Greetings,

I've encountered a strange one today.  I issued cdp neigh command on my
router, the results two switches on the same router int (e0).  I checked the
first switch (Cat 5XXX), and the results from the cdp command as follows:

Port     Device-ID                       Port-ID                   Platform
-------- ------------------------------- ------------------------- ---------
---
 2/1     00D058794800                    A                         cisco
1900
 2/2     0050BD76DD40                    A                         cisco
1900
 2/3     0050BD76DC80                    A                         cisco
1900
 2/4     00D058795480                    A                         cisco
1900
 3/3     00D058792F00                    B                         cisco
1900
 3/4     00D058793100                    B                         cisco
1900
 3/5     00D058796000                    B                         cisco
1900
 3/6     0050BD76C800                    B                         cisco
1900
 3/7     00D0587953C0                    B                         cisco
1900
 3/8     Training Room nar-s1100D0587943 B                         cisco
1900
 3/8     nar-c1.nccr.epa.gov             Ethernet0                 cisco
2500

Two questions

1- what does Port-ID A or B means, and

2- why are both the switch and the router showing on the same port 3/8.

Thanks,

Nabil

Happy turkey day for all!


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