Re: Setting IPVS/LVS timeout in Keepalived

On Red Hat I would put that in /etc/sysconfig/keepalived even though
thats a kludge as well its at least a little cleaner.


On Thu, Dec 12, 2013 at 6:25 AM, Ville Törhönen <[email protected]> wrote:
> Hello.
>
> Is it possible to configure IPVS/LVS timeout values in the Keepalived
> configuration file? By default the TCP timeout values in the kernel LVS
> tables are as follows:
>
> - TCP sessions: 900 seconds
> - TCP sessions after receiving a FIN packet: 120 seconds
> - UDP packets: 300 seconds
>
> These values can be modified via 'ipsetadm --set', for e.g.
>
> $ ipvsadm --set 3600 120 300
>
> As expected, these modifications are not persistent and they are lost
> after system restart. If the current LVS configuration is printed out
> with 'ipsetadm-save -n', the timeout values aren't included. This makes
> it impossible to reload the timeout values with the ipvsadm init script.
>
> This has been discussed several times in the lvs-users mailing list. It
> has always come to a conclusion that LVS/IPVS is a framework and that
> the management application should do the configuring. I know that there
> are other ways to implement this, such as setting the timeout value in
> /etc/rc.local, but it's obviously a nasty kludge.
>
> Thanks,
> Ville
>
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