Specifications

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Cisco Cable Modem Termination System Feature Guide
0L-1467-02
Chapter 3 Spectrum Management for the Cisco Cable Modem Termination System
Configuration Examples
cable downstream modulation 64qam
cable downstream interleave-depth 32
cable downstream frequency 687000000
! Assign upstream to spectrum group
cable upstream 0 spectrum-group 1
! Set channel-width to be fixed at 1.6 MHz
cable upstream 0 channel-width 1600000 1600000
! Set priority of corrective actions
cable upstream 0 hop-priority frequency channel-width modulation
! Set the thresholds for corrective action
cable upstream 0 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
! Assign modulation profiles to upstream port in order of preference
cable upstream 0 modulation-profile 5 1
no cable upstream 0 concatenation
no cable upstream 0 shutdown
cable upstream 1 spectrum-group 1
cable upstream 1 channel-width 1600000 1600000
cable upstream 1 hop-priority frequency channel-width modulation
cable upstream 1 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 1 modulation-profile 5 1
no cable upstream 1 concatenation
no cable upstream 1 shutdown
cable upstream 2 spectrum-group 1
cable upstream 2 channel-width 1600000 1600000
cable upstream 2 hop-priority frequency channel-width modulation
cable upstream 2 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 2 modulation-profile 5 1
no cable upstream 2 concatenation
no cable upstream 2 shutdown
cable upstream 3 spectrum-group 1
cable upstream 3 channel-width 1600000 1600000
cable upstream 3 hop-priority frequency channel-width modulation
cable upstream 3 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 3 modulation-profile 5 1
no cable upstream 3 concatenation
no cable upstream 3 shutdown
cable upstream 4 spectrum-group 1
cable upstream 4 channel-width 1600000 1600000
cable upstream 4 hop-priority frequency channel-width modulation
cable upstream 4 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 4 modulation-profile 5 1
no cable upstream 4 concatenation
no cable upstream 4 shutdown
cable upstream 5 spectrum-group 1
cable upstream 5 channel-width 1600000 1600000
cable upstream 5 hop-priority frequency channel-width modulation
cable upstream 5 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 5 modulation-profile 5 1
no cable upstream 5 concatenation
no cable upstream 5 shutdown
no cable dci-response
cable dhcp-giaddr policy
!
interface Cable4/0
no ip address
no keepalive
cable map-advance static
cable bundle 1
cable downstream annex B
cable downstream modulation 64qam
cable downstream interleave-depth 32
cable downstream frequency 687000000
cable upstream 0 spectrum-group 1
cable upstream 0 channel-width 1600000 1600000
cable upstream 0 hop-priority frequency channel-width modulation
cable upstream 0 threshold cnr-profile1 23 cnr-profile2 15 Corr-Fec 5 Uncorr-Fec 1
cable upstream 0 modulation-profile 5 1
no cable upstream 0 concatenation
no cable upstream 0 shutdown
cable upstream 1 spectrum-group 1
cable upstream 1 channel-width 1600000 1600000