Mike, I think I have solved the problem! I enabled STP on the 2900, and things seem to have improved quite drastically. The trunk port's status LED stopped alternating amber and green (no more spanning-tree issues?), but the real proof is in the pudding:
It now takes 6 minutes to transfer a...
Thanks for the reply, Mike!
To answer a few points you raised: Should you enable spanning tree only if you have more than one link to a specific device? We are running a pure star LAN, with point-to-point trunks to all switches.
The 5505 and the 2900 are in the same wiring closet, with a 0.5m...
I have a few Catalyst 2900 switches trunking to a Catalyst 5500 that has this problem: On the 2900 trunk ports, the LEDs are flashing amber and green all the time. Switch performance is affected, but I don't know what the problem can be, as I have a few exact same 2900's connected to the same...
Anybody done this successfully? I get a heck of a lot of errors on the 2924. The port LEDs are permanently flashing amber and green. It is as if the ports get disabled somehow, and then the errors start piling up. Then the ports get enabled again -...
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