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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
OL-2239-03
Chapter7 Overview of the Cisco Network Registrar for the Cisco uBR7200 Series
Create Network Scopes
Telco Return
Note If you are using the prepacketencode and postclientlookup .tcl scripts for telco return, the telco return
scope does not have a selection tag associated to the scope.
Step1 Put the tag Telcocablemodem on the primary cableinterface scope to pull addresses from that pool
instead.
Step2 Follow the same procedure as above, but use a telco return policy which has a different .cm file with
telco-specific commands in it.
Create Network Scopes
Following is an example for creating scopes for your network. This example assumes two
CiscouBR7200 series universal broadband routers in two locations, with one cableinterface card on one
CiscouBR7200series configured for telco return.
cm-toledo1_2-0 10.2.0.0 255.255.0.0 assignable 10.2.0.10-10.2.254.254 tagCablemodem
tagTelcomodem Default GW=10.2.0.1 (assigned by scripts)
cm-toledo1_3-0 10.3.0.0 255.255.0.0 assignable 10.3.0.10-10.3.254.254 tagCablemodem
tagTelcomodem Default GW=10.3.0.1 (assigned by scripts)
pc-toledo1_2-0 208.16.182.0 255.255.255.248 assignable 208.16.182.2-208.16.182.6
tagComputer Default GW=208.16.182.1 (assigned by scripts)
pc-toledo1_3-0 208.16.182.8 255.255.255.248 assignable 208.16.182.10-208.16.182.14
tagComputer Default GW=208.16.182.9 (assigned by scripts)
telco_return_2-0 192.168.1.0 255.255.255.0 (No assignable addresses, tag was put on cable
modem primary scope to force telco-return cable modem to pull address from primary scope)
cm-arlington1_2-0 10.4.0.0 255.255.0.0 assignable 10.4.0.10-10.4.254.254 tagCablemodem
Default GW=10.4.0.1 (assigned by scripts)
cm-arlington1_3-0 10.5.0.0 255.255.0.0 assignable 10.5.0.10-10.5.254.254 tagCablemodem
Default GW=10.5.0.1 (assigned by scripts)
pc-arlington1_2-0 208.16.182.16 255.255.255.248 assignable 208.16.182.17-208.16.182.22
tagComputer Default GW=208.16.182.17 (assigned by scripts)
pc-toledo1_3-0 208.16.182.24 255.255.255.248 assignable 208.16.182.2-208.16.182.30
tagComputer Default GW=208.16.182.25 (assigned by scripts)
Note Remember the last valid address in the .248 subnet range is the broadcast address; do not use this.