[j-nsp] How useful is Juniper storm control?

James S. Smith JSmith at WindMobile.ca
Tue May 14 10:29:35 EDT 2013


I'm looking for people's experience with storm control on Juniper switches.  We have a pair of EX4500 switches and I notice that storm control kicks in a lot.  I'm concerned that it might be stopping legitimate broadcast and multicast traffic.

Before we put in these Juniper switches into the network we had some Cisco 3750 switches and everything was fine.  In both cases we run spanning tree, so there are no loops in the network.  The only experience I've had with broadcast storms forming is in a layer 2 network without spanning tree.  So is storm control useful in a spanning tree environment, or is it unnecessary?

Do most people have storm control enabled or disabled?

James



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