Best practice for placement of Root Guard ?

Answered Question
Jan 25th, 2008

Hi,

If I use the following basic design, where is the best place for configuring root guard ?

Two 6500's at the core, one is the root and the other secondary. Hanging off each 6500 I have say 3 x 3550 switches.

Am I right in thinking that the best blace to configure root guard is on the access switches (3550's), since only the rouge switch will be blocked from joining the network ?

If I were to configure this on the root switch as I have been reading I would surely risk one or both of my core switches completely 'blocking' and layer 2 wise would grind to a halt until the offending switch was located and removed ?

Cheers,

Phil.

I have this problem too.
0 votes
Correct Answer by Nagendra Kumar ... about 8 years 10 months ago

Hi Phil,

Yes. It is recommended to configure root guard on all appropriate interface of the designated switch.

Regards,

Nagendra

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Correct Answer
Nagendra Kumar ... Fri, 01/25/2008 - 08:32

Hi Phil,

Yes. It is recommended to configure root guard on all appropriate interface of the designated switch.

Regards,

Nagendra

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