Re: [VRRPv3] MAC Address != IPv4 MAC Address

Hi all,

just to come-back on my previous email. The main issue with this VRRPv3 
draft and the fact that too much ressources are required is:
  - assume you are doing both VRRPv2 and VRRPv3 on the same physical 
Ethernet Interface ei0,
  - assume that it is for the same VRID = 7.
Then, depending on some implementations it means that ei0 will have 2 
mac addresses:
  - 00-00-5E-00-02-07
  - 00-00-5E-00-01-07

So, for this case you have two exclusif options:
  - either we provide VRRPv2 for the LAN
  - xor either we provide VRRPv3 for the LAN
but you cannot provide both.

We do not have this kind of issue with our implementation, but we double 
the ressources. I was wondering about your experiences with these 2 VMAC 
addresses when you deploy both VRRPv2 and VRRPv3 on a same LAN.

It would be just more simple to have the same MAC address for VRRPv2 and 
VRRPv3.

Regards,
  Vincent


Vincent Jardin wrote:

> Hi,
>
> I have been surprised to see that the source MAC address for VRRPv2 
> and VRRPv3 are not the same.  I do not see any good reason. Please 
> could it be clarified ?
>
> Virtual Router MAC Address of VRRPv3
>  00-00-5E-00-02-{VRID}
> versus
>  00-00-5E-00-01-{VRID}
>
> It would be more simple to have a same MAC address for the same VRIDs. 
> It just requires more ressources to duplicate it.
>
> Thanks,
>  Vincent
>


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