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7500 WAN Router Port Numbering

Can someone explain what the port numbering that i am seeing using CDP means please?


what i understand is as follows, Serial Module/Slot/Port/???:Controller Channel?

we have an ISP which has NNPs with XO.  our ISP is providing MPLS services over T1/T3 circuits.


Device ID: 7507-3

Entry address(es):

  IP address:

Platform: Cisco RSP4,  Capabilities: Router

Interface: Serial0/0/0,  Port ID (outgoing port): Serial0/0/0/15:0

Holdtime : 127 sec

Version :

Cisco IOS Software, RSP Software (RSP-JK9SV-M), Version 12.4(5c), RELEASE SOFTWARE (fc2)

Technical Support:

Copyright (c) 1986-2007 by Cisco Systems, Inc.

Compiled Wed 01-Aug-07 22:40 by karnagar

advertisement version: 2

Thanks in Advance.

Super Bronze

Re: 7500 WAN Router Port Numbering


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It's been years since I've been on a 7500, but "extra" numbering might be related to a VIP.

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