[c-nsp] 3750 HSRP question

[Michael K. Smith - Adhost]

Hello Leif:

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Leif Sawyer
> Sent: Thursday, November 13, 2008 11:34 AM
> To: cisco-nsp
> Subject: [c-nsp] 3750 HSRP question
> 
> 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.
> 
HSRP uses multicast address 224.0.0.2 so you could filter out that IP on the appliance-facing ports.

Regards,

Mike
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