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HSRP on SVI running both IPV4 & IPV6 (dual stack)

Hi,

interface Vlan100
 standby version 2
 ipv6 address x:EA00:3561:1:x:246:236:102/125
#
(config-if)#standby 100 ipv6 ?
X:X:X:X::X IPv6 link-local address
X:X:X:X::X/<0-128> IPv6 prefix
autoconfig Obtain address using autoconfiguration

(config-if)#standby 100 ipv6 x:ea00:3561:1:x:246:236:103
% Incomplete command.

(config-if)#standby 100 ipv6 x:ea00:3561:1:x:246:236:103/128
% Group configured for different address family

How should I do?

Thank you very much.

2 REPLIES 2
Seb Rupik
VIP Advisor

Hi there,

Although you don't show it in your config, it looks like you are sharing the standby group number between both protocols. You should for example use standby 99 for IPv4 and standby 100 for IPv6:

 

!
int vlan100
  standby 99 ip 192.168.1.254
  ..
  standby 100 ipv6 2001::aaaa:1/64
  ..
!

cheers,

Seb.

 

Oh, I see nexus-os can use same number. Can't for IOS?

 

Thank you very much.