Cisco CISCO876-SEC-I-K9 Configuration Guide - Page 128

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 1 A ATM CB 2 2 B PSTN 3 C 2 82269 1 Cisco 850 or Cisco 870 A Main WAN link; primary connection to Internet service provider series router 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: Step 1 Command ip name-server server-address Example: Router(config)# ip name-server 192.168.28.12 Router(config)# Step 2 ip dhcp pool name Example: Router(config)# ip dhcp pool 1 Router(config-dhcp)# Purpose Enters your ISP DNS IP address. Tip You may add multiple server addresses if available. 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. 13-10 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide OL-5332-01