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Convergence time of multicast routing protocols?

Unanswered Question
Oct 11th, 2010
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Hi!

I'm Min-ho in korea and I have a question about convergence time.


I have designed the network(see the below image) and each node operates multicast server(source) & client.

그림2.jpg

I think that multicast routing protocol is used in this configuration like PIM-SM/DM, MOSPF, DVMRP...

Iknow that most of cisco L3 switches support this protocols.


Q1.

In case of  the physical link, switch ports or L3 switch(black) is failed, each protocol is carring out re-routing.(convergence)

How long dose it takes?(what's convergence time?) and the (convergence) time includes error detection time?


Q2.

If all switch operate L2, RSTP is used to prevent loop. I know RSTP has sub-second convergnece time.

RSTP convergence time includes error detection time?

I think not included.


please your reply & opinion.


thanks and sorry for short english.

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