Dave, If memory serves, cisco's dot1q implementation always uses per vlan spannging tree.
Kent ""MADMAN"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > add the CAT4K to your list of dot1q only devices. The old arguement > of dot1q not supporting per VLAN spanning is also moot. > > Dave > > Patrick Ramsey wrote: > > > > well here is a quote from cisco's site > > > > http://www.cisco.com/warp/public/473/43.html > > > > "Catalyst 2950 series switches only support 802.1q trunking. They do not > > support ISL trunking" > > > > and the 2950 is one of their best of breed switches...maybe this means they > > will begettign rid of isl soon... > > > > -Patrick > > > > >>> "Audy Bautista" 03/11/02 10:18AM >>> > > I've always had the same question in my head. In our environment (all > > Cisco; at least 4 6509s and about a dozen 2948s, some 3548s, 2924s, etc.) > we > > use 802.1q mostly because the 2948s don't support ISL. We even trunk the > > 6509s using 802.1q even though of course 6509s support ISL and 802.1q. But > > I don't know which one is better, and I've done similar searches in the > past > > for more info; no luck. > > > > Audy > > > > ""Kaminski, Shawn G"" wrote in message > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > Repost. First one didn't make it. > > > > > > > -----Original Message----- > > > > From: Kaminski, Shawn G > > > > Sent: Friday, March 08, 2002 2:54 PM > > > > To: 'Groupstudy' > > > > Subject: ISL or 802.1q? > > > > > > > > After a search of the archives and reading the posts, I realize this > has > > > > been discussed before. I also searched CCO. However, there didn't seem > > to > > > > be a clear answer on what I was looking for. We have two Distribution > > > > Cisco 6509 switches trunked together and there is an argument as to > > > > whether we should use ISL or 802.1q on this trunk. Our network is all > > > > Cisco. Some people are saying 802.1q on everything because Cisco is > > > > leaning towards this direction anyway. Some say ISL should be used > > between > > > > the Distribution switches and 802.1q between Distribution and Access > > > > switches. I don't know why because I couldn't find anything on this. > > Some > > > > of the people here keep saying that ISL has more "features" than > 802.1q. > > > > Could some of you please give your opinions about what you would use > > (ISL > > > > or 802.1q) in this situation? > > > > > > > > Thanks, > > > > Shawn G. Kaminski > > > > EDS Network Engineering - DowNET > > >>>>>>>>>>>>> Confidentiality Disclaimer This email and any files > transmitted with it may contain confidential and > > /or proprietary information in the possession of WellStar Health System, > > Inc. ("WellStar") and is intended only for the individual or entity to whom > > addressed. This email may contain information that is held to be > > privileged, confidential and exempt from disclosure under applicable law. > If > > the reader of this message is not the intended recipient, you are hereby > > notified that any unauthorized access, dissemination, distribution or > > copying of any information from this email is strictly prohibited, and may > > subject you to criminal and/or civil liability. If you have received this > > email in error, please notify the sender by reply email and then delete > this > > email and its attachments from your computer. Thank you. > > > > ================================================================ > -- > David Madland > Sr. Network Engineer > CCIE# 2016 > Qwest Communications Int. Inc. > [EMAIL PROTECTED] > 612-664-3367 > > "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=37884&t=37859 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
