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4-7
Cisco Broadband Access Center for Cable Installation Guide 2.7
OL-19105-01
Chapter 4 Installing in a Lab Environment
Configuring Network Registrar and a CMTS
Step 3 To configure your CMTS to insert the DHCP relay agent information option in forwarded
BOOTREQUEST messages, use this Cisco IOS command:
ip dhcp relay information option
The default device detection logic in BACC uses DHCP option 82 information (relay-agent information)
to detect devices.
Step 4 To configure your CMTS so that it does not validate the relay agent information option in forwarded
BOOTREPLY messages, use this IOS command:
no ip dhcp relay information check