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Chapter 2
Cisco CMTS Configuration Commands
which is available at the following URL at the PacketCable web site:
http://www.packetcable.com/downloads/specs/pkt-sp-esp-I01-991229.pdf
Tip
This command cannot be used on subinterfaces. To monitor traffic on a subinterface, configure the cable
intercept command on the main interface, and the Cisco CMTS router will match on the packets' MAC
address to filter the appropriate traffic.
Examples
The following commands specify that a copy of all traffic for the CM with the MAC address of
0080.fcaa.aabb should be forwarded to the data collector that is listening at UDP port 512 at the IP
address of 10.12.13.8. The show interface cable intercept command displays which intercepts are
currently active.
router# configure terminal
router#(config) interface c6/0
router(config-if)# cable intercept 0080.fcaa.aabb 10.12.13.8 512
router(config-if)# exit
router(config)# exit
router# show interface c6/0 intercept
MAC Address
0080.fcaa.aabb
router#
Related Commands
Command
cable monitor
show interface cable
intercept
OL-1581-08
Destination
Destination
IP Address
UDP Port
3.12.13.8
512
Description
Enables the forwarding of selected packets on the cable interface to
an external LAN analyzer.
Displays the CMs for which cable intercept is currently active.
Cisco Broadband Cable Command Reference Guide
cable intercept
2-117
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