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Old 08-15-2008, 09:40 AM   #1
crutch52
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Registered: Mar 2008
Posts: 9

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Telstra Bigpond connection via Sierra aircard 880U


Hi, I have had this modem working for months without any problems now (well, at least after finding out how to get it started), But the connection recently decided to stop working. The modem still dials up as it is supposed to, but I cannot access any web pages (or do anything else on the internet). The modem is flashing as it is supposed to.

This occurs regardless of which distribution I use (Ubuntu, Linux Mint, OpenSUSE), whether I use kppp, network manager or KInternet, and is the same for different web browsers. Everything works normaly in Windows however (Which is why I can post this)

Here is a sample of what happens in the system log when I try to log in using Ubuntu and kppp (My usual method)

Aug 14 18:00:48 xxxxx-laptop kernel: [ 170.601593] PPP generic driver version 2.4.2

Aug 14 18:00:48 xxxxx-laptop pppd[6849]: pppd 2.4.4 started by bruce, uid 1000

Aug 14 18:00:48 xxxxx-laptop pppd[6849]: Using interface ppp0

Aug 14 18:00:48 xxxxx-laptop pppd[6849]: Connect: ppp0 <--> /dev/ttyUSB0

Aug 14 18:00:48 xxxxx-laptop pppd[6849]: CHAP authentication succeeded

Aug 14 18:00:48 xxxxx-laptop pppd[6849]: CHAP authentication succeeded

Aug 14 18:00:48 xxxxx-laptop kernel: [ 170.734814] PPP BSD Compression module registered

Aug 14 18:00:48 xxxxx-laptop kernel: [ 170.787080] PPP Deflate Compression module registered

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: Could not determine remote IP address: defaulting to 10.64.64.64

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: not replacing existing default route through eth0

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: Cannot determine ethernet address for proxy ARP

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: local IP address 138.217.128.243

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: remote IP address 10.64.64.64

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: primary DNS address 10.11.12.13

Aug 14 18:01:00 xxxxx-laptop pppd[6849]: secondary DNS address 10.11.12.14

Aug 14 18:01:17 xxxxx-laptop kernel: [ 200.227552] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31145 PROTO=UDP SPT=3285 DPT=46947 LEN=47

Aug 14 18:01:19 xxxxx-laptop kernel: [ 202.236355] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31148 PROTO=UDP SPT=3285 DPT=46947 LEN=47

Aug 14 18:01:23 xxxxx-laptop kernel: [ 206.248008] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31162 PROTO=UDP SPT=3285 DPT=46947 LEN=47

Aug 14 18:02:49 xxxxx-laptop kernel: [ 291.545113] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31227 PROTO=UDP SPT=8077 DPT=46947 LEN=47

Aug 14 18:02:51 xxxxx-laptop kernel: [ 293.551939] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31233 PROTO=UDP SPT=8077 DPT=46947 LEN=47

Aug 14 18:02:55 xxxxx-laptop kernel: [ 297.575568] Inbound IN=ppp0 OUT= MAC= SRC=122.49.179.246 DST=138.217.128.243 LEN=67 TOS=0x00 PREC=0x00 TTL=116 ID=31236 PROTO=UDP SPT=8077 DPT=46947 LEN=47

(I modified this slightly for privacy)
 
Old 08-16-2008, 12:22 AM   #2
GlennsPref
Senior Member
 
Registered: Apr 2004
Location: Brisbane, Australia
Distribution: Mageia Studio-13.37 Kubuntu.
Posts: 3,325
Blog Entries: 33

Rep: Reputation: 199Reputation: 199
Hi, I had similar probs with my vodafone connection and found that the nameserver was not found.

I use the same 10.64.64.64 internal addresses you mentioned above, with 10.11.12.13 etc.

I found that resolv.conf was changing the dns addresses each time I rebooted the machine.

I then re-set the /etc/resolv.conf manually and turned off resolvconf service from starting.

Quote:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 202.135.30.4
nameserver 203.2.193.67
nameserver 192.168.0.0
search GlennsPref.net
was being replaced by...

nameserver 127.0.0.1

or

Quote:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 10.11.12.13
nameserver 10.11.12.14
nameserver 192.168.0.0
search GlennsPref.net

Check yours and see...

Regards, Glenn

I got my address settings from the windows settings, as I can not access the modem like I would with a router.

Also, the 10.11.12.13 addresses are wins, and not the actual dns addresses(i think, works for me anyway).

Last edited by GlennsPref; 08-16-2008 at 12:29 AM.
 
Old 08-16-2008, 09:01 AM   #3
crutch52
LQ Newbie
 
Registered: Mar 2008
Posts: 9

Original Poster
Rep: Reputation: 0
Thanks!

GlennsPref, you're a genius. Rather than modifying resolv.conf however, I just specified some DNS addresses in kppp. This seems to have done the trick.
 
Old 02-06-2009, 07:17 AM   #4
exazonk
LQ Newbie
 
Registered: Feb 2009
Posts: 1

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I got it working by simply following the instructions here on the whirlpool net au site. Unfortunately I can't post the link here because I'm not allowed due to the spam policy

on Telstra.internet 3g 880U modem using kppp on Kubuntu 8.04
 
Old 02-06-2009, 05:36 PM   #5
GlennsPref
Senior Member
 
Registered: Apr 2004
Location: Brisbane, Australia
Distribution: Mageia Studio-13.37 Kubuntu.
Posts: 3,325
Blog Entries: 33

Rep: Reputation: 199Reputation: 199
You can post a link and much more after you introduce yourself.

Glad to see you got it going.

I might have to try the kppp dns too.

I still have a bunch of services turned off to facilitate my hack....

Cheers, Glenn
 
  


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