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

Phil Mayers p.mayers at imperial.ac.uk
Thu Feb 28 13:17:29 EST 2013

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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