[c-nsp] 3750 HSRP question

Tassos Chatzithomaoglou achatz at forthnet.gr
Thu Nov 13 17:03:42 EST 2008


If blocking egress multicast doesn't cause any issues in your appliances, you could give 
"switchport block multicast" a try on their ports.


-- 
Tassos

Leif Sawyer wrote on 13/11/2008 21:34:
> All -
> 
>  I've got two 3750's acting in an HSRP failover environment for some
> critical services.
> 
> HSRP is running on a vlan interface.
> 
> We have a number of appliances that are dual-homed across the switches,
> living on the particular VLAN.
> 
> We've been experiencing an issue with one of our appliances, and the
> vendor
> has come back and asked us to filter out HSRP messages on the physical
> interfaces
> connected to their appliance.
> 
> 
> Is there a way to filter the HSRP messages from going out a switchport?
> 
> They're currently configured with portfast and bpdufiltering enabled.
> 
> 
> Thanks.
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