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Native VLAN mismatch

J

jlazzaro

Golden Member
Cisco 2950 connected to multiple Aironet 1231s. The AP's are configured for 2 VLANs trunked back to the 2950. I recently discovered a native VLAN mismatch between the switch and APs, however CDP never complained once. Both are CDP neighbors, logging debugging, but still nothing.

Is this normal behavior for these APs? I expected the buffer to be filled with messages...
 
I think it's normal for APs since your wireless VLANs don't always match up exactly with your wired. Does CDP neighbor entry show a native vlan on each side? I don't think that's supported on every platform.

-edit-
confirmed, APs don't send native vlan info in their CDP advertisements. At least looking at some they don't, if you look at the cdp neighbor entry for the AP on the switch side you will not see native vlan information.
 
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