[c-nsp] ip helper-address redundancy on Catalyst 6500?

Shimol Shah shimshah at cisco.com
Mon Nov 8 14:38:17 EST 2010


Last I had looked at this Dec 09, it was not on the road-map for the 6k.

Have you Cisco Account Team check with the product PM to see if that has 
changed. If it has not and you need it then have them submit a 
feature-request for it - with a business case etc

Shimol

On 11/8/10 2:18 PM, David Coulthart wrote:
> After years of abusing our DHCP servers with both the active&  standby HSRP routers forwarding DHCP requests, today I stumbled across information about "UDP Forwarding Support of IP Redundancy Virtual Router Group" [1].  Having only the active router forward DHCP requests sounds fantastic.  So I went onto our test Catalyst 6500 and tried to configure "ip helper address<XXX.XXX.XXX.XXX>  redundancy<vrg-name>", but the redundancy keyword is not recognized.  We're running 12.2(33)SXH7 on our 6500s.  According to the doc support for this feature was added in 12.2(15)T, but I don't know if/how that translates to the SX train.  Does anyone have this working on a 6500?  If so, what software version?  Or if it's not currently supported on the 6500s, has anyone heard if it will be coming to the 6500s?  While I'm at it, does anyone know if the Nexus 7000 has a feature similar to this?
>
> Thanks,
> Dave Coulthart
>
> 1.  http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ftudpvrg.html
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