[nsp] etherchannel link down time detection
Don Bowman
don at sandvine.com
Wed Dec 10 20:15:31 EST 2003
i have an application where two catalyst 6509
are connected via an etherchannel of 2 ports.
On each link in this etherchannel is a hub
(a different hub on each) to facilitate packet
snooping.
The problem is, that if one of the wires
from one of the cat6k fails, that link of
the etherchannel takes a long time to determine
its down, since the link state doesn't change.
|----| |----|
| |---[]---| |
| | | |
| |---[]---| |
------ ------
I thought that i could solve this with UDLD,
but it doesn't seem to affect it.
Does anyone have a suggestion on how to
make the convergence time of a link failure in
this mode be the same as if the hub were not there?
--don
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