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Webcast-Catalyst9k
New Member

Multiple vlans with single HSRP instance

HI all,

Can anyone please explain what will be effect configuration of multiple vlans with a single HSRP instance ??

will it be better than separate HSRP instance for separate vlans ? In terms of CPU usage which method  is better ??

thanks ,

Selva

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Accepted Solutions
VIP Super Bronze

Multiple vlans with single HSRP instance

Hi,

How are you planning to do that?  You can't have multiple subnets an the same SVI unless you are planning to use secondary addresses.  Best practice is to use one HSRP id per vlan.

HTH

3 REPLIES
VIP Super Bronze

Multiple vlans with single HSRP instance

Hi,

How are you planning to do that?  You can't have multiple subnets an the same SVI unless you are planning to use secondary addresses.  Best practice is to use one HSRP id per vlan.

HTH

New Member

Multiple vlans with single HSRP instance

Hi reza ,

Thanks for your response .

Can you please clarify one doubt?

My hardware supports only 256 hsrp groups but i have 400 vlan which need to be configured on hsrp ?

So if i am using multiple vlans in a same hsrp group is it possible for me to configure hsrp for all interface vlans ??

wiil it create hevay load CPU ???

and onr more thing

Is it possiblr to configure multiple VLANS with single instance of GLBP ??

thanks again

selva .

Cisco Employee

Multiple vlans with single HSRP instance

Selva,

http://www.networking-forum.com/viewtopic.php?t=25930

Similar question is posted on the above link. This can help you.

Regards

Inayath

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