[c-nsp] HSRP/VRRP/GLBP Dual Stack on Cat6500/Sup720 3BXL?

Vinny_Abello at Dell.com Vinny_Abello at Dell.com
Thu Feb 28 13:36:26 EST 2013

Thanks for the info Phil!


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Phil Mayers
Sent: Thursday, February 28, 2013 1:17 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] HSRP/VRRP/GLBP Dual Stack on Cat6500/Sup720 3BXL?

On 28/02/13 18:10, Vinny_Abello at Dell.com wrote:
> Hello,
> Is there dual stack support in any redundancy protocol
> (HSRP/VRRP/GLBP) on the Catalyst 6500 with a Sup720 3BXL? If so,
> which protocols are supported and beginning in what IOS releases?

Yes. HSRPv2 is supported in SXI releases (possibly earlier; read the 
release notes)

You need to toggle the standby version globally (which changes the HSRP 

int VlanX
   standby version 2
   standby 1 ip x.x.x.x
   standby 2 ipv6 autoconfig

Works fine.
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