Reestablishing DOCSIS-Compliant Bridging
Configuring the Cisco uBR900 Series Cable Access Routers 43
interface cable-modem0
no ip address
no ip directed-broadcast
no ip route-cache
no keepalive
cable-modem downstream saved channel 699000000 36
bridge-group 59
bridge-group 59 spanning-disabled
!
ip classless
!
line con 0
line vty 0 4
login
!
end
Reestablishing DOCSIS-Compliant Bridging
To erase the current non-default cable access router configuration and return the unit to its factory
default DOCSIS-compliant bridging configuration, perform the following task from privileged
EXEC mode:
After entering this command, perform a warm reset of the Cisco uBR900 series cable access router
by pressing and holding down the Reset button for less than 10 seconds. For information on the
location and operation of the Reset button, refer to the “Physical Description” section in the chapter
“Installing the Cisco uBR924 Cable Access Router” in the Cisco uBR924 Cable Access Router
Installation and Configuration Guide.

Verifying DOCSIS-Compliant Bridging

To verify that the cable access router is configured for DOCSIS-compliant bridging, enter the show
startup-config command from privileged EXEC mode. The configuration should look like this:
uBR924# show startup-config
Building configuration...
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
no ip routing
!
!
!
Step Command Purpose
1uBR924#erase startup config Erase the current configuration (assuming the current
running configuration has been saved to NVRAM).