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09-04-2013 05:21 PM - edited 09-04-2013 09:00 PM
09-04-2013 05:21 PM - edited 09-04-2013 09:00 PM
VLAN Interface Multicast ACL Problem
Hiya
We want to allow L3 multicast traffic between two vlans (one /24 per vlan) but block L3 multicast from these two VLANs to any other subnet.
An easy way would be to put a deny where source address is either of the two subnets, on all vlan interfaces except the two that need to talk. But then we have to apply that ACL to a bunch of VLAN interfaces. Being the lazy, absent-minded admin that I am, is there a way to put an ACL on just the two vlan interfaces that we want to isolate?
I can't see how, as the destination address in an ACL is going to be the multicast address.
Cheers
Simon
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- ACLs