[j-nsp] interoperation between MSTP and old STP

[Patrick Okui]

On  15-May-2015 11:06:53 (+0300), Victor Sudakov wrote:
> If I include an older switch which can only run old-fashioned STP,
> will they interoperate and still keep the topology loop-free? What if
> it can run STP and RSTP, but not MSTP?

RSTP is backwards compatible with STP and MSTP is backwards compatible
with both (by design).

> 
> A link to some good documentation is also appreciated.

Hmm. Besides the RFCs I'd say
<http://en.wikipedia.org/wiki/Spanning_Tree_Protocol#Multiple_Spanning_Tree_Protocol>
is a decent summary.

--
patrick

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