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New Member

can multi-interfaces share the same hsrp group id on the c6500?

case:

c6509A+msfc2 and C6509B+msfc3

configurating hsrp...

question:

msfc2 supports total 16 hsrp group id,however msfc3 256.How hsrp group Can configurate?How vlans can configurate inside the same group id?

3 REPLIES
Purple

Re: can multi-interfaces share the same hsrp group id on the c65

We have probably 70-80 vlans running hsrp and they all use the same group id of 1 . Never had a problem with this setup.

Re: can multi-interfaces share the same hsrp group id on the c65

Hi,

MSFC2 supports only 16 HSRP group duw to the limitaion on PFC2.The new MSFC3 supports 256 HSRP groups as you mentioned above.

The workaround to get over this problem is to use multiple Vlan interface to a single HSRP group like

Vlan1,3,5,7 in HSRP group 1

Vlan 2,4,6,8 in HSRP group 2.

It works perfectly as already pointed out by Glen.

HTH,

-amit singh

New Member

Re: can multi-interfaces share the same hsrp group id on the c65

I want to know how the hsrp works with the multi-interface inside the same group id ?

Sharing the same group id by multi-interfaces,that means multi-vlan share the same virtual hsrp mac address,how to communicate with the various vlans?

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