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ADSL modem disconnecting every 5 minutes

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Hi all.

I connected to internet using adsl modem with pppoe.
The problem is that i get disconnected every 5 minutes (approximately)
of idle time.
Connection details:
---------------------------------------
root:/etc/ppp# cat options | grep ^[^#]
asyncmap 0
auth
crtscts
lock
hide-password
modem
proxyarp
lcp-echo-interval 30
lcp-echo-failure 4
noipx
persist
----------------------------------------------
root:/etc/ppp# cat peers/dsp-provider | grep ^[^#]
noipdefault
usepeerdns
defaultroute
hide-password
lcp-echo-interval 20
lcp-echo-failure 3
connect /bin/true
noauth
persist
mtu 1492
noaccomp
default-asyncmap
plugin rp-pppoe.so eth0
noproxyarp
user "xxx"

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Re: ADSL modem disconnecting every 5 minutes

Submitted by pinniped on Wed, 2008-07-23 06:11.

Switch to 'root' in a shell and look at the PPP messages in /var/log/messages; the cause of the disconnect should be logged.

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by nopnopnop on Wed, 2008-07-23 14:21.

This is the the /var/log/messages "before" and "after":

/******************************************************/
/* BEFORE - has interner */
root:/var/log# grep 'ppp' messages
Jul 23 21:43:15 boxx pppd[2269]: Terminating on signal 15
Jul 23 21:43:15 boxx pppd[2269]: Connect time 0.8 minutes.
Jul 23 21:43:15 boxx pppd[2269]: Sent 142 bytes, received 1207 bytes.
Jul 23 21:43:15 boxx pppd[2269]: Connection terminated.
Jul 23 21:43:15 boxx pppd[2269]: Exit.
Jul 23 21:43:20 boxx pppd[3247]: Plugin rp-pppoe.so loaded.
Jul 23 21:43:20 boxx pppd[3248]: pppd 2.4.4 started by root, uid 0
Jul 23 21:43:20 boxx pppd[3248]: PPP session is 2375
Jul 23 21:43:20 boxx pppd[3248]: Using interface ppp0
Jul 23 21:43:20 boxx pppd[3248]: Connect: ppp0 <--> eth0
Jul 23 21:43:22 boxx pppd[3248]: PAP authentication succeeded
Jul 23 21:43:22 boxx pppd[3248]: peer from calling number 00:02:3B:02:2F:32 authorized
Jul 23 21:43:22 boxx pppd[3248]: local IP address 77.125.93.48
Jul 23 21:43:22 boxx pppd[3248]: remote IP address 77.125.88.254
Jul 23 21:43:22 boxx pppd[3248]: primary DNS address 80.179.52.100
Jul 23 21:43:22 boxx pppd[3248]: secondary DNS address 80.179.55.100
/************************************************************************/
/* AFTER - no internet ... */
root:/var/log# grep 'ppp' messages
Jul 23 21:43:15 boxx pppd[2269]: Terminating on signal 15
Jul 23 21:43:15 boxx pppd[2269]: Connect time 0.8 minutes.
Jul 23 21:43:15 boxx pppd[2269]: Sent 142 bytes, received 1207 bytes.
Jul 23 21:43:15 boxx pppd[2269]: Connection terminated.
Jul 23 21:43:15 boxx pppd[2269]: Exit.
Jul 23 21:43:20 boxx pppd[3247]: Plugin rp-pppoe.so loaded.
Jul 23 21:43:20 boxx pppd[3248]: pppd 2.4.4 started by root, uid 0
Jul 23 21:43:20 boxx pppd[3248]: PPP session is 2375
Jul 23 21:43:20 boxx pppd[3248]: Using interface ppp0
Jul 23 21:43:20 boxx pppd[3248]: Connect: ppp0 <--> eth0
Jul 23 21:43:22 boxx pppd[3248]: PAP authentication succeeded
Jul 23 21:43:22 boxx pppd[3248]: peer from calling number 00:02:3B:02:2F:32 authorized
Jul 23 21:43:22 boxx pppd[3248]: local IP address 77.125.93.48
Jul 23 21:43:22 boxx pppd[3248]: remote IP address 77.125.88.254
Jul 23 21:43:22 boxx pppd[3248]: primary DNS address 80.179.52.100
Jul 23 21:43:22 boxx pppd[3248]: secondary DNS address 80.179.55.100
root:/var/log#

/******************************************************/

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by pinniped on Fri, 2008-07-25 05:22.

Is "Terminating on signal 15" really the first pppd message after "secondary DNS address ..."?

I would have expected some other message indicating why a 'signal 15' was sent.

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by nopnopnop on Fri, 2008-07-25 09:32.

I executed "poff -a" before. It sends this signal to pppd.
After this i executed "pon dsl-provider".

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by pinniped on Fri, 2008-07-25 16:53.

We need the log of ppp disconnecting without 'poff' - if you run 'poff' that's absolutely useless because you're interfering with ppp and not demonstrating the problem.

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by nopnopnop on Sun, 2008-07-27 15:20.

After this (poff -a) i did 'pon dsl-provider'. This brings connection up, so i can use internet. I saved
output of 'grep ppp /var/log/messages > /tmp/ppp.before'. After couple of minutes i lost connection.
I did 'grep ppp /var/log/messages > /tmp/ppp.after' and 'diff /tmp/ppp.before /tmp/ppp.after' - it's the same...

But i found something in the log:

Quote:

Jul 26 19:41:10 boxx pppd[18484]: LCP terminated by peer
Jul 26 19:41:10 boxx pppd[18484]: Connect time 0.2 minutes.
Jul 26 19:41:10 boxx pppd[18484]: Sent 0 bytes, received 0 bytes.
Jul 26 19:41:13 boxx pppd[18484]: Connection terminated.
Jul 26 19:41:13 boxx pppd[18484]: Modem hangup
Jul 26 19:41:24 boxx pppd[18484]: Terminating on signal 15
Jul 26 19:41:24 boxx pppd[18484]: Exit.

Any ideas ?

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by pinniped on Sun, 2008-07-27 17:07.

Is there something before the 'LCP terminated by peer'? The reason for dropping the connection is usually given.

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by nopnopnop on Mon, 2008-07-28 16:03.

Nothing suspisious ...

Quote:

Connect: ppp0 <--> eth0
pppd[18484]: PAP authentication succeeded
pppd[18484]: peer from calling number xx:xx:xx:xx:xx:xx authorized
pppd[18484]: local IP address xx.x.xx.xx
pppd[18484]: remote IP address 212.199.26.123
pppd[18484]: primary DNS address 80.179.52.100
pppd[18484]: secondary DNS address 80.179.55.100
pppd[18484]: LCP terminated by peer
pppd[18484]: Connect time 0.2 minutes.
pppd[18484]: Sent 0 bytes, received 0 bytes.
pppd[18484]: Connection terminated.
pppd[18484]: Modem hangup
pppd[18484]: Terminating on signal 15
pppd[18484]: Exit.

»

Re: ADSL modem disconnecting every 5 minutes

Submitted by pinniped on Tue, 2008-07-29 03:46.

That's a very rude peer, disconnecting you without a message giving the reason. It is probably a timeout; you will have to ensure that a packet which counts as 'data' is sent before the timeout period; obviously those LCP packets aren't counted. Maybe a simple 'ping' to another machine might do, but ICMP packets are also often ignored.

»
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