[c-nsp] filtering IPV6 for L2 bridged traffic ?

[Alexander Clouter]

Jeff Fitzwater <jfitz at princeton.edu> wrote:
>
> I am running SXI code on sup720-CXL and need to filter out certain  
> IPV6 packets like MDNS  on trunked L2 port?
> 
> I was going to use an vlan access-map but it appears that it does not  
> allow me to do a MATCH on an IPV6 acl, I guess I am stuck with a MAC  
> ACL to filter bridged IPV6 traffic.
> 
> Any ideas on this issue?   How else can it be done?
> 
Eugh, I am having a similar problem.  Seems our 3750's are blind to 
'permit any any 0x86dd 0x0' and I have to RSPAN *everything* and get it 
filtered on the next hop...then to add to my pain it's awkward and not 
wholely predictable even there; on a pair of 6509's.

For you however there might be a solution.  Your magic cookie hint is...

http://en.wikipedia.org/wiki/Multicast_address#Ethernet_multicast_addresses

Enjoy

-- 
Alexander Clouter
.sigmonster says: What's love but a second-hand emotion?
                  		-- Tina Turner