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I have a number of 3750G-12S based switches in a stack that connect to a number of 3550 edge switches via fibre. All the ports on the 3750 are set in trunk mode and there are 25 vlans set up that uses VTP for vlan management and uses the default VL...
Hello leolaohoo,All connectivity is via MM fibre. The 62.5/125 MM fibre runs are at most 50m in length and the 3550 interface uses the WS-G5484 Cisco GBIC ( 850nm wavelength) and the 3750 uses the GLC-SX-MM Cisco SFP ( 850nm wavelength) and all i...
Hello bonnardopjl,You are right I don't really need udld as the links are internal within the same building and are very unlikely to get damaged. But I would like to get a solution to the problem I am experiencing as it should not be happening.I have...
Hello Khaled,I tried the two options you suggested: 1) global udld aggressive and 2) local port udld aggressive, but the ports still shutdown after an up time of 5 to 30 minutes. I also tried udld normal at both ends of the link and there too the...
Hello KhaledI have configured udld agressive at port level and disabled udld globally as you outlined. I will leave the switches on to see what happens. I will not be around for the next few days to keep this discussion going but I will be back on...
Hello Khaled.Many thanks for your response. I did exactly as you outlined but unfortunately the links went down approx. 15 mins after configuration.I enabled udld globally and the config for any 3750 port is as follows:!interface GigabitEthernet2/0/1...
