Depends on the router..

Also the ISPs.

Don't count on getting automatic redundancy. Both ISPs have to agree to
it. Most won't. If they will, it will be big $$$.

We've got two ISPs, but if one goes down. We have to manually change our
public DNS to point to the backup.

Usually have to unplug the primary from our router/firewall also. Since
the router/firewall is connected to the ISP modem, as far as it's concerned
the primary is still up.

Outbound traffic could be directed out one interface or the other...but
it's not worth the trouble for us.


On Thu, Jul 14, 2016 at 3:08 PM, Jeff Crosby <jlcrosby@xxxxxxxxxxxxxxxx>

We're planning on adding another ISP for redundancy.

I'm under the assumption with redundant internet connections, that data
will be coming and going on both connections, simultaneously, all the time,
unless one of them is down. Am I right?

So if one of them is 50M/50M down/up and the other is 30M/30M down/up, what
we actually have is 80M/80M down/up. And this assumes our router has 2 WAN



Jeff Crosby
VP Information Systems
UniPro FoodService/Dilgard
P.O. Box 13369
Ft. Wayne, IN 46868-3369

The opinions expressed are my own and not necessarily the opinion of my
company. Unless I say so.
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