[Linux-cluster] LVS-DR question

[Greg Hellings]

Thank you.  That directly answers my question.  BTW, I am doing the lo:0
trick with 
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2

And it works great.

--
Greg


On 10/27/08 11:06 AM, "Lon Hohberger" <lhh at redhat.com> wrote:

> On Fri, 2008-10-24 at 15:41 -0700, Greg Hellings wrote:
>> Does anyone know if the VIP in a LVS-DR config has to be on the same subnet
>> as the RIP?  
> 
> If I understand the question....
> 
> Yes.  All realservers and the director's VIP need to be on the same
> subnet.
> 
> I usually put the VIP on the realservers' public NICs and use
> arptables_jf to prevent the VIPs from sending/receiving ARP requests for
> the VIP.
> 
> One trick you can do lets you put the VIP on the realservers on lo:0,
> but I've never done it.  Either way, the realservers' "real" IP needs to
> be on the same subnet as the VIP.
> 
> -- Lon
> 
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