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Universal Broadband Features Configuration Example
VC-160
Voice, Video, and Home Applications Configuration Guide
Validation Tips
To verify that a cable modem insertion interval has been set, enter the command more
system:running-config and look for the cable interface configuration information as shown in this
command output excerpt:
router# more system:running-config
Building configuration...
Current configuration:
!
interface Cable6/0
ip address 1.1.1.1 255.255.255.0
no keepalive
cable insertion-interval 2000
cable downstream annex B
cable downstream modulation 64qam
cable downstream interleave-depth 32
cable downstream symbol-rate 5056941
cable upstream 0 frequency 15008000
cable upstream 0 fec
cable upstream 0 scrambler
no cable upstream 0 shutdown
!
Troubleshooting Tips
If you are having trouble, make sure that you entered the correct slot and port numbers when you
typed the command.
Universal Broadband Features Configuration Example
Most of the default values for the commands described in this document are adequate to configure
the Cisco uBR7246. The following example shows the minimum configuration necessary to enable
this feature:
! Enter the global configuration mode.
configure terminal
!
!Enter the cable interface configuration mode. This example shows that the
!Cisco MC11 card is in the 6th slot or bottom slot of the Cisco uBR7246 chassis.
interface cable 6/0
!
!Configure the upstream data frequency. In this example, for channel 0, the frequency
is 15, 800 MhZ, or 15,800,000 Hz.
cable u0 1580000
!Enable cable interface.
no cable upstream 0 shutdown
!
Enable router interface.
no shutdown
!Set interface’s IP address
ip address <ipaddr> <subnet mask>
end