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Re: Keepalived VRRP & aliased interfaces

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Keepalived VRRP & aliased interfaces
From: Horms <horms@xxxxxxxxxxxx>
Date: Fri, 9 Sep 2005 11:21:49 +0900
On Thu, Sep 08, 2005 at 10:40:17AM -0700, Ian Eure wrote:
> 
> On Sep 7, 2005, at 4:13 AM, Joseph Mack NA3T wrote:
> 
> >On Tue, 6 Sep 2005, Ian Eure wrote:
> >
> >
> >>Hello,
> >>I'm setting up keepalived in an active/passive setup. My active  
> >>director has VIPs on aliased interfaces; they are all aliases of  
> >>eth1. Does keepalived care about the aliased interfaces?
> >>
> >
> >Aliases were deprecated with the arrival of 2.4 kernels. I expect  
> >you can get Keepalived to with with aliases, but it would be better  
> >to use the native mode. You should use the iproute2 tools for  
> >everything except leaf nodes now.
> >
> Ok. I see that alias interfaces seem to be implemented the same as if  
> I did `ip addr add,' so I think I should just be able to use the  
> master interface name in the VRRP config, and worry about migrating  
> things over later.
> 
> Do I need any special setup on the passive director? Can I just bring  
> eth1 up with no IP and let keepalived handle the rest?

That should be fine, though to be honest keepalived should be able to
handle bringing the interface up and down as needed, and if it can't it
should be easy enough to add.

-- 
Horms

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