Cisco 850 Series, Configuration Manual, Page: 128 / 196

13-10
Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01
Chapter 13 Configuring Dial Backup and Remote Management
Configuring Dial Backup and Remote Management Through the Console or Auxiliary Port
Figure 13-1 shows the network configuration used for remote management access and for providing
backup to the primary WAN line.
Figure 13-1 Dial Backup and Remote Management Through the Auxiliary Port
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A 1
3
2
2
C
B
B C
2
ATM
PSTN
1
Cisco 850 or Cisco 870
series router
A
Main WAN link; primary connection to Internet service provider
2 Modem B Dial backup; serves as a failover link for Cisco 870 routers when
primary line goes down
3 PC C Remote management; serves as dial-in access to allow changes or
updates to Cisco IOS configurations
Configuration Tasks
Perform these steps to configure dial backup and remote management for these routers, beginning in
global configuration mode:
Command Purpose
Step 1 ip name-server server-address
Example:
Router(config)# ip name-server
192.168.28.12
Router(config)#
Enters your ISP DNS IP address.
Tip
You may add multiple server addresses if
available.
Step 2 ip dhcp pool name
Example:
Router(config)# ip dhcp pool 1
Router(config-dhcp)#
Creates a DHCP address pool on the router and
enters DHCP pool configuration mode. The
name
argument can be a string or an integer.
•
Configure the DHCP address pool. For
sample commands you can use in DHCP pool
configuration mode, see the
“Configuration
Example” section on page 13-13 .