[c-nsp] 3750 HSRP question

Tassos Chatzithomaoglou achatz at forthnet.gr
Thu Nov 13 17:45:06 EST 2008


What about the following?

mac address-table static 0100.5e00.0002 vlan X int A B ...

Just don't include the 2 appliance interfaces into the interface list (or include only the 
2 hsrp ports).

-- 
Tassos

Leif Sawyer wrote on 14/11/2008 00:18:
> Tassos Chatzithomaoglou writes:
>> If blocking egress multicast doesn't cause any issues in your 
>> appliances, you could give "switchport block multicast" a try 
>> on their ports.
>>
> 
> unfortunately, this command only blocks "unknown" m/c addresses.
> 
> HSRP uses a well-known address, and is not subject to this filtering.
> 
> I've also looked at vlan access-maps, but as that applies to the
> whole vlan, that would break HSRP connectivity to the other switch.
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