I would agree with Shook, sounds like an STP problem. Make sure you don't have 'spanning-tree portfast' turned on for the uplink ports.
******************************* John C. Kelsey DuBois Regional Medical Center (: 814.375.3073 *: [EMAIL PROTECTED] ******************************* -----Original Message----- From: Kurt Buff [mailto:[EMAIL PROTECTED] Sent: Sunday, June 29, 2008 18:09 To: NT System Admin Issues Subject: Re: Hoping to find someone tonight... Too late, unfortunately - I'm now at work dealing with downed air conditioning, after putting the switches all back together again on Friday night. On Sat, Jun 28, 2008 at 6:13 PM, Andy Shook <[EMAIL PROTECTED]> wrote: > If not to late, would you please post the output of sh int <pick one > that is acting up> when your having the problem. I've never seen a > Cisco switch with all ports throwing a protocol error, just single > ports here and there. It "almost" sounds like a spanning-tree > problem...or a couple of bad switches. Call the TAC if you have > smartnet or there less than a year old... > > Shook > > -----Original Message----- > From: Kurt Buff [mailto:[EMAIL PROTECTED] > Sent: Saturday, June 28, 2008 7:45 PM > To: NT System Admin Issues > Subject: Re: Hoping to find someone tonight... > > Sorry - what I wrote below is a little misleading. > > I had a console attached to the 2948T-48s - they were the ones > reporting the protocol error. I didn't see much on the 3400cl. > > Kurt > > On Sat, Jun 28, 2008 at 4:43 PM, Kurt Buff <[EMAIL PROTECTED]> > wrote: >> The link light would appear for a short while, then disappear, and >> output in the console window talked about a protocol error. For each >> and every one of the ports to which a 2950T-48 was attached. And, for >> one of those ports, I undid the cable for the 2950T-24, and hooked a >> 2950T-48 into it. No go. >> >> Same exact cables, because the 2948G-L3 that we're replacing is less >> than 1U away from the HP 3400cl that's replacing it. I just took the >> cables from their ports on the 2948G-L3 and plugged them into the >> 3400cl. >> >> I also power cycled all switches, in sequence. Nothing. >> >> Kurt >> >> On Sat, Jun 28, 2008 at 3:02 PM, Phil Brutsche <[EMAIL PROTECTED]> > wrote: >>> No link? >>> >>> No link at *all*? >>> >>> Even with known-good cables? >>> >>> Generally speaking I've only ever seen that when one or both sides >>> of the link has bad ports. >>> >>> The only other time I've seen a Cisco switch not show an active link >>> with a known-good cable is when the port is in the "shutdown" state, > and >>> I'm sure you've considered that possibility. >>> >>> Kurt Buff wrote: >>>> Their link lights aren't even lit. Nothing. Nada. I power cycled > both >>>> the 2950Ts and the 3400cl, with no luck. >>> >>> -- >>> >>> Phil Brutsche >>> [EMAIL PROTECTED] >>> >>> ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ >>> ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~ >>> >> > > ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ > ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~ > > ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ > ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~ > ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~ ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~
