Ubuntu Networking :: BSNL - ADSL Connection Not Stable / Disconnected After 3 Or 4 Minutes?
Apr 19, 2010
I am new ubuntu user . I installed - ubuntu desktop v9.10 32bit. I have BSNL (Indian Telephone service) broadband connection. In Windows 7, BSNL broadband connection is working fine.
Now in ububtu I try to establish ADSL connection using following command: "sudo pppoeconf". It open a console based wizard and I'm able to create the connection. But this connection is sustain hardly 4~3 minute, after that it is disconnected. So, Again i have go through the same process again and again.
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Jan 28, 2009
I'm using Xubuntu and i have set up my DSL connection manually. I get disconnected from the Internet within 2-3 minutes. I have to again select eth0 from the network icon in the taskbar. it connects well but gets disconnected again and again. I don't face such problem when i use Win XP.
Any idea what might have gone wrong ?
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Sep 7, 2010
just i installed ubantu linux 10.4 lts , how can i connect this system to internet? I have BSNL broadband (DSL modem conn to ethernet port) modal quidway wa1003a
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Aug 29, 2010
I am using Ubuntu 9.10 . And Using BSNL broadband I want to know that how to create new connection using username and password as we do it in windows.I have used pppconfig command but it gives me error that no dialer found d tell me how to create dialer in Ubuntu 9.10
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Mar 6, 2010
I have installed fedora 12 recently. after installation i tried to connect to the internet using BSNL broadband connection. I filled in the details such as IP, Netmask, Gateway and even DNS servers. In the services also I ensured that the network manager services is on. However even though my computer cannot connect to the internet. I then tried the ping test of the modem from the address 192.168.1.1 and found that the ping test is successful. Then i tried the network administrator and there I noticed something unusual.
There are two options in the devices eth0 and eth1 thats ok but the unusual; thing is that the Activate (green button), Deactivate (red button) and even the delete buttons are in the background and I cannot select them. Isthis the problem for the network connectivity.
[Code]....
I then tried the ping test of the modem from the address 192.168.1.1 and found that the ping test is successful. Then i tried the network administrator and there I noticed something unusual. There are two options in the devices eth0 and eth1 thats ok but the unusual; thing is that the Activate (green button), Deactivate (red button) and even the delete buttons are in the background and I cannot select them. Isthis the problem for the network connectivity.
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Oct 24, 2010
is there any problems with making adsl connection in ubuntu 10.10. Recently I've had ubuntu 10.04 and there was a problem with making adsl connectio so I was forced to you terminal in order to connect to internet. I'm asking you this because I'm planing to install Ubuntu again but if there is still connection problems then I wouldn't install ubuntu
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May 5, 2010
I just configured my (dataone) ADSL connection and now it stops intermittently. Can anyone tell me why this happens and what is the solution for this.
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Jan 22, 2009
I'm using ADSL connection as a way to access internet.All of us know that in windows we can get configed easily.But it is a little more difficult in Fedora.How can we config ADSL connection in Fedora 10?My modem uses dynamic ip.
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Mar 23, 2009
I have D-Link GLB502-T ADSL router with MTNL TriBand connection.I am currently using Fedora 10. I have successfully setup the ADSL router in bridge mode, and can connect to net using network-manager.
Now I need to know how to start this connection using command-line. I intend to schedule auto restart of the connection for my night unlimited connection.
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Oct 2, 2009
"I am new to Linux. Could you please guide me how to make ADSL bridge connection. I have tried to make connection using Network manager. But, it some times works and some times doesn't works."
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Apr 11, 2010
how to make pppoe (ADSL) connection on fedora 12
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May 4, 2010
I use an ADSL connection which I 'dial' using the Network Manager. My laptop is connected to the modem through an ethernet cable.
The thing is the place where I stay is prone for power failure. So the modem goes out with the power. It comes back on within a minute when the power is restored but Network Manager doesn't seem to automatically re-establish the connection after it is lost once. I have to manually do it. Hence most of my downloads do not get done.
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Feb 16, 2010
Since I have started to use Ubuntu 9.10, I have had multiple wireless connection troubles. First of all, it says the signal is 2 bars, when in fact my router is right next to me as of right now. Second of all, when I try to connect to it, it asks for my password 3 times, then says disconnected. I'm on a hardwire right now, it's across my keyboard, and I'm in a tangled mess.
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Jan 25, 2010
I have an Asus laptop with a BCM4318 wifi chipset. result of lspsci command about wifi cards:
Code:
00:09.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02) For some reason, I often get disconnected. Once it's disconnected, I cannot connect anymore and I need to reboot my laptop in order to get the connection back! I didn't have this problem when I was on Ubuntu 8.04. I checked in /var/log/syslog and I found this when the network is disconnected:
[Code].....
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Jan 22, 2011
My promlem is that I wrote a few simple script to monitor the network connection as follows:
script 1 "netmonitor.sh"
#!/bin/bash
# /usr/local/bin/netmonitor.sh
HOST=www.google.hu
ping -c 1 "$HOST" > /dev/null 2>&1 .....
So it's run every 5 minutes, and it works well, when it sees host is down, it restart the connection, BUT as the log shows below, about a half an hour after using the connection (for example the ssh through the internet or the vpn clients disconnected) , br0 (probably) goes down or something and the script needs always restarting the connection...
The log:
Fri Jan 21 14:45:01 CET 2011 Network is ready! .....
Fri Jan 21 15:55:41 CET 2011 Network seems down, rechecking...
Fri Jan 21 15:56:21 CET 2011 Network is down, restarting interface br0!
Fri Jan 21 15:56:48 CET 2011 Network is ready after interface br0 restart! .....
Then if I use again, its ready... Is it possible, that if system don't use the connection after getting the DHCP lease, it close the connection automaticly? Anyway it works ok, but I don't want to owerwrite my router's flash in every 5 seconds with te new lease, my script probably defeat it soon if I don't do anything.
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Aug 8, 2010
I have installed Fedora 13 and updated it. I simply cant use ssh to connect to this Fedora, not even locally. I have enabled port22 in firewall settings and nothing. Tried to disable firewall completely and nothing. I have disabled SELinux (not sure if it has something to do with this, but... ) and nothing. Entered "ALL: ALL" in /etc/hosts.allow and still nothing. Dont know what to do anymore.
Here is what happens when I try to ssh to this machine, even from it:
[flibio@surf ~]$ ssh localhost
warning: Need basic cursor movement capability, using vt100
flibio's password:
Authentication successful.
Disconnected; connection lost (Connection closed.).
Connection to localhost closed.
[flibio@surf ~]$
Looking into Services > sshd and it says "This service is dead."
So I tried:
[root@surf etc]# service sshd restart
Stopping sshd: [FAILED]
Starting sshd: : OpenSSH_5.4p1 on
: FATAL: Creating listener failed: port 22 probably already in use! .....
And still I get disconnected whenever I try to ssh to this machine from anywhere. Services says that sshd is allways dead, even restarting it but I can only restart it by doing a pkill sshd before.
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May 16, 2010
Does anyone have a way to use this type of encryption? I have read many posts but have not gotten a solution yet. I am trying to get this to work at a friend's house. I know the SSID and the super-long ascii code (with symbols?). gnome nm and wicd have been useless. I have been connecting to my school's wpa2 using wpa_supplicant + dhclient directly, so I tried adding it in there:
network={
ssid="name"
scan_ssid=0
proto=WPA
key_mgmt=WPA-PSK
pairwise=CCMP
group=CCMP
psk="horribly long thing"
}
What happens is a string of connects and then immediate disconnects when runnign wpa_supplicant. It says "CTRL-EVENT-DISCONNECTED - disconnect event - remove keys" then starts all over. Can't get a stable connection but I must be close?
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May 26, 2010
I've set up a permanent DHCP lease for my MAC address. I did this hoping to resolve the fact that I share my Internet ADSL connection with my wife and my daughter (the latter a great bandwidth hog)!
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Jan 28, 2011
OS: Maverick Ethernet driver: tested with sky2 an sk98lin This has been driving me crazy for the last few months: if I unplug ethernet cable while my laptop is on reconnecting it sometimes does not bring the connection back.
And once ethernet is gone nothing that I try seems to consistently bring it back. Rebooting, disabling/enabling the driver, disabling/enabling NIC in BIOS, changing driver from sky2 to sk98lin, deleting connection from Network Manager, resetting the router - nothing helps. It seems to come back randomly a few weeks later. Once I used live Ubuntu on a USB stick and ethernet came back not only on a live distro but then when I rebooted also on my main OS. But when I tried that trick next time ethernet was missing in the live distro as well.
Also once I was able to revive ethernet but compiling sk98lin driver, blacklisting sky2 and rebooting. Of course next time doing the same routine did not help. The thing is - ethernet works fine with either sky2 or sk98lin and I can unplug the cable and plug it back in most of the time without any issues. But then every so often - bang and I'm stuck with only wireless until ethernet suddenly starts working again.
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Feb 9, 2011
This is not the common problem that's on the stickied thread. I'm able to connect to my wireless network perfectly. I switch between Windows to game and Linux for desktop, coding, and hosting, so I can tell it has something to do with ubuntu 10.10. When I'm connected to my wireless network, at random times, my internet begins to slowdown, then I get disconnected from the internet, but the taskbar says I'm connected. This problem only happens in ubuntu and not Windows for some strange reason.
The applications that are usually open do not cause it, because it still does it even though I have little applications open (Google Chrome, gedit). When I'm on Teamspeak 3, I notice my ping rises to the 1000s randomly, and I get disconnected. Once again that only happens on Ubuntu.
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Aug 6, 2009
I want to configure my ADSL but I don't know what should I do. Can you explain me How can I configure it?(I use fc10, ethernet cable <Asus Am608 ADSL modem)
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Nov 22, 2009
I have a pppoe adsl connection. When I disconnect and try to reconnect, network-manager keeps asking for my password. I type it again and again with no success. When I reboot, it works again. On ubuntu, I use pppoeconf and it works well. So on Fedora I made a connection with pppoe-setup but neither ifup nor
Code:
pppoe-connect
commands work. When I type
Code:
pppoe-connect
, it says
Code:
/usr/sbin/adsl-start: line 217: 13409 Terminated $CONNECT
"$@" > /dev/null 2>&1
. When I type
Ifup ppp0 doesn't work either. However, with exactly the same settings, ubuntu connects to the internet.
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Dec 6, 2010
How to connect bsnl 3g data card in fedora14. i tried with mobile broadband connection but it is not working
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Feb 17, 2009
I've installed F10 on my laptop since few days and I'm facing an annoying networking issue: the network connection seems to work well when, suddently, it goes down for a while, and then come back.This happens with both wired and wireless (Intel PRO/ Wireless 3945ABG) connection.
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Dec 5, 2010
I have a Acer Aspire 7535-5020 laptop with a Atheros AR5B91 wireless adapter & lose my connection after about 10 minutes.The only way to reconnect is by rebooting.I read in another thread that installing the linux-backports-modules-karmic would solve the problem.However when I try to install it I get the message, Error Dependency is notsatisfiable:Linux-backports-Modules-2.6.31-22 generic.
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Jun 13, 2011
Having struggled to get the wireless connection at least working I find it drops out after 15 minutes or so. When I check for wireless connections I can see none at all and the "Disable/Enable wireless conncection" has disappeared, the Network one is still there. I get an auto reconnection if I reboot and all is well for another 15 minutes. Is there any way i can recover the situation without a reboot? I am trying to install the hplip-3.11.5 driver for my new wireless printer,the program take a while to install and by the time it has started looking for the printer the connection has dropped out. I can't be sure but I don't think it was dropping out before I connected the printer using my wired pc. All good fun but I'd like to get it sorted so I can get the engine back in my motorbike, the sort of technology I prefer!
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Jul 26, 2010
my netbook shares it's wireless connection to my desktop. i've done this through the gui (edit connections > eth0 > ipv4 settings > shared to others) and it has worked for the last i don't know how many months.recently it had become a bit touchy with regards to how it was set up. it didn't work unless the netbook was already booted and wired in at the time of booting the desktop.now however it's gotten even worse and all i get when i connect them together is
"connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" and so on.
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Jan 10, 2011
I installed Fedora 14 yesterday via the installation DVD with 3,3 GB. Everything worked fine and when I connected to my wlan and entered the WEP key I got access to the internet. But after about 5 minutes, to connection just got cut and I was again asked for the WEP passkey. But when I entered it this time, the connection failed and I was just asked again (with the same key entered, it even got it saved from last time). As you can think, this is quite annoying, since the time I have internet is not even enough to get some updates done.
Ah, and by the way: The time I have internet it just is unbelievably slow. On my Windows partation, I don't have this problem. I do have a small hint what might be the problem: When I was using Ubuntu, I always had a similar problem, but it did not even connect to my wlan once. The solution was to blacklist some driver, but since I don't know if this might be the problem on Fedora too and if the drivers are the same as on Ubuntu and since I really have no idea about the syntax of the terminal here, I was not daring to try this out.
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Feb 18, 2011
Hello, I've installed OpenSwan with xl2tpd on my server, and set it up for roadwarriors connecting using certificates.
My server is Debian 5.0.8, I am running xl2tpd 1.2.0, and Openswan IPsec 2.4.12, my clients are all Windows, and I am testing my setup on a Windows 7 client.
I have no problem connecting to the server, but after some time the connection drops. I removed the idle option from the ppp config but it does not make any difference.
Even when I create constant traffic with ping -t the connection drops also.
I have no problems reconnecting right away.
I have been hacking at this for a couple of days, reading every post I can find, but I have not found a solution to my problem.
Here are my configs and logs:
CONFIG FILES:
/etc/ppp/option.l2tpd
-----------------------------
ms-dns 10.248.75.4
ms-wins 10.248.75.4
asyncmap 0
auth
crtscts
[Code]....
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Mar 7, 2011
I'm running Ubuntu 10.10. I have a problem with any client side network communication from any java based program/application. I've tried to run the following code:
Code:
public static void main(String[] args) throws Exception {
long start = System.currentTimeMillis();
Socket s = new Socket("ubuntuforums.org", 80);
System.out.println("1. connection created in "+ (System.currentTimeMillis() - start)/1000.0 +" s");
s.close(); start = System.currentTimeMillis();
s = new Socket("ubuntuforums.org", 80);
System.out.println("2. connection created in "+ (System.currentTimeMillis() - start)/1000.0 +" s");
s.close(); }
The result is the following:
Code:
1. connection created in 189.31 s
2. connection created in 0.085 s
I've tried both java-1.6.0-openjdk and java-6-sun-1.6.0.24 with almost the same results. During the extremely long 189 seconds, the processor is doing almost nothing (java thread has 0 %). I've tried also a wireshark to check what is going on, but the first packet was released after those 189 seconds. There is nothing in log files, I have no exceptions or errors, and the connections work (after the first long delay) just fine.
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