This is actually a problem with your ISP's equipment. Well, you may not
even be able to call it a problem, just a quirk of the protocol. Nothing
about ppp says that IP will only come up once per "session". In most
configurations the LCP only comes up once per session but that's the only
guarantee you have. What's happening is that the IP layer is being brought
up and down multiple times when you connect. The only thing you could do
would be to code around it somehow, like by writing and checking a
/var/run/XXX.pid to see if a message has already been sent for that
particular instantiation of pppd. If you're curious, turn on debugging in
pppd and look in the log files. Here's a sample IP-UP fragment.
if [ -e /var/run/ip-up-ppp.pid ]
then
lastpid=`cat /var/run/ip-up-ppp.pid`
newpid=`cat /var/run/ppp0.pid`
if [ $lastpid = $newpid ]
then
exit 0
fi
fi
cp /var/run/ppp0.pid /var/run/ip-up-ppp.pid
# and so on
Jay Barbee wrote:
> Hello all,
>
> I have a Debian 1.3.1 box running kernel 2.0.33 up and running. Not
> too long ago I added Diald so that I would not have to stay
> connected 24-7 to the internet. I am also using IPMasq All seems
> to work fine. Diald starts the connection when it is needed, but
> there are a few problem with it that I cannot figure out why they
> are doing what they are doing.
>
> My most puzzling problem is the ip-up script. I have my time synced
> and the IP address ftped to my .plan file of my Linux server at work
> in ip-up. Recently I thought it would be nice to add a little
> script that sends an epage to my pager informing me that the home
> system has connected and is online (and give the IP address). What I
> have noticed is for each connection ip-up is run several times for
> one connection.
>
> The day I set this up it sent out 4 pages back to back telling me
> about the same IP address. For the same connection. That was the
> worst case. Sometimes it is only 2 or 3 times a connection. It
> holds true for the ftping of the IP address to my work server. Once
> I looked in the xferlog at work I found a similar thing. Here is
> the latest entry:
>
> ---SNIP---
> Tue Jan 20 13:05:29 1998 1 ppp0151.remote.louisville.edu 15
> /home/jybarb01/.plan b _ i r jybarb01 ftp 1 root
>
> Tue Jan 20 13:07:01 1998 1 ppp0151.remote.louisville.edu 15
> /home/jybarb01/.plan b _ i r jybarb01 ftp 1 root
>
> Tue Jan 20 13:08:39 1998 1 ppp0151.remote.louisville.edu 15
> /home/jybarb01/.plan b _ i r jybarb01 ftp 1 root
> ---SNAP---
>
> As you can see, this transfer is only a couple of minutes apart from
> the same IP address. I have pppd setup to idle disconnect after 2
> mins.
>
> Does anyone know why this is working like it is? Does anyone have a
> recommendation to how to fix it?
--
Jens B. Jorgensen
[EMAIL PROTECTED]
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