From: Sara Li (saralilin@xxxxxxxxxxx)
Date: Fri Mar 02 2001 - 13:18:00 GMT-3
dot1q does support bridging!
difference between isl and dot1q is isl support one spaning tree per vlan,
while dot1q is one spaning tree for all vlans. correct me if I am wrong.
isl is for cisco device only, so if you have equipment other than cisco, you
got to use dot1q.
Sara
>From: Rodgers Moore <rodgers@the-moores.org>
>Reply-To: Rodgers Moore <rodgers@the-moores.org>
>To: Blade Of Darkness <lm_nguyen@hotmail.com>
>CC: ccielab@groupstudy.com
>Subject: Re: ISL Trunking vs dot1q
>Date: Thu, 01 Mar 2001 11:32:03 -0500
>
>If you bring a dot1q trunk to a router, you can't do bridging on any of the
>vlan interfaces. So if you need bridging, you must use ISL. I found
>this
>out two weeks ago, and on a 7206 running IOS 12.1.6 Enterprise.
>
>Rodgers Moore
>
>Blade Of Darkness wrote:
>
> > Group,
> >
> > Has anyone experience the pros and cons of isl vs dot1q? I am asking
>about
> > performance-wise and all equipments are ciscos. Why would one chose to
>use
> > isl instead of dot1q? And can the cisco WS2948G (only G)
> > use isl? I only see dot1q supported.
> > Thanks.
> >
> > Blades of Darkness.
> >
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