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" >Reply-To: "Wright, Jeremy" >To: "'[EMAIL PROTECTED]'" >CC: "'[EMAIL PROTECTED]'" >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. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=24262&t=24262 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]