[ts-7000] RE: ts-7800 how do I make 4 (at least 2) identical network stacks?

[<>]

 I think the salient issue is that the four legacy boxes need to be on separate networks. Each of the ethernet interfaces can be a separate network. The four interfaces can be given four different addresses. The custom application (or any application at all; the magic will be done in the kernel with the iptables rules) talks to IP addresses which get trapped by rules which NAT/route the destination addresses to a specific interface. Any application can then talk to a specific IP address, but the kernel will route the traffic to a 10.1.1.xxx address on the correct interface. This is conceptually similar to using Linux to create a LAN-WAN router with port forwarding, except in this case, the WAN side is internal to the Linux host, and there are multiple LAN interfaces.

Totally do-able, but will take some fiddling to get the right rules.

---In <> wrote:

You can be a pro in some areas but not others. The guy admits his experience is only at the socket level. That's not enough for what he wants to do. Its not silly to be ignorant, it is silly to stay that way. BTW he's been given a lot of bad advice on this forum.
He will either have to hire help, or do a lot of work.
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On Mon, 11/4/13, Petr Štetiar <m("...","ynezz");">> wrote:

Subject: Re: [ts-7000] RE: ts-7800 how do I make 4 (at least 2) identical network stacks?
To: m("yahoogroups.com","ts-7000");">
Date: Monday, November 4, 2013, 2:14 AM

Jonathan Leslie <m("...","jleslie48");">>
[2013-11-03 06:30:51]:

> I'm confused,  I have to send messages to  two
different devices, both have
> address 1.1.1.101. The way I've done it in the past was
to set up two
> different IP stacks, with different SOCK.  I want to
repeat this on a
> TS-7800 only this time I need 4 different IP stacks as
I have 4 different
> devices 1.1.1.101.

What's so confusing in "Buy TCP/IP book and read it" ?

I don't know what a SOCK is neither I know what you've done
in the past.

What I know is, that you're kind of a silly guy, which is
calling himself a
Pro, but don't know even basic networking stuff. And as a
bonus point, you're
going to use USB ethernet in production...

Pro would buy OpenWrt capable 4-5 port router and would do
NAT with iptables.

-- ynezz


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