IPv6-capable 10G switches

Dale W. Carder dwcarder at wisc.edu
Thu Jan 13 17:45:45 CET 2011


Thus spake Daniel Roesen (dr at cluenet.de) on Thu, Jan 13, 2011 at 01:12:39AM +0100:
> On Wed, Jan 12, 2011 at 05:03:38PM +0100, Gert Doering wrote:
> > 
> > Well, to not-support IPv6 on a Layer2 switch would certainly require
> > extra effort...  so this doesn't impress me very much.
> 
> At least on part of the Juniper EX series (we've seen it on EX3200 and I
> have heard of folks seeing probably the same problem on EX8200 too), IPv6
> multicast is partially(!) broken when IGMP snooping is enabled (PR/456700,
> we're trying to get a fix in 10.4R2).

There is a similar, but arguably worse bug in some Cisco 3750 series switches:
CSCtl51859    IPv6 MLD Snooping Causes Neighbor Discovery to Fail

Dale


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