i have always practiced using Q trunks because they are a standard. im not sure any one is better than the other. since isl is proprietary, i like the Q's.
-----Original Message----- From: Audy Bautista [mailto:[EMAIL PROTECTED]] Sent: Monday, March 11, 2002 9:18 AM To: [EMAIL PROTECTED] Subject: Re: ISL or 802.1q? [7:37859] 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 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=37862&t=37859 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
