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Ken Hughes wrote:
> I hope someone out there can help with some routing issues that I have.
>
> I have a Linux computer running masquerading it has 4 network cards in it
> all are working fine. I have 2 internal networks forwarding packets between
> each using IPchains they are 192.168.1 and 192.168.2 I have a third network
> card on 192.168.3.1 connected to a 3com office connect ISDN modem
> masquerading 192.168.1 and .2 through it to the internet. This has been
> working fine for several years with no problems. I have just added the 4th
> network card to the Linux computer. It is connected to a wireless network
> that connects to the internet at a much higher speed. What I would like to
> do is be able to masquerade through this connection as my primary internet
> connection falling back to the ISDN automatically if the wireless fails. Is
> this possible and if so any help would be appreciated.
shoudl be easy. especially if you only want one masqueraded connection
operating at any given time (if you want both, you'll need to investigate
load balancing routing).
if you can set things up so that a script runs whenever the
wireless network connection goes down, get that script to run
another script that restarts your firewall/masquerading/routing
to use the idsn connection. similarly, when the wireless connection
comes back up, restart the firewall/masquerading/routing to use it.
raf
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