I have seen this problem a couple of times, but it has disappeared before I could finish troubleshooting it. Please let me know what you find.
-jcw > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > From: Lee H Badman <[EMAIL PROTECTED]> > Date: Thu, 20 Sep 2007 12:39:30 -0400 > Subject: [WIRELESS-LAN] WiSM Interface Problem/Question > Reply-To: The EDUCAUSE Wireless Issues Constituent Group Listserv > <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> > > Though I have not completely ruled out our network... > > I am seeing individual VLAN interfaces (these each get IP addresses) on > WiSMs that occasionally "fall off" - just stop responding. The net > effect is that a given SSID is still present for clients to attach to, > but the interface is gone, so there is no network usability. If I delete > and recreate the interface, functionality is instantly restored. (or if > the controller is rebooted). This is happening across three different > 6500's, several different WiSMs > > > Have ruled out duplicate IP addresses, and some ARP history is showing > two MAC addresses (same root MAC, last digit varies as is seen when MACs > are dynamically generated) for the same dynamic interface IP address, > and in some cases the same MAC is showing up for the AP manager > interface and the dynamic vlan interface. > > Not implying that all of this can't be explained, or that there is an > issue with the WiSMs- but wondering if anyone else has seen any similar > symptoms and found answers. Feel free to respond directly to me if you > prefer. > > Regards- > > Lee H. Badman > Wireless/Network Engineer > Information Technology and Services > Syracuse University > 315 443-3003 > > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list > can be found at http://www.educause.edu/groups/. > ---------------------------------------------------------------- John Watters UA: Office of Information Technology 205-348-3992 ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
