Specifications

3-70
Cisco Cable Modem Termination System Feature Guide
0L-1467-02
Chapter 3 Spectrum Management for the Cisco Cable Modem Termination System
Configuration Examples
• Assigns a spectrum group to each of the four upstreams.
• Configures each upstream for the default CNR and FEC thresholds.
Current configuration : 4899 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service internal
!
hostname UBR10012
!
no logging rate-limit
!
redundancy
main-cpu
auto-sync standard
card 1/0 1gigethernet-1
card 1/1 2cable-tccplus
card 4/0 1oc12pos-1
card 6/1 1cable-mc16s
card 7/0 1cable-mc16s
card 8/0 1cable-mc16s
card 8/1 1cable-mc16s
cable spectrum-group 1 hop period 30
cable spectrum-group 1 band 6000000 11000000
cable spectrum-group 2 hop period 30
cable spectrum-group 2 band 12000000 17000000
cable spectrum-group 3 hop period 30
cable spectrum-group 3 band 18000000 23000000
cable spectrum-group 4 hop period 30
cable spectrum-group 4 band 24000000 31000000
cable modulation-profile 2 qpsk
interface Cable6/1/0
ip address 10.55.0.1 255.255.0.0
cable downstream annex B
cable downstream modulation 64qam
cable downstream interleave-depth 32
! upstream 0
cable upstream 0 spectrum-group 1
cable upstream 0 modulation-profile 2
cable upstream 0 threshold cnr-profile1 16 cnr-profile2 5 Corr-Fec 1 Uncorr-Fec 1
no cable upstream 0 shutdown
! upstream 1
cable upstream 1 spectrum-group 2
cable upstream 1 modulation-profile 2
cable upstream 1 threshold cnr-profile1 16 cnr-profile2 5 Corr-Fec 1 Uncorr-Fec 1
no cable upstream 1 shutdown
! upstream 2
cable upstream 2 spectrum-group 3
cable upstream 2 modulation-profile 2
cable upstream 2 threshold cnr-profile1 16 cnr-profile2 5 Corr-Fec 1 Uncorr-Fec 1
no cable upstream 2 shutdown
! upstream 3
cable upstream 3 spectrum-group 4
cable upstream 3 modulation-profile 2
cable upstream 3 threshold cnr-profile1 16 cnr-profile2 5 Corr-Fec 1 Uncorr-Fec 1
no cable upstream 3 shutdown