Internet suddenly stopped working :(

[kamalubuntu]

Hi all..
i am using Kubuntu Gutsy since October last year.. and before that i had Ubuntu 7.04 installed. I connect to the internet through a LAN connection and it was working fine since all these months on both the systems. But 3 days back, it suddenly stopped working.. I was using Kubuntu 7.10 while it stopped working. When i connected the other HDD that has Ubuntu installed, it din't work on that either.. however the same connection works on windoes on the same machine
I don't have any clue as to what went wrong.. Nothing has changed. No hardware changes! It shows me connected, but doesn't work. I configured it using "pppoeconf" and i did that again yesterday.. No use.
Please help me troubleshoot this issue.. How should i go about it. What should i look for? I am really foxed:?
Any help would be greatly appreciated..
Thanks in advance.
Regards.

[Jimmy Johnson]

Re: Internet suddenly stopped working

The name of your network adapter is probably eth0.
Open the console and type: sudo ifdown eth0
Then type: sudo ifup eth0
See if that gets you going. Good luck.

[kamalubuntu]

Re: Internet suddenly stopped working

I tried doing that; doesn't work that way either...
Here is the output of ifconfig and plog after executing
"$pon dsl-provider"

~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:08:A1:97:3C:BB
inet addr:10.10.196.132 Bcast:10.10.255.255 Mask:255.255.0.0
inet6 addr: fe80::208:a1ff:fe97:3cbb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:23999 errors:0 dropped:0 overruns:0 frame:0
TX packets:1139 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2005726 (1.9 MB) TX bytes:142570 (139.2 KB)
Interrupt:20 Base address:0x8800

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

ppp0 Link encap:Point-to-Point Protocol
inet addr:221.128.175.103 P-t-P:202.63.173.66 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:3 errors:0 dropped:0 overruns:0 frame:0
TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:54 (54.0 b) TX bytes:54 (54.0 b)

The output of plog just after using "pon dsl-provider" is as follows...
$ plog
Mar 30 11:27:09 kMax pppd[4241]: Using interface ppp0
Mar 30 11:27:09 kMax pppd[4241]: Connect: ppp0 <--> eth0
Mar 30 11:27:12 kMax pppd[4241]: CHAP authentication succeeded: Welcome to BARC.
Mar 30 11:27:12 kMax pppd[4241]: CHAP authentication succeeded
Mar 30 11:27:12 kMax pppd[4241]: peer from calling number 00:11:11:7DF:31 authorized
Mar 30 11:27:12 kMax pppd[4241]: Cannot determine ethernet address for proxy ARP

Please see if this can provide a lead to troubleshoot this issue..
Can there be a configuration change from the ISP that might cause such a problem that Kubuntu 7.10 does not {or cannot } automatically adjust to?

Thanks and regards.

[Jimmy Johnson]

Re: Internet suddenly stopped working

I'm sorry but I'm no good with dial-up connections.

[kamalubuntu]

Re: Internet suddenly stopped working


Thanks for replying anyways. No luck yet. I could not get my connection working on Kubuntu 7.10/Ubuntu 7.04 yet!
I just wonder what could have gone wrong...