From: Wright, Jeremy (JA_WRIGHT@xxxxxxxxxxxx)
Date: Fri Oct 26 2001 - 15:02:43 GMT-3
thanks bryan
-----Original Message-----
From: Bryan Osoro
To: ccielab@groupstudy.com
Cc: cisco@groupstudy.com
Sent: 10/26/01 12:40 PM
Subject: Re: ISL/802.1q info
To All:
Here are two links that show the frame formats of ISL and Dot1q, to aide
in
your "sniffing" process
ISL
http://www.cisco.com/warp/public/741/4.html
802.1q
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft
/121t/121t3/dtbridge.htm
-Bryan
>From: "Wright, Jeremy" <JA_WRIGHT@admworld.com>
>Reply-To: "Wright, Jeremy" <JA_WRIGHT@admworld.com>
>To: "'ccielab@groupstudy.com'" <ccielab@groupstudy.com>
>CC: "'cisco@groupstudy.com'" <cisco@groupstudy.com>
>Subject: ISL/802.1q info
>Date: Fri, 26 Oct 2001 11:27:19 -0500
>
>For you sniffer buffs out there....if you look at a sniffer trace and
>compare isl to 802.1q you will see that with isl, the vlan tag info
will
>come first before the source and destination...in 802.1q you will see
the
>source and dest. address first then the vlan tagging info. Just some
more
>info to help with comparison of the two.
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