The DNS should switch over with the fail
BUT if you use an ISP DNS server then it may not be available from an IP
address that does not belong to the ISP. If your second link is not with the
same ISP (good Idea for redundancy) then you will have to look at DNS that can
be reached from both networks.
Free ones exist but they tend to pay for themselves using a search page to
replace the "Not Found" when a name is incorrectly typed by a user.
Alternatively you can name both ISP servers (and add a static route for the
backup DNS server so it is always seen while the link is up or you may get some
performance issues)
Or you can run your own DNS and do the lookup yourself!
Rob
----- Original Message -----
From: "Alexsander Loula" <[email protected]>
To: [email protected]
Sent: Tuesday, 24 March, 2009 12:20:52 GMT +00:00 GMT Britain, Ireland,
Portugal
Subject: Re: [pfSense Support] Multi-WAN with Fail Over
I'll try to do it this night (GMT -3:00).
2009/3/23 Chris Buechler < [email protected] >
On Mon, Mar 23, 2009 at 10:13 PM, Chuck Mariotti < [email protected] >
wrote:
> Alex, I share your pain. I’m not a pf guru, but I can’t seem to get this
> working either…
>
>
>
> I have managed to get the Load Balancer Status to turn Green/Yellow/Red as
> expected when I unplug a connection. But the internet get’s all wonky… as if
> DNS isn’t working, old records seem to work, some pages take forever, etc...
>
You have to add a static route to push one of the DNS servers over the
second WAN.
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