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Loopgaurd
dredlord
Dear members, I was wondering if someone could be so kind as to explain loop guard, try as I may to research this feature I cant seem to grasp it. For some reason I keep thinking that loop guard will effectively block a backup path should for some reason the primary path fail.
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chrisone
YOUTUBE is your friend.
https://www.youtube.com/watch?v=Do42S-_w8KU
BeTheNetwork
Don't know if those videos helped you, but Loopguard is just like UDLD but instead uses STP BPDU's as keepalive. Basically, if you have a redundant (physical) switching path, then STP will have a forwarding port and a blocking port. With loopguard, if the blocked port stops receiving BPDUs then the port will be placed into loop-inconsistent state.
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