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UDLD and RSTP

If you have RSTP enabled throughout the network, is there a need for loop gaurd or UDLD? can some explain to me the benefits/disadvantages of having UDLD and loop gaurd in a RSTP enviroment? maybe even a brief explination of how loop gaurd and UDLD would work in this environment.

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Cisco Employee

Re: UDLD and RSTP

Mike,

You can enable UDLD with loopguard in the RSTP environment for preventing the network loops. Please see the TAC recommended best practices document for the same.

http://www.cisco.com/en/US/products/hw/switches/ps663/products_tech_note09186a0080094713.shtml#udld

HTH,

-amit singh

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