Storm Falling Threshold
in the
Configure Ports
section of this manual for a more detailed explanation.
Press APPLY to have the changes take effect.
STP Port State
and
Status
reflect the current conditions of the port. They are read-only fields and cannot be changed.
Configure Port Mirroring
The Switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can
attach a monitoring device to the mirrored port, such as a sniffer or an RMON probe, to view details about the packets
passing through the first port. This is useful for network monitoring and troubleshooting purposes.
Choose
Configure Port Mirroring
on the
Configuration
menu to access the following screen: