You need to worry about native vlans if you're doing
802.1q trunking.
It is trying to talk CDPv2 to the Alteons and probably
expecting something back. Just turn off CDP since you
won't need it with Alteons anyway. At least I don't
think so, unless Alteons do 802.1q trunking.
If they do, then prob
Ralph,
I've gotten this message before myself. It occurred when the two ports that
made up a trunk link had different native VLANs. Changing the native VLAN of
one of the ports to match the other allowed the trunk link to come up. I
Imagine that your situation is likely quite similar. just check
>From Cisco's website:
CDP-4-NVLANMISMATCH: Native vlan mismatch detected on port [dec]/[dec]
Explanation This message indicates that the native VLAN is different from
the one set on at least one of the neighboring ports; [dec]/[dec] is the
module number/port number of the offending port.
Reco
Explanation This message indicates that the native VLAN is different from
the one set on at least one of the neighboring ports; [dec]/[dec] is the
module number/port number of the offending port.
Action Check the native VLAN settings. If the VLAN configuration does not
match, set it appropriate
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