11-21-2002 11:32 AM - edited 03-02-2019 03:05 AM
Hi, I need help. Executing show tech-support i see the next messages:
WARNING: The neighbors with the following device IDs have an unknown devices.
Why i see this warning?
I have configured trunk links isl and every switch have a VLAN administrative diferent the VLAN 1.
11-27-2002 12:27 PM
I've never heard/seen that one before. Did you ever find out what was causing it?
11-27-2002 04:08 PM
what are the neighboring devices ? and what are the device IDs ?
I suspect a cdp problem rather than an ISL issue, unless the neighbors on the
trunks are non cisco, in which case you should consider 802.1q
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