[ale] Routing and failovers

Sergio Chaves sergio.chaves at gmail.com
Thu Jul 9 09:30:56 EDT 2015


Wouldn't Network Bonding work for you? Check the active-backup setup.
http://wiki.centos.org/TipsAndTricks/BondingInterfaces


On Thu, Jul 9, 2015 at 12:05 AM, Alex Carver <agcarver+ale at acarver.net>
wrote:

> Anyone have experience setting up dual WANs for failover (my guess is
> there's a couple of you or I wouldn't really email the list ;) ).
>
> I'm thinking about putting in a cellular modem at home to act as a
> secondary/backup WAN link for critical functions (alert emails, security
> system access) in case the primary WAN (DSL) drops.  I don't want
> traffic going over that link unless the DSL is dead so this is a true
> failover rather than a load balance (or I suppose it's a load balance
> with a ratio of infinity weighted towards the DSL)
>
> My first thought was to use something like a Ubiquiti EdgeRouter Lite
> (maybe need to go to the EdgeRouter 8, not sure) with two WANs
> configured and then the NAT and public assignments behind the third
> port.  It appears EdgeOS can do two WANs but it's not clear from what
> I've been able to dig up so I wanted to find out if there are
> other/better options or suggestions.
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