Its also possible there are STP issues, so check where you roots are for the vlans and make sure they are deterministically set.
Brian On Mar 18, 2010, at 11:12 AM, Brielle Bruns wrote: > Dennis, > > In large installations, I've always found it helpful when diagnosing LAN > issues to isolate floors and departments first - using routers or with > devices that can do transparent bridging. That way, you can walk through > each dept/floor testing for the issues, and hopefully find only one location > its still affecting. > > Its entirely likely that there's either a loop of some sort or a switch has > gone off the deep end. > > If you'd like, let him know if he wants to drop me a mail, I can walk through > details about the situation and hopefully help him narrow it down. > ------Original Message------ > From: Dennis Dayman > To: nanog@nanog.org > Subject: Latency quesstion > Sent: Mar 18, 2010 7:56 AM > > have a friend who has 21 floors of a building in DFW, multiple switches, etc > and they started to have latency issues this weekend where half if not all > packet are being dropped to folder shares, printers, etc. Suggestions on how > they can troubleshoot that? call in a company to help identify it? > > -Dennis > > > > > > > -- > Brielle Bruns > http://www.sosdg.org / http://www.ahbl.org
