Whoops, my bad. The 4000, 5000, and 6000 can indeed do dot1x now, and have been able to since 6.1. Sorry for the confusion.
""nrf"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Here are some answers: > > > ""Urooj's Hi-speed Internet"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Hi Folks, > > Can someone please answer my following questions regarding various IEEE > > Standards that have been advanced to enhance the Spanning Tree Protocol: > > > > 1. Has some vendor implemented the 802.1V, 802.1W, and 802.1X standards in > > their equipment ? > > Sure, some vendors have implemented it. Not just any vendor, but most > notably, Cisco has partially implemented 802.1w in the 6500, the 4000, and > related switches. 802.1x has been implemented into several of the lower-end > Cat switches, Ciscosecure ACS, and should be integrated into the 4000/6000 > shortly. As far as other vendors are concerned, I believe Foundry has > implemented 802.1w in some of its higher-end products. Enterasys too. Some > of the authentication server vendors like Funk support 802.1x also. Most > of the wireless LAN vendors support or have announced that they are > implementing support of 802.1x into their gear.. As far as 802.1v is > concerned, I don't think any of the larger vendors have shown any interest, > leaving it to small players like Marvell and others. > > > > > > 2. If yes, then has it resulted in addition of more switching commands to > > augment STP implementation ? > > > I take it you are talking only about 802.1w (dot1v and dot1x have nothing to > do with STP). Not really, at least not yet, because the present-day > implementations are not flexible at all. Foundry has commands to turn RSTP > on and off. Cisco has completely integrated RSTP into MST and has no > special RSTP commands. I expect this to change in the future as vendors > integrate more tuning features. > > > > > 3. With STP enhancements, is there a possibility that Ethernet networks > can > > rival SONET's restoration times of 50msec or less in practical reality ? > > Probably not at the moment. 802.1w offers significantly faster failover, > but not that fast. It definitely helps, though, and combined with other > features might indeed offer SONET-like restoration. > > > > > > Any information will be welcome. TIA. > > > > Aziz S. Islam Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=40421&t=39920 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
