Re: covergence in RSTP

you will still have to use portfast even with RSTP due to standard
specifications.

On Mon, Jun 25, 2012 at 9:49 AM, shekhar sharma
<shekhar.sharma21_at_gmail.com>wrote:

> Hi Experts ,
>
> I know RSTP is mush faster than legacy STP or PVST because of its alternate
> ,,,back ports & a different algorithm to achive faster convergence in the
> interswitch links & uplinks.
>
> But I am little confused about its behaviour for edge ports i.e access
> ports.
>
> Yesterday I have done some tests ,,,.Observation is without enablings
> portfast on acess ports ,if I am doing shut/noshut on that accessport
> interface. convergence is slow and I am getting 10 packet drops b/w the
> pings.
>
> But with portfast enabled , convergence is faster and my gettig 2-3 packet
> drop.
>
> So, the question is if portfast is still required in RSTP ,then how will we
> utilize its use in non-cisco environment .since portfast is cisco
> propriteiry.....
>
> Thanks,
> Shekhar
>
>
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Received on Mon Jun 25 2012 - 11:36:08 ART