Very interesting thanks. I never heard of UDLD before. How come its not mentioned in any of the CCNP swithcing guides? Kind of shows you how much real world switching material is left out of the exams.
""Walter De Angelis"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > If you are running spanning tree, you might want to turn on udld aggressive > mode in case of any gbics > causing you some grief. > > > > > > ----- Original Message ----- > From: "sam sneed" > To: > Sent: Monday, November 19, 2001 8:09 AM > Subject: Re: spanning tree failure [7:26710] > > > > To get an idea of the network topology, you can got to > > http://www.v-man.net/vlan.gif > > the switch i rebooted to solve problem was the bottom one. > > > > > > ""sam sneed"" wrote in message > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > I came into work this morning to find a segment of the network was down. > > It > > > was the segment connected to a 3548 switch. I suspecteda bridging loop > but > > > cannot verify. Does anyone know if there would be any "clues" i could > look > > > for? A power cycle fixed the problem but cleared the logs as well. Here > > are > > > the logs from a neighboring switch. Does anyone know how to interpret > > these? > > > > > > 1y6w: %RTD-1-LINK_FLAP: GigabitEthernet0/2 link down/up 10 times per min > > > 1y6w: %RTD-1-LINK_FLAP: GigabitEthernet0/2 link down/up 8 times per min > > > 1y6w: %RTD-1-LINK_FLAP: GigabitEthernet0/2 link down/up 6 times per min > > > 1y6w: %GIGASTACK-1-NO_LOOP_DETECT: The link neighbor of link 1 of > > Gigastack > > > GBIC in Gi0/2 did not respond to the loop detection request. If loop > > > topology is deployed, make sure all switches in the stack are running > the > > > latest software. > > > > > > 1y6w: %GIGASTACK-1-NO_LOOP_DETECT: The link neighbor of link 2 of > > Gigastack > > > GBIC in Gi0/2 did not respond to the loop detection request. If loop > > > topology is deployed, make sure all switches in the stack are running > the > > > latest software. > > > > > > Thanks alot. > > > > > > sam sneed Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=26723&t=26710 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
