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Two modems question

Posted on 1998-06-23
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Last Modified: 2010-04-20

 Can someone clear up something for me ?
 
 - In Linux to bond two modems at the same IP you need to dial twice or you need to dial once?

 - If you dial twice does this require the owning of a multi-line phone service at my phone?

 - Will my ISP will recongnize me and give the same IP over two modems?

 - What software(XWindows is preferred) should I use?

 - And finally what are my steps in brief(Read HOWTO is not acceptable as an answer) I should follow to make this bonding ?

  /--\
 (o)(o)
   ||
   == .............. THANX .......
 
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Question by:mega_tron
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4 Comments
 
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Expert Comment

by:richrussell
ID: 1637397
I assume you are trying to do 'Multilink PPP', which requires two phone numbers - one for each modem. Windows NT RAS supports this, so it's possible that your ISP may support it.

I think you will have to recompile the kernel with the appropriate options enabled, but I'm not sure whether any of the standard kernels support it.
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Expert Comment

by:rbr
ID: 1637398
Kernel 2.0.34 supports a simultanios link over 2 modems. Recompile the kernel with the correct option.
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Author Comment

by:mega_tron
ID: 1637399

 rbr,

 As long as I know so far about my Linux is: Slackware Linux version 2.0.30 which kick me out of the game. I say it kicks me out of the game because of the fact that I have never compiled kernel in my machine.
 It should be done from the 2.0.30 as long as this term is not new to the Linux world.
 However I can manage to find a new kernel but my QUESTION(S) are listed above.
 Here they are:

- In Linux to bond two modems at the same IP you need to dial twice or you need to dial once? ==> already answered ...

 - If you dial twice does this require the owning of a multi-line phone service at my phone? ==> richrussell above answered above this one but it is not yet confirmed if this is true!
 

 - Will my ISP will recongnize me and give the same IP over two modems? ==> partially answered ...(need more)

 - What software(XWindows is preferred) should I use? ==> remain un-answered ...  

 - And finally what are my steps in brief(Read HOWTO is not acceptable as an answer) I should follow to make this bonding? ==> At this momment this part is answered halfway => any suggestions, configurations I should make or just compile the kernel for "what" -- meaning "be specific"

 thank you,
 
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Accepted Solution

by:
m4rc earned 0 total points
ID: 1637400
[ i stole this from  The Answer Guy By James T. Dennis, jimd@starshine.org ]

"
Ahh... that would be the EQL option in the kernel. Here's an excerpt from the 'make menuconfig' help
     pages (in the 2.0.27 kernel sources):

     Linux Kernel v2.0.27 Configuration

     EQL (serial line load balancing) support:
     If you have two serial connections to some other computer (this usually requires two modems and two
     telephone lines) and you use SLIP (= the protocol for sending internet traffic over telephone lines) or
     PPP (= a better SLIP) on them, you can make them behave has to be supported at the other end as
     well, either with a similar EQL Linux driver or with a Livingston Portmaster 2e. Say Yes if you want
     this and read drivers/net/README.eql.

     So that file is :
     EQL Driver: Serial IP Load Balancing HOWTO
     Simon "Guru Aleph-Null" Janes, simon@ncm.com
     v1.1, February 27, 1995
"
i would be willing to hazard the following as well:

 - yes, you will need two phone lines in your house, the point is to use both modems at once to increase the bandwidth.

 - you may not (prolly wont?) be able to do this with your ISP, it has to be allowed and set up to do this on their end as well, ask them about it.  
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