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Hello to all "drak" specialists,

where would I have to start digging to enable not one but two (dynamic) interfaces for Internet sharing?

In my setup there is a PPPoE DSL connection and a 4G modem, both active on demand only. The respective interfaces are ppp0 and wwp0s20u2i3 (formerly known as wwan0 - oh those wonderful new IF names !!).

It's a NAT thing I suppose; on my previous router (home-brewn, Mandriva) the job was done by "Arno's Firewall" script which was able to enable the NAT translation for both interfaces.
Now my question is: can I do it by tweaking the drak scripts? If so, which one?

What do you want to accomplish? Load sharing? Failover?

In your position, I would start by studying the bonding device. In fact, that is how I usually set such things up.

https://www.kernel.org/pub/linux/kernel ... onding.txt

jiml8 wrote:What do you want to accomplish? Load sharing? Failover?

Nothing fancy at all; the reason is simply that my DSL is relatively slow but flat rate, whereas my 4G is fast but metered. So I change between both according to the purpose.

Thanks for the hint about the bonding device. It looks like it's ethernet-only though.

I'm looking at the drakgw code right now.

Yes, of course it is ethernet. What do you think is getting transported across your DSL and your wifi connections?

It's just that the actual network interface for the DSL connection - the one that is relevant for the NAT - is PPP ...

Anyway, I have succeeded - the solution is as simple as adding annother line to /etc/shorewall/masq with the respective interface. Works immediately after restarting shorewall.

Should be easy to extend drakgw in order to add that feature. Maybe I'll play around a bit ...

ppp will open a networking device. On linux, I believe it is ttyACMN where N is 0, 1, 2, etc. On FreeBSD, it is tunN.

You address that device like any other networking device. ppp handles the protocol and encapsulates the ethernet frame.