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Hi,We have a core stack of Cisco 3750 switches. We use Avaya 4621 IP phones with PoE from the switches.I have one port that gives this error approx three or four times a week, at no set time of day052545: Dec 9 09:55:08.396 UTC: %LINEPROTO-5-UPDOWN...
Hi,I've been asking about connecting two stacks and have finally got to the stage where I'm ready to go but was hoping someone could have a quick look at this to see if I'm missing anything?Stack1 is our existing production stack and cannot have any ...
Hi,I have just removed a 3750 from an existing stack and want to use it as the first switch in a new stack. I've cleared the config and the VLAN Db, but the switch number still appeard as 9. I tried to renumber the switch using the commandswitch cu...
Hi,I have asked about the migration process already but have one more question about VLAN Db. If I am migrating from Stack1 to stack 2, VLAN domain, version and password are the same on both stacks, what happens when I finally retire Stack1, will th...
Hi,I am configuring a stack of 3750 switches and will be connecting to another stack using etherchannel. I also need multiple port channel interfaces for an esx enviroment. A former colleague of mine had mentioned once that the ports in a channel g...
Thanks,I have just been to look at the issue again and it has become even odder. Yesterday a reboot of the phone resolved the issue, today it did not and the phone would simply not obrtain an IP address. I connected it to a different port on the swi...
Thanks NT,If I apply the spanning-tree vlan root command to stack 1, what would the outage affect, Stack1, Stack 2 or both?The next stage of my plan is to move some switches to stack 2 and finally retire Stack 1. Would it be worthwhile adding the sp...