Cisco SR2016T-NA Reference Manual page 978

debug packetcable all
Command
debug packetcable ipc
debug packetcable
subscriber
Cisco Broadband Cable Command Reference Guide
5-118
Description
Enables interprocess communications (IPC) messages related to
PacketCable operations on the Cisco uBR10012 router.
Enables PacketCable debugging for a specific subscriber IP address.
Chapter 5 Cisco CMTS Debugging Commands
OL-1581-08