Ubuntu Networking :: Laptop Going To Sleep Disconnects Wireless At Router
Jan 21, 2011
Running Ubuntu 11.04 on a Gateway LT3103U netbook. It's running fine except for that fact that when it goes to sleep (timeout or lid closed) or going into suspend or otherwise restarted/shutdown, my router restarts. It's a DLink DIR-655 that has been working fine until I changed this netbook to Ubuntu.After installing Ubuntu on the netbook, it found my SSID being broadcast and I added the connection by supplying the WPA2 password. I have full network access (local and internet).
It's just the router restarts and all my other machines lose connections. The router is using DHCP but supplying IPs based on MAC. Netbook is set to use DHCP.
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Jun 18, 2011
I'm having issue with my wireless connection. I'm not sure if it is the WPA security causing the issue, but I randomly lose connection to the router. The network manager then scans for available wireless routers for a bit before trying to reconnect to my router and asking for my wireless password again.
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May 11, 2011
i wanted to know if i can use my laptop as a wifi router; with encryption password and all security so if another computer is in the range can detect the signal and then try to connect to it with the encrypt pass.
also i have one more doubt. can a wireless router be used as a wifi ethernet card and detect wifi signals nearby and connect to internet. suppose i have a wireless router and i connect it to my desktop(with lan cables) which has ubuntu installed, and theres a wifi connections nearby can i connect the desktop to the internet.
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May 20, 2011
Environment
Linksys WRT54G Wireless
Laptop wireless Windows/XP
Windows/XP Hyper Terminal
Desktop Server Linux OEL 5 (not wireless) cable connected to the WRT54G router port. (I can go to the Internet with this server, but not able to communicate other computers on the WRT54G Wireless Network. Even though, the Linux Server is connected to the WRT54G router port.) From the Hyper Terminal Wireless laptop Windows/XP, I want to connect to my Linux Server.
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Aug 27, 2011
I have two computers and a wi-fi router. A notebook with Ubuntu 10.04 and a desktop with Windows 7. Whenever the notebook is on, the desktop starts having horrible Internet speed, and eventually disconnects. If I turn the notebook off (or disconnect from the network) it starts working fine again. Both computers connect to the router via wi-fi. I should also note that the connection runs flawlessly on Ubuntu.
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Aug 7, 2010
I'm using a cross-over ethernet cable to connect a Desktop Windows 7 box, and a laptop running on SUSE 11.2. I want Windows to connect to the internet via the laptop's wireless interface.
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Jan 5, 2011
I recently installed Fedora 14 on my machine. Ever since I cannot connect to the Internet at home.henever I plugin in the ethernet cable the ADSL router disconnects and all machines connected to the router lose connection to the Internet.
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Feb 20, 2011
Hey all, I have got this strange problem with my Slackware server acting as router and gateway to my internal network. It randomly disconnects the WAN connection after X days ( it is between 2-7 days ). This error messages occured in /var/log/messages just before it lost its WAN connection:
Feb 20 14:36:00 tml dhcpcd: eth1: failed to renew, attempting to rebind
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Jan 6, 2011
I have a Dell Studio 1737 running Ubuntu 10.04 LTS.My WiFi was working fine a few days ago until I tried to boot into another mode that allows me to boot into my other Ubuntu 10.04 or Windows Vista.I booted into that Ubuntu, which I thought had been overwritten when I was having problems and installed the one I am currently using.I shut down since it didn't have anything of any use to me at the moment, and I booted back into this current Ubuntu.Now, whenever I shut my laptop screen and open it back up to login, the WiFi is disconnected.(I was also having this problem on the Ubuntu that I booted into earlier, but that WiFi did this from the start on that one.)
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May 11, 2011
About 20 seconds after I unplug my Laptop from the AC adapter myiFi connection disconnects. The only way to get a connection again is to shut down my laptop and remove the battery and the AC adapter (WiFi-adapter reset) and reboot my laptop. I'm running 10.10 32-bit.lspci shows me these information about my WiFi-Adapter
02:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01)
Subsystem: Device 1a3b:1026
[code]....
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Nov 6, 2009
I have a desktop PC running Ubuntu 9.10 and Windows 7, and a Eee PC 701 laptop running EasyPeasy Ubuntu 9.04. I'd like to connect the desktop to the laptop with a wired connection (eth0), then the laptop to my ADSL router using wireless (ath0).
I have a crossover ethernet cable (I bought on ebay). I have set up my laptop with a static IP address on my LAN and it uses OpenDNS.
I have added this to /etc/sysctl.conf on the laptop:
net.ipv4.ip_forward=1
Then I tried this on the laptop:
sudo iptables --table nat --append POSTROUTING --out-interface ath0 -j MASQUERADE
sudo iptables --append FORWARD --in-interface eth0 -j ACCEPT
This is a variation on what I found on other sites describing how to set up a router. I don't understand iptables very well, but I gather that the above two lines should set up forwarding so that traffic from my router to the laptop will be forwarded to the desktop, and vice versa.
But this doesn't work. The connection doesn't even establish between the laptop and the desktop.
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Jan 6, 2011
My remote "NX Client" disconnects after 60' when server goes to sleep, leaving my session suspended. My server is running Ubuntu 10.10 Desktop Edition, Power Management is configured to sleep after 60'I need the server to go to sleep if nobody's using it. I don't need the server to go to sleep in case:media is being streamedremote connections are in useHow to configure my system to look further than just keyboard and mouse activity before initiating sleep?PS: Media streaming can be DAAP/RhythmBox; DLNA/MediaTomb; SLIMP3/Squeezebox serverRemote connections can be SSH/PuTTY; SSH/NX Client
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Aug 1, 2010
My son lost his USB Wireless stick for his Computer. I had thought I heard that if you had a second wireless router, you could use it somehow to detect the wireless router you have already set up in your home (like using a wireless card)? Is this what Ad-Hoc is? Either way, can this be done and if so how? I use a WRT54Gx2 Lynksys router and have a TRENDNET TEW-432BRP wireless router and also a spare D-link DI-514. I use ubuntu 10.04, and also wanted to know if I connected one of the router to his on the LAn port could he connect msaybe through an Ad-Hoc on my local computer here? He uses XP on his. I'm a newbie to linux and networking in general.
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Jun 20, 2010
I'm try to setup a wireless network with my linksys wireless router and my HP laptop dual booting Vista & Suse 11.2. I have the vista networked, just fine. Where I can share files and the printer connected to my desktop. But I want to be able to use Suse in the same way, full time and to stray away from Vista. My wife and kids like easy. So I'm trying to transform them and show them something new.
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Jun 9, 2010
I moved my server and network equipment, and now the wireless works but I cannot get my server online. I host a website, so this is kind of urgent.
I have a wireless router and can access the internet fine on my laptop. My server is wired & connected to the router. It sets up the networking properly.. ifconfig has an ip address, the default gateway is present. But I cannot ping google, or even the router. It says destination host unreachable.
So I go back to the laptop to check the router settings.. sometimes it likes to assign the server the wrong internal ip. But, I can't access the router settings either! The page (192.168.1.1) times out. Same with trying to ping the router. How can the laptop be online if it can't reach the router?
Oddly, ifconfig on my laptop reports an ip address starting with 99.233. It's always given me an internal address starting with 192.168. What's going on here? Is the router not allocating an internal ip? I use wicd to connect, if it's relevant.
We have a windows laptop that can only get a "local connection". Now it does sound like the router is forwarding directly to my laptop, instead of allocating internal ips.
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Oct 4, 2010
I'm using an Acer Aspire One d250 running Netubuntu 10.04. The wireless connection to my router fails at random intervals and spends most of it's time trying to reconnect. It will occasionally ask me to input the password to the network, which is already entered in the dialog box, and clicking "connect" doesn't seem to make any difference. Also, when it is disconnected from the network, none of the other computers in the house, wired or wireless, are having any problems. If there is any more information I could provide,
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Apr 21, 2011
I use ubuntu 10.10 and disconnects from wireless at random. after it reconnects the the connection speed is very slow and unstable. It's not my router because it works fine on my sister's netbook (which is also running ubuntu) and it worked fine when I was running windows? I'm not very advanced with linux so you know. I don't have IPv6 enabled. My laptop is an "Advent QRC430" my wireless card is QCOM Q802XKG Wireless Network Card.
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Jan 27, 2009
After I updated to kernel-2.6.27.9-159.fc10 a couple of weeks ago, my wireless kept dropping the connection every few minutes (using an intel 3945 with the kernel iwl driver), particularly if secured with WPA. Updating to the 2.6.27.12-170.2.5.fc10 kernel currently in updates-testing has solved the problem.
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Apr 10, 2010
My wireless disconnects after around 10 minutes. It does not reconnect automatically. I've to pull out the usb dongle and then put it back in to connect again.
[Code]....
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Apr 13, 2010
I upgraded to Karmic the other day and my Wireless Internet has been disconnecting every hour or so. I had the same problem on Intrepid but I managed to fix it somehow. After disconnecting, it will reconnect after a few seconds.
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Jun 25, 2010
After upgrade to Lucid I have experienced intermittent wireless disruptions. The wireless just cuts out and reconnects.And I was hoping to continue or follow up on the same thread however with the released version.I tried replacing network manager with wicd and I tried the other driver options both without success.I'm currently using the Broadcom B43 driver, when I tried the Broadcom STA driver wireless would not work. I use the 64 bit OS, and this problem did not appear prior to the upgrade.
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Sep 19, 2010
I know i posted this in general help, but the reason i got no answers was because it was the wrong spot. code...
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Jan 11, 2011
After the last system update (few days ago) the wireless box disconnects and reconnects continuously (every 60-90 secs). This is the pertinent /var/log/messages when it disconnects:
Code:
Jan 11 16:16:24 ibm kernel: [ 8073.320442] -->RTUSBVenderReset
Jan 11 16:16:24 ibm kernel: [ 8073.321453] <--RTUSBVenderReset
Jan 11 16:16:26 ibm kernel: [ 8075.624596] Key1Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624632] Key2Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624668] Key3Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624705] Key4Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.625355] 1. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.625358] 2. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.741083] 3. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.780107] MCS Set = 00 00 00 00 00
Jan 11 16:16:26 ibm kernel: [ 8075.795195] <==== rt28xx_init, Status=0
Jan 11 16:16:26 ibm kernel: [ 8075.807107] 0x1300 = 000a4200
Jan 11 16:16:28 ibm kernel: [ 8077.937015] pci 0000:02:1d.0: wake-up capability enabled by ACPI
Jan 11 16:16:28 ibm kernel: [ 8077.960539] pci 0000:02:1d.0: wake-up capability disabled by ACPI
Jan 11 16:16:28 ibm kernel: [ 8077.977291] tg3 0000:03:01.0: BAR 0: set to [mem 0xfb100000-0xfb10ffff 64bit] (PCI address [0xfb100000-0xfb10ffff]
Jan 11 16:16:29 ibm kernel: [ 8078.097571] ADDRCONF(NETDEV_UP): eth1: link is not ready
And this when manually reconnected:
Code:
Jan 11 16:16:37 ibm kernel: [ 8086.167522] -->RTUSBVenderReset
Jan 11 16:16:37 ibm kernel: [ 8086.168530] <--RTUSBVenderReset
Jan 11 16:16:39 ibm kernel: [ 8088.464724] Key1Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464760] Key2Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464796] Key3Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464833] Key4Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.465510] 1. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.465513] 2. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.581175] 3. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.621207] MCS Set = 00 00 00 00 00
Jan 11 16:16:39 ibm kernel: [ 8088.636185] <==== rt28xx_init, Status=0
Jan 11 16:16:39 ibm kernel: [ 8088.648150] 0x1300 = 000a4200
Jan 11 16:16:39 ibm kernel: [ 8088.751141] ERROR!!! RTMPSetTimer failed, Halt in Progress!
What is going on?
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Mar 9, 2011
I facing a really annoying problem. I download regularly during the night using Wifi. The problem is that because I'm away, the wireless just disconnects and the pop window shows up asking me to into the password. The password is already saved in the windows so I just have to click 'connect'ut I don't understand why does it disconnect and when it tries to connect it asks for password again!y doesn't it simply 'try' to connect without asking the password when it is already saved.
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May 8, 2011
I recently upgraded from Maverick Meerkat to (classic) Natty Narwhal Ubuntu Linux. I am running on a Toshiba Satellite A665 (Intel i7). I use a wireless internet connection. Under Maverick, I had no issues. Under the update, I am finding that occasionally things stop working: The indicator Applet looks fine, but from a terminal, I find that I am no longer able to ping my own router (less than 10 feet away.) This behavior occurs after working fine for a few hours. I am unsure if anything in particular triggers it (I will report back if I determine a particular cause). I have a few other computers (2 running Windows, and the other Maverick Meerkat) -- and they are unaffected. Turning wireless off and on resolves the issue for me on Natty. Rebooting also works. Here's some hopefully relevant technical details about my system:
Code:
~$ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
[Code]...
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Jun 18, 2011
I want to set up a Linux box as a wireless router to replace our existing Netgear WNR1000 router, as I believe the Netgear does not support the coming IPv6 protocol. Unfortunately, it is not flashable with OpenWRT or DD-WRT presently.
As we have Comcast, our cable modem acts as a dumb modem according to the customer support guy I talked to, and our router is the one that asks for the IP address from DHCP. Thus, when Comcast switches over to IPv6, I don't believe my existing router would work, correct?
My idea is to take a Linux box and put two NICs and a wireless adapter in it, using IPCop or Smoothwall to set up a router. I could then enable IPv6 support for when we have IPv6 with Comcast. Is that possible? Would there be a way to get BIND to hand out private IP addresses in the same subnet on the both the LAN NIC and the wireless card?
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Mar 25, 2010
I was wondering whether or not it is possible/advisable to install and run Snort on a single laptop with a wireless router (firewall enabled)? Does Snort require root privileges and are there any other issues one needs to be aware of when installing and running software like this?
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Apr 24, 2010
I'm having trouble getting my network set up the way that I want it/had it. You see, when I first set up my network, I just had my cable modem going directly to my standard wired router (A D-Link DI-604), which had DHCP,and was connected to all of the computers on my network. I had one switch hooked up to one of the ports of the router, but this was a regular switch, and it would not try to assign IP addresses, it would just pass through the DHCP info as I wanted.
Now however, my network setup has changed. My room mate and I both got laptops, and we decided that we wanted to have wireless access so we didn't have to constantly plug in to the router.
Now my network is set up like this: The modem is hooked up to the router(DI-604), which is hooked up on the LAN side to our computers, our switch (which is hooked up to 3 more computers), and to a wireless router card (A Gigabyte GN-BC01).
The wireless router card has two jacks for ethernet. One for WAN, and one for LAN. The LAN side we have plugged only into the computer in which the card is installed.
Now the problem is this: The wireless router card comes with DHCP by default, and it's assigning addresses to the laptops and to the computer hat it's in, and worse, the IP addresses are on a different subnet than that of the main dlink router. The Main (dlink) router assigns addresses from 192.168.0.1 (itself) to 192.168.0.254, while the wireless router card assigns addresses from 192.168.1.1 to 192.168.1.254 (itself).
Because of this, I cannot access services on the wireless network from my wired network or vice versa. The first thing I tried was setting the card to assign addresses from 192.168.0.12 to 192.168.0.253, however it just said "internal error" when I tried to do this. I decided that this may be because it sees that it was being assigned an address on it's WAN side on the same subnet. So the next thing I tried was disabling DHCP and setting the "LAN IP Address" to 192.168.0.12, hoping that the DHCP would just go through the card, like a switch. I would have set the LAN IP address to be assigned by DHCP, but this was not an option, so I decided that'd be the best thing to set it to.
Once again however, setting the LAN ip address to an address on the same subnet as that of the IP assigned to it's WAN side caused it to report an "internal error". I verified that this was the issue by setting the LAN address to several other private IP addresses to test (I.E. 10.0.0.1, 192.168.3.1, 192.168.5.12).
My question then really is: How do I set up both routers so that I can access services and computers from each network from the other network. Should I set them with different subnets and set the gateway on the wireless network to the main router? To the wireless router card? Should I put them on the same subnet? Will it know how to communicate?
Here is a link to (picture) my network diagram. Network Diagram
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Sep 8, 2010
I have a hp dv3 2110eg laptop with OpenSuse 11.1 (KDE 3.5.10) and Windows 7 dual boot. My wireless disconnects and connects automatically at random intervals. I do not observe this behavior when operating my laptop under Windows 7. Following some suggestions given in this forum , I uninstalled networkmanager and installed wicd. However, this does not seem to solve the problem. Given below are the relevant information. uname -r
Code:
2.6.27.48-0.2-pae
/sbin/lspci
Code:
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Net
[Code].....
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May 23, 2010
The wireless disconnects intermittently and asks for the WEP password again and again. The network adapter is intel wireless/pro 3945 ABG. Please let me know what I can do to avoid this issue. When using 9.10 there is no issue in wireless connection.
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