On Sat, 2007-12-01 at 14:47 -0800, Tom Eastep wrote:
> Chuck Kollars wrote:
>
> > What do other folks who have more than one ISP and
> > static IP addresses do?
>
> While I don't feel that the redundancy of a second ISP is worth the cost
> for me personally, if I had two uplinks I would:
>
> a) Have two external NICs in my firewall; one for each ISP
> b) Describe both as 'optional' in /etc/shorewall/providers
> c) Specify 'balance' on both (why not?)
> d) If one of the links goes down, simply take the interface down
> (ifdown) and restart Shorewall.
Of course, this works for outbound traffic only.
Since you mentioned a static IP, Toms other comment still stands. The
rest of the Internet will not suddenly start routing their traffic
differently. This applies mainly, in case DNS resolves to that (primary
ISPs) static IP and you are running publicly accessible services in your
network (MX, http, etc).
karsten
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