Cisco ubr924 Installation And Startup page 32

Reconfigure the Router (continued)
Reconfigure Bridging from Routing
To reconfigure the Cisco uBR924 to support bridging after it has been configured for routing, follow the
instructions below. After you have completed the procedure, enter the show startup-config command to verify
that bridging is enabled. Refer to the "Basic Internet Access Bridging Example" section for a sample.
Step Command
1
uBR924(config)#no ip routing
2
uBR924(config)#int e 0
3
uBR924(config-if)#no ip address
4
uBR924(config-if)#no ip route-cache
5
uBR924(config-if)#bridge-group
bridge-group
6
uBR924(config-if)#bridge-group
bridge-group spanning-disabled
uBR924(config-if)#exit
30
7
uBR924(config)#int c 0
8
uBR924(config-if)#no ip address
9
uBR924(config-if)#no keep alive
10
uBR924(config-if)#no ip route-cache
11
uBR924(config-if)#cable modem compliant
bridge
12
uBR924(config-if)#bridge-group
bridge-group
13
uBR924(config-if)#bridge-group
bridge-group spanning-disabled
14
uBR924(config-if)#exit
15
uBR924(config-line)#Ctrl-z
uBR924#copy running-config
startup-config
Purpose
Disable IP routing on the uBR924.
Enter interface configuration mode for Ethernet0.
Disable IP address on Ethernet0.
Disable high-speed switching caches for IP routing.
Assign the Ethernet0 interface to a bridge group. The
bridge group must be an integer between 1 and 63.
Disable spanning tree on the Ethernet interface.
Exit interface configuration mode for the Ethernet0
interface.
Enter interface configuration mode for the cable modem
interface.
Disable the IP address of the cable interface, if one has
been set.
Disable keepalives on the cable interface.
Disable high-speed switching caches for IP routing on the
cable interface.
Enable DOCSIS-compliant bridging.
Assign the cable modem interface to a bridge group. The
bridge group must be an integer from 1 to 63.
Disable spanning tree on the cable interface.
Exit interface configuration mode.
Return to privileged EXEC mode.
Save the configuration to nonvolatile RAM.