ppp, diald, and eql, is this possible?

ppp, diald, and eql, is this possible?

Post by Jeffrey Less » Wed, 11 Dec 1996 04:00:00

In March I will be putting together a workshop (see
http://ibgwww.colorado.edu/twins97/ if you really care what it's
about) at an off-site location.  I intend to provide Internet
connectivity over a pair of dialup lines through a Linux based machine
routing to an ethernet based subnet.  Subnetting, IP forwarding, files
serving, etc. aren't a problem.  I believe the most efficient way of
using the two lines is with the eql load balancing driver, and then
running ppp over the balanced line.

The only thing I am concerned about is insuring that the connection
stays up 24/7.  For several other remote locations I use diald with a
great deal of success.  No matter how often connections die, they
always resume within a few minutes.

Is it possible to use diald to keep up a pair of eql'ed lines?  I
would want to automatically be able to redial either connection when
it went down.  If not diald, is there another program that will redial
a line when it goes down and work in harmony with eql?

Or should I consider a different load balancing mechanism than eql?  I
have been told that gated can do load balancing across two interfaces
to the same network, but I couldn't find much about it in the
documentation; how is this achieved with gated?

Any opinions from folks more experienced in these things than myself
would be greatly appreciated.

Jeff Lessem.


1. diald and eql mlppp

I have diald and eql (multilink ppp, analog modems) working independently,
but I'm not clear how they would work together. diald watches the virtual
sl0 interface for activity, and in order for eql to work the default route
needs to be directed at eql.. anyone have a solution for this problem?

- lv

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