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2 adsl lines into 1 lan

Posted on 2006-11-16
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Last Modified: 2013-12-14
Hi Guys

I want to know if this can be acheived

I currently have a 16mb llu connection and can get another 16mb from another isp

what I want to is say use 1 16mb llu line from er dodgy stuff! and the other for proper stuff

I know there are dual wan routers but how could I achieve that
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Question by:IanTh
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by:ElrondCT
ID: 17961429
If there are specific IP addresses that you want to handle through one particular connection, then you can assign persistent routes for them through the appropriate line. However, I'm not aware of a way, from a single computer, to specify with each request to the Internet, "This should go via line 1," or, "This should go via line 2."

I'm not sure of the purpose of your request anyway. Is it that you don't want the usage of "dodgy stuff" to slow down access for regular usage? If you can explain your goal, there may be another way to handle it. How many computers are involved with the whole setup?
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by:IanTh
ID: 17963226
line 1 with no fup for dodgy

 er plenty of it ;-)

line 2 with fup for watching tv over ip and cosher downloads etc
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by:ElrondCT
ID: 17965258
I'm not familiar with the term "fup." Again, I don't know of any way for your computer to specify that random Internet connections go to one line vs. another, though you can do it for a particular set of IP addresses.
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by:IanTh
ID: 17966086
fup = fair usage policy
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by:ElrondCT
ID: 17966163
OK, but I'm still not understanding what your actual goal is. Why do you want some activity on one line and some on the other? Is this to make sure non-business usage doesn't slow down business usage? Are you trying to protect against malware? How many computers are going to be involved? Are you trusting that the users will switch their computers to the correct connection at the appropriate time, or do you want a way to force certain usage in certain directions? If the latter, how can the computer distinguish between them?
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by:IanTh
ID: 17966629
use my non fup 16mb line for stuff that would normally go against fair usage such as torrents and use my fup'd 16mb line for everything else email normal web browsing

oh and sometimes use both lines together to give me 32mb - 48mb adsl !
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by:ElrondCT
ID: 17966879
You only half-answered one question out of the five I asked. You told me what you want to do (which you'd said before), not what your purpose is, and you didn't answer any of the other questions. Without answers to the other questions, I don't know what advice to give you. My point is that what you're asking for may or may not be the best way to accomplish what your true purpose is, but I can't determine that without understanding your situation better. And even if what you're asking for is the best method, I can't tell you how to implement it without understanding your situation better.
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by:IanTh
ID: 17971727
my goal is to use line 1 for torrents and dodgy downloads as line 1 has no fair usage policy and use line to that has a fair usage policy for all email and normal downloads. This is because line 1 is affectively free and linbe 2 costs me £10 per month. Torrents usually count against fair usage oh and traffic shaping which is why I want to use them on line 1 as no fair usage policy or traffic shaping is in place. Line 2 has a fair usage policy so I don't want to do torrents on line 2 but i still want to do torrents.

so line 1 and line 2 both go into a dual wan router but then I want to use different gateways for email some web and torrents

how do I configure the software to allow this
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by:ElrondCT
ID: 17973424
I think what you'll want to do is actually rather similar to another question I just answered: http://www.experts-exchange.com/Networking/Broadband/DSL_Cable/Q_22060769.html. This was talking about how to set up two separate network connections, one going to a local network, the other being for general Internet use. If you have specific addresses that should go via one connection or another, you can use the "route add" command to assign the destination IP address to a specific gateway. (That question dealt with using two separate network adapters on the computer, which were connected to two different networks, but I think the same principles would apply in your case with a single network adapter that has two gateways available.)

In addition to that, pseudocyber added a note at the end of the thread showing how to set up a script (batch command file) that switches all activity (optionally excluding certain IP addresses) from one gateway to another.

I don't know if torrents has a specific IP address; if it doesn't, then trying to keep all that activity on line 1 could be a challenge. It would probably be simple to assign your email to line 2, since that would certainly have a specific IP address.
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by:IanTh
ID: 17982627
well is it easier to use two nics with one having line1's settings and another using line2's settings and using pseudocybe's script to change it when I wanted to switch
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ElrondCT earned 500 total points
ID: 17982682
I think you should be able to do that with a single NIC, just switching between the gateways using the script more or less as pseudocyber shows.
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