3550 root guard and loop guard

From: Szeto Jeff (jytszeto@hotmail.com)
Date: Wed Nov 06 2002 - 05:45:53 GMT-3


Hi Group,

I am reading the config guide and do not clear about the root and loop
guard.

Why root guard prevent the remote switch that connecting to the local switch
from becoming the root?
The following, about the loop guard, is copied from the guide:
"You can use loop guard to prevent alternate or root ports from becoming
designated ports because of a failure that leads to a unidirectional link"
Actually, what the loop guard do?

Thank you in advance.

Jeff



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