LARTC - May 2007 - Using multiple network interfaces (internet connections) separately

Hi,

I need a solution for this case:
I have a PC(as server) with 3 (or more) Ethernet ports and 3 (or more)
Internet access through each Ethernet interface. (from different ISP''s
and
with different IP''s of course)

I need to download files (using wget or whatever else) through each
interface (internet line) separately.
For example i need to download "file1" through eth1 (isp1),
"file2" through
eth2 (isp2) and so on.

How can i make this working? any iptables/iproute rules? any Idea?

Thanks in Advance,
-- 
Ali Sattari (AKA Ali ix)
http://corelist.net


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> Hi,
>
> I need a solution for this case:
> I have a PC(as server) with 3 (or more) Ethernet ports and 3 (or more)
> Internet access through each Ethernet interface. (from different
ISP''s and
> with different IP''s of course)
>
> I need to download files (using wget or whatever else) through each
> interface (internet line) separately.
> For example i need to download "file1" through eth1 (isp1),
"file2" through
> eth2 (isp2) and so on.
>
> How can i make this working? any iptables/iproute rules? any Idea?
>
> Thanks in Advance,
> --
> Ali Sattari (AKA Ali ix)
Ali ix,

This is an application for rules, in the iproute package.  how you
select packets
for which internet connection can, best, be done by iptables using
firewall marks.

The trick is, you can have only one default gateway, unless you use the multiple
gateway patch, which may not be necessary for what you''re talking
about.

The real question is: how do you plan on classifying traffic?
    * different hosts (IP''s) per gateway?
    * random selection of gateway, per TCP connection?
    * different types of traffic (Ports) per gateway?
    * certain domains (only) available on each gateway?

-Randy

Hi ,
I want to use the " * random selection of gateway, per TCP
connection?" ,i
can do it right now
but my

if  same remote site( ip ) always goto the same gateway,i think that is 
ip_route_cache problem or something  like this

how can I do ??

Kuolung

----- Original Message ----- 
From: "Randy Wallace" <randywallacejr@gmail.com>
To: <lartc@mailman.ds9a.nl>
Sent: Sunday, May 06, 2007 8:06 PM
Subject: [LARTC] Re: Using multiple network interfaces (internetconnections) 
separately

>> Hi,
>>
>> I need a solution for this case:
>> I have a PC(as server) with 3 (or more) Ethernet ports and 3 (or more)
>> Internet access through each Ethernet interface. (from different
ISP''s
>> and
>> with different IP''s of course)
>>
>> I need to download files (using wget or whatever else) through each
>> interface (internet line) separately.
>> For example i need to download "file1" through eth1 (isp1),
"file2"
>> through
>> eth2 (isp2) and so on.
>>
>> How can i make this working? any iptables/iproute rules? any Idea?
>>
>> Thanks in Advance,
>> --
>> Ali Sattari (AKA Ali ix)
>
> Ali ix,
>
> This is an application for rules, in the iproute package.  how you
> select packets
> for which internet connection can, best, be done by iptables using
> firewall marks.
>
> The trick is, you can have only one default gateway, unless you use the 
> multiple
> gateway patch, which may not be necessary for what you''re talking
about.
>
> The real question is: how do you plan on classifying traffic?
>    * different hosts (IP''s) per gateway?
>    * random selection of gateway, per TCP connection?
>    * different types of traffic (Ports) per gateway?
>    * certain domains (only) available on each gateway?
>
> -Randy
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