[Dnsmasq-discuss] MAN Page Link Broken? and redundancy question

richardvoigt at gmail.com richardvoigt at gmail.com
Sat Sep 5 02:21:31 BST 2009


On Fri, Sep 4, 2009 at 7:04 PM, Carlos Carvalho<carlos at fisica.ufpr.br> wrote:
> richardvoigt at gmail.com (richardvoigt at gmail.com) wrote on 4 September 2009 15:23:
>  >You could split the address pool into two and configure half on each.
>  >Then during normal operations there will be a race to offer an
>  >address, the client will accept only one.  If one fails, the other
>  >will continue offering addresses.  If one runs out of addresses, the
>  >other continues to work fine.  The only problem would be if one fails
>  >and the other runs out of addresses.
>
> Perhaps you can configure the full pool in both, provided you don't
> use no-ping. This way each server will send a ping and if it gets an
> answer it won't offer that address, even if it's not in its list of
> leases because the client chose the other server.

I wouldn't rely on the ping feature, you're almost certain to end up
with address conflicts any time one client becomes temporarily
unreachable for any reason (such as rebooting, etc, etc).

>
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