HSRP Multiple Group Optimization on SVI

[prasany@sg.ibm.com]

Hi There,

  I am trying to optimize a network with 100+ SVI running HSRP with Multiple Group Optimization. When I try to implement it on the SVI there is an error message as below.

% Warning: Named group "XYZ" is on a different major interface.

Is there any limitation on implementing group optimization at interface vlan?

Thanks

Prashanth

[loris.marcellini]

Hello,

I would suggest to post the chunk of config you are having problems with next time :P

However, the problem seems to be related to the fact that the same HSRP group is configured on a SVI part of the same interface, as per what stated in: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/12-2sr/fhp-12-2sr-book/fhp-hsrp.pdf

"The same HSRP group number or HSRP MAC address cannot be configured on different subinterfaces of the same major interface."

Digging into the doc I have linked above I guess You'll find many more interesting things about FHP.

Hope this helps, L.

[prasany@sg.ibm.com]

Hi Loris,

  Tks for the reply. Below is the command used.

interface Vlan9
 ip address 10.50.0.2 255.255.255.0
 standby version 2
 standby 9 ip 10.50.0.1
 standby 9 preempt
 standby 9 name XYZ
!
interface Vlan15
 ip address 10.100.0.2 255.255.255.0
 standby version 2
 standby 15 ip 10.100.0.1
 standby 15 follow XYZ

When I execute the last command

standby 15 follow XYZ

I got the error message that I had posted. I had simulated this on GNS3 and I don't see any issue if I apply under sub interface. So want to confirm whether there is limitation in applying slave command to an interface vlan.

Thanks

Prashanth

[loris.marcellini]

I believe the interested interface Vlans are trunked on the same physical interface, are they?

Thanks, L.

[prasany@sg.ibm.com]

Yes The two switches are connected using trunk link

Regards
Prashanth