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Enabling Management through the WAN Port, Management Control

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TDM-E400 / TDM-C400 ADSL2+ Ethernet Modem Router User's Manual Enabling Management through the WAN Port You can enable access to Web Configuration via the WAN port so that the ISP can perform configuration tasks. To enable WAN access, display the Management Control page by clicking Management Control in the Admin tab. Figure 70. Management Control Page The table on this page provides a check box to enable or disable HTTP (i.e., Web browser-based) access to the configuration program through the WAN port. In the Inactivity TimeOut text box, you can specify a length of time in minutes after which external access will be blocked, assuming that there is no access during that time. If you want your changes to be in effect the next time you log in, click . If you want the changes to be permanent, follow the instructions on page 46 to commit them. 164

Section	Page
Table of Contents	5
Using this Document	14
Notational conventions	14
Typographical conventions	14
Special messages	14
1 Getting to Know the TDM-400 / TDM-C400 Ethernet Modem Router	17
Features	17
System Requirements	17
Parts Check	18
Getting Support	18
2 Quick Start	19
Quick Start Part 1 — Connecting the Hardware	19
Step 1. Connect the ADSL cable and optional telephone.	20
Step 2. Connect the Ethernet cable.	20
Step 3. Install USB software and connect the USB cable. (For Ethernet/USB Combo model only)	20
Step 4. Attach the power connector.	21
Quick Start Part 2 — Configuring Your Computers	22
Before you begin	22
Windows® XP PCs	22
Windows 2000 PCs	23
Windows Me PCs	24
Windows 95, 98 PCs	25
Windows NT 4.0 workstations	26
Assigning static Internet information to your PCs	27
Connecting a computer to the USB port (For Ethernet/USB model only)	28
Quick Start Part 3 — Configuring the Ethernet Modem Router	33
Logging in to the Ethernet Quick Configuration Page	33
Default Router Settings	35
Testing Your Setup	37
3 Getting Started with the Web Configuration	38
Accessing the Web Configuration	38
Functional Layout	40
Commonly used buttons	40
The Home Page and System View Table	41
Modifying Basic System Information	43
Modifying the Date and Time or Configuring SNTP	43
Specifying the TDM-E400 / TDM-C400 Name and Network Domain Name	45
Committing Changes and Rebooting	46
Committing Changes	46
Rebooting the device using Web Configuration	47
4 Configuring the LAN and USB Interfaces	51
Connecting Your PCs via Ethernet and/or USB	51
Configuring the LAN (Ethernet) Interface	52
Configuring the USB Interface IP Address	55
5 Configuring WAN Interfaces	57
Configuring the ATM VC	58
Modifying ATM VCs	59
Adding ATM VCs	60
Configuring PPP Interfaces	61
Viewing Your Current PPP Configuration	61
Viewing PPP Interface Details	64
Adding a PPP Interface	66
Configuring EoA Interfaces	67
Adding EoA Interfaces	69
Configuring IPoA Interfaces	72
Adding IPoA Interfaces	74
6 Configuring the System Operating Modes	76
Overview of Bridges and Routers	76
How Bridges Work	76
How Routers Work	77
Overview of System Operating Modes	78
	78
Configuring Routable and Bridgeable Interfaces	79
Making Interfaces Routable (IP-Enabled)	79
Making Interfaces Bridgeable (Bridge-Enabled)	79
Enabling Bridging Mode	80
Common Scenarios	81
Scenario 1: Routed Connection to ISP	81
Scenario 2: Bridged Connection to ISP	82
Scenario 3: Routed and Bridged Connections to ISP	83
Configuring Special Bridging Features	84
Configuring WAN-to-WAN Bridging	84
Configuring Bridge/Router AutoSense (BRAS) Mode	85
Configuring ZIPB Mode	86
7 Viewing System IP Addresses and IP Performance Statistics	91
Viewing the Ethernet Modem Router ’s IP Addresses	91
Viewing IP Performance Statistics	92
8 Configuring Dynamic Host Configuration Protocol	93
Overview of DHCP	93
What is DHCP?	93
Why use DHCP?	93
Ethernet Modem Router DHCP modes	94
Configuring DHCP Server	95
Guidelines for creating DHCP server address pools	95
Adding DHCP Server Address Pools	96
Viewing, modifying, and deleting address pools	98
Excluding IP addresses from a pool	99
Viewing current DHCP address assignments	99
Configuring DHCP Relay	100
Setting the DHCP Mode	101
9 Configuring DNS Server Addresses	103
About DNS	103
Assigning DNS Addresses to PCs	103
Configuring DNS Relay	104
10 Configuring IP Routes	106
Overview of IP Routes	106
IP routing versus telephone switching	106
Hops and gateways	107
Using IP routes to define default gateways	107
Do I need to define IP routes?	107
Viewing the IP Routing Table	108
Adding IP Routes	110
11 Configuring the Routing Information Protocol	111
RIP Overview	111
When should you configure RIP?	111
Configuring the Ethernet Modem Router ’s Interfaces with RIP	112
Viewing RIP Statistics	114
12 Configuring Network Address Translation	117
Overview of NAT	117
Viewing NAT Global Settings and Statistics	119
Viewing NAT Rules and Rule Statistics	122
Viewing Current NAT Translations	123
Adding NAT Rules	125
The NAPT rule: Translating between private and public IP addresses	125
The RDR rule: Allowing external access to a LAN computer	127
The Basic rule: Performing 1:1 translations	130
The Filter rule: Configuring a Basic rule with additional criteria	131
The Bimap rule: Performing two-way translations	133
The Pass rule: Allowing specific addresses to pass through untranslated	134
13 Configuring Firewall Settings	135
Configuring Global Firewall Settings	135
Managing the Blacklist	138
14 Configuring Filters and Blocking Protocols	139
Configuring IP Filters	140
Viewing Your IP Filter Configuration	140
Configuring IP Filter Global Settings	141
Creating IP Filter Rules	142
IP filter rule examples	147
Viewing IP Filter Statistics	148
Managing Current IP Filter Sessions	148
Configuring Bridge Filters	150
Configuring Global Bridge Filter Settings	150
Adding Bridge Filter Rules	151
Bridge Filter Rule Example	155
Editing and Deleting Rules and Subrules	156
Viewing Rule Statistics	156
Blocking Protocols	157
15 Managing Access to the Configuration Program	161
Managing User Logins	161
Changing Login Passwords	163
Enabling Management through the WAN Port	164
Configuring SNMP	165
Creating Communities	165
Adding Hosts to Communities	166
Viewing Hosts	166
Viewing Global SNMP Statistics	166
16 Monitoring System Status and Performing Diagnostics	167
Viewing System Alarms	167
Viewing the Alarm Table	167
Viewing the System Log	168
Viewing DSL Information	169
Using Diagnostics	172
Running the Diagnostics Program	172
Using the Ping Utility	173
Using the Traceroute Utility	174
17 Upgrading the Software and Storing and Restoring the Configuration Data	177
Upgrading the Image	177
Upgrading Using an Image Stored Locally	177
Uploading an Image Stored Remotely	178
Storing and Restoring Configuration Settings	179
18 Modifying Port Settings	181
Overview of IP port numbers	181
Modifying the Ethernet Modem Router’s Port Numbers	181
19 Configuring Autodetect	183
How Autodetect Works	183
Autodetect Modes	183
Configuring Autodetect	184
IP Addresses	185
Structure of an IP address	185
Network classes	186