Re: freebsd 10.0 not work carp protocol on Hyper-v

2014-03-04 Thread Mark Felder

On Mar 4, 2014, at 11:43, Maurizio Marini  wrote:

> "But shouldn't the CARP state go to "master" anyway, even if it couldn't find 
> a
> live partner due to network/Hyper-V problems?"
> 
> this is the question, forget network/Hyper-V problems, CARP should go MASTER
> anyway


I will have to test again in that XenServer environment soon but I believe it 
also stayed INIT there unless you forced it to MASTER. I could be wrong, though.

You're right though -- it should go to MASTER if it can't talk to the other 
members.
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Re: freebsd 10.0 not work carp protocol on Hyper-v

2014-03-04 Thread Mark Felder

On Mar 4, 2014, at 10:11, Giovanni Mattera  wrote:

> Yes i test it but not work
> The CARP protocolol remain in state INIT.
> 

That's unfortunate. If you do a packet dump do you even see the other node's 
advertisements?

CARP is really at the mercy of these half-baked virtual switches; if they 
refuse to pass the traffic there's not much that can be done from the 
virtualized guest's perspective. I don't know the procedure for opening a 
support case with Microsoft but if that's an option it would be nice to know 
what their response is.

I did run into this a while back on XenServer and wondered if it would be 
possible to work around it by doing a GRE tunnel between the two nodes and 
doing CARP over that, tying it all in with scripts that are called by devd 
events. I have not had time to experiment and see if you can do multicast over 
GRE tunnels though and it's probably a very bad idea.
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Re: freebsd 10.0 not work carp protocol on Hyper-v

2014-03-04 Thread Mark Felder
Did you try to enable spoofing of MAC Addresses in HyperV?

http://vbry21.wordpress.com/2012/07/03/fixed-in-a-tick-solving-mulicast-issues-in-hyper-v-vms/
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