Re: Native vlan

From: James Ventre (messageboard@ventrefamily.com)
Date: Sun May 08 2005 - 18:15:25 GMT-3

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Just for clarity - it doesn't "come up" if your mode is desirable.

If it's hardcoded to "ON" .... all it takes is link up to have a
trunking port ... trunk.

If you hardcode to "ON" and they don't match on both ends, you can
easily create a bridging loop (spanning tree loopguard is your friend)

James

dhartma5@optonline.net wrote:

> The Native VLAN carries ALL layer 2 control traffic (IEEE 802.1d STP, CDP, VTP, etc). If the native VLAN does not match on both ends of the .1Q trunk, the .1Q trunk will NOT come up.
>
>Sincerely,
>Dennis Hartmann

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