Cisco Router 800 Series Software Configuration Guide

 
7-11
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 7      Router Feature Configuration
Configuring Basic Parameters
For complete information on the ATM commands, refer to the 
Cisco IOS Release 12.0 documentation set. For more general information on 
ATM concepts, see Chapter 1, “Concepts.”
AAL5SNAP Encapsulation Configuration Example 
The following example shows the ATM interface configuration for AAL5SNAP 
encapsulation. 
You do not need to enter the commands marked “default.”...

 
Chapter 7      Router Feature Configuration
Configuring Basic Parameters
7-12
Cisco 800 Series Software Configuration Guide
78-5372-06
AAL5MUX PPP Encapsulation Configuration Example 
The following example shows an ATM interface configuration for an AAL5MUX 
PPP encapsulation. 
You do not need to enter the commands marked “default.” These commands 
appear automatically in the configuration file generated when you use the 
show running-config command.
!
interface ATM0
no ip directed-broadcast (default)...

 
7-13
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 7      Router Feature Configuration
Configuring Basic Parameters
Configuring Command-Line Access to the Router
Follow the steps below to configure parameters to control access to the router, 
beginning in global configuration mode.
For complete information on the command line commands, refer to the 
Cisco IOS Release 12.0 documentation set. 
Configuration Example
The following configuration shows the command-line access commands.
You...

 
Chapter 7      Router Feature Configuration
Configuring Bridging
7-14
Cisco 800 Series Software Configuration Guide
78-5372-06 login
transport input none (default)
stopbits 1 (default)
line vty 0 4
password secret
login
!
Configuring Bridging
Bridges are store-and-forward devices that use unique hardware addresses to filter 
traffic that would otherwise travel from one segment to another. You can 
configure the routers as pure bridges.
Follow the steps below to configure bridging, beginning in global...

 
7-15
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 7      Router Feature Configuration
Configuring Bridging
For complete information on the bridging commands, refer to the 
Cisco IOS Release 12.0 documentation set. For more general concepts on 
bridging, see Chapter 1, “Concepts.”
Configuration Example
The following configuration example uses bridging with AAL5SNAP 
encapsulation. You do not need to enter the commands marked “default.” These 
commands appear automatically in the...

 
Chapter 7      Router Feature Configuration
Configuring Bridging
7-16
Cisco 800 Series Software Configuration Guide
78-5372-06 bridge-group 1
!
interface ATM0
no ip address
no ip directed-broadcast (default)
pvc 8/35 
encapsulation aal5snap
!
bridge-group 1
!
ip classless (default)
!
bridge 1 protocol ieee
!
end
Verifying Your Configuration
To verify that you have properly configured bridging, enter the 
show spanning-tree command. You should see a verification output like the 
example shown below....

 
7-17
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 7      Router Feature Configuration
Configuring Static Routing
Designated root has priority 32768, address 1205.9356.0000
Designated bridge has priority 32768, address 1205.9356.0000
Designated port is 3, path cost 0
Timers:message age 0, forward delay 0, hold 0
BPDU:sent 0, received 0
Configuring Static Routing
Static routes are routing information that you manually configure into the router. 
If the network topology changes, the...

 
Chapter 7      Router Feature Configuration
Configuring Dynamic Routing
7-18
Cisco 800 Series Software Configuration Guide
78-5372-06 !
ip classless (default)
ip route 1.0.0.0 255.0.0.0 atm0 14.0.0.1 
no ip http server (default)
!
Verifying Your Configuration
To verify that you have properly configured static routing, enter the show ip 
route command and look for static routes signified by the “S.” 
You should see a verification output like the example shown below.
router#sh ip route
Codes:C -...

 
7-19
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 7      Router Feature Configuration
Configuring Dynamic Routing
Configuring RIP
Follow the steps below to configure RIP routing protocol on the router, beginning 
in global configuration mode.
For complete information on the dynamic routing commands, refer to the 
Cisco IOS Release 12.0 documentation set. For more general information on RIP, 
refer to Chapter 1, “Concepts.” 
Configuration Example
The following configuration shows RIP...

 
Chapter 7      Router Feature Configuration
Configuring IP EIGRP
7-20
Cisco 800 Series Software Configuration Guide
78-5372-06
Verifying Your Configuration
To verify that you have properly configured RIP, enter the show ip route 
command and look for RIP routes signified by “R.” You should see a verification 
output like the following example. 
router#sh ip route
Codes:C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - 
BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter...