To be a little bit more precise about the consequence of RSTP/STP operation. Ports at the boundary between the RSTP/STP region might block as a result of an RSTP convergence. They will take 30 seconds to unblock, while the RSTP region will reconverge instantly. So it's not obvious to evaluate the benefit/cost of this situation. The RSTP part of the network will converge must faster if it experiences a failure, but the reconverge will disconnect the STP part for 30 seconds. I guess that if you have few STP bridges at the edge, it might still be worthwhile.
Yes your point is valid because in case a), there is no boundary RSTP/STP (so no interaction between the two versions).
I just wanted to precise the consequence of b) because it's difficult to evaluate what's best.
In redundant STP network, a failure can be repaired in 30 seconds. During these 30 seconds, the network is partitioned.
In an RSTP/STP network, a failure in an STP part will converge just like STP. However, a failure in the RSTP part will be repaired instantly within the RSTP region (in that aspect it's better), but the convergence will most likely introduce a 30 seconds cut between the RSTP and the STP regions.
This should help deciding whether it is worth migrating to a partial RSTP network or staying with a full STP network. The choice is not obvious.
If all the devices can be migrated to RSTP, then the choice is obvious;-)
We are pleased to announce availability of Beta software for 16.6.3.
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looking for early feedback from customers befor...
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