Cisco 7246VXR - uBR Router Software Configuration Manual page 254

CNR Steps to Support Subinterfaces
Create client entries for CMs that belong to ISP2 and assign them to isp2-client-class. Also assign the
Step 6
scope selection tag isp2-cm-tag
Enable client class processing from the scope-selection-tag window
Step 7
Note
Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
7-8
Overlapping address ranges cannot be configured on these subinterfaces because software
gleans the DHCP reply to figure out the subinterface it really belongs to. Although CNR can be
configured with overlapping address range scopes, it cannot be used to allocate addresses from
these scopes.
Chapter 7 Overview of the Cisco Network Registrar for the Cisco uBR7200 Series
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