Re: Native vlan

From: James Ventre (messageboard@ventrefamily.com)
Date: Mon May 09 2005 - 07:21:19 GMT-3

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I'm not sure what the "true" spec is.

Tagging all of th VLANs on an 802.1Q trunk isn't just good for playing
well with other vendors. It helps deal with VLAN security issues like
VLAN Hopping.

James

Brant I. Stevens wrote:

>I was under the impression that true 802.1q-compliant systems do not tag the
>native VLAN whatsoever, but Cisco provided that knob for vendors that did
>not exactly comply with the spec (or was it that they themselves didn't
>adhere religiously to the spec on some of their gear? Or is it nostalgia for
>ISL?)
>
>Thanks for the clarification regarding the use of dynamic trunking mode.
>
>On 5/7/05 7:57 PM, "James Ventre" <messageboard@ventrefamily.com> wrote:

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