[j-nsp] Multicast through a switch

Gert Doering gert at greenie.muc.de
Tue Jan 9 05:00:08 EST 2018


Hi,

On Tue, Jan 09, 2018 at 10:54:08AM +0100, Alexander Marhold wrote:
> And the behavior is the same for all enterprise switches when they support
> IGMP-snooping ( not only EX3300)

Well.  Sort of.  EX3300 manages to apply IGMP-snooping logic to 224.0.0.x
multicast, which by definition is link-local and is not(!) IGMP-queried
for - thus breaking EIGRP routing, for example.  And annoyingly this
feature is on-by-default.

For non-224.0.0.x groups, you're right.

gert

-- 
now what should I write here...

Gert Doering - Munich, Germany                             gert at greenie.muc.de
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