Basic Internet Access Routing Configuration
The Cisco uBR924 cable access router can be configured to act as a router to preserve IP address
space and limit broadcasts that can impact the performance of the network. A sample configuration
file follows.
Note
command must be used. In addition, the bridge group 59 command must be removed from the
Ethernet and cable-modem interfaces.
interface cable-modem0
ip address 172.16.1.40 255.255.0.0
no ip directed-broadcast
no ip route-cache
cable-modem downstream saved channel 699000000 36
bridge-group 59
bridge-group 59 spanning-disabled
!
ip classless
no ip http server
!
line con 0
transport input none
line vty 0 4
login
!
end
To configure the Cisco uBR924 to act as a router, the no cable-modem compliant bridge
Current configuration:
!
version 12.0
service config
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname uBR924
!
!
clock timezone - 4
ip subnet-zero
!
!
!
voice-port 0
!
voice-port 1
!
!
interface Ethernet0
ip address 10.1.0.33 255.255.0.0
no ip directed-broadcast
!
Bridging and Routing Features for the Cisco uBR924 Cable Access Router 21
Basic Internet Access Routing Configuration