[c-nsp] Bridging two VLANs on Catalyst 6500

Tim Stevenson tstevens at cisco.com
Thu Apr 13 13:21:50 EDT 2006


Turn off CDP.

Tim

At 08:41 AM 4/13/2006, Piff observed:
>Hello,
>
>Few days ago, I tried to ask the following:
> > can I bridge two VLANs on a Catalyst 6500 with an external switch?
> > The Catalyst is running IOS Version 12.2 (18) SFX.
> > The external switch is an Alteon AD.
>
>When the VLANs are bridged I get:
>
>Apr 13 11:27:07: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch 
>discovered on
>GigabitEthernet8/1 (10), with router6500 GigabitEthernet8/2 (20).
>Apr 13 11:27:19: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch 
>discovered on
>GigabitEthernet8/2 (20), with router6500 GigabitEthernet8/1 (10).
>
>Any suggestions?
>
>Thanks,
>/P
>
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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