Networking :: Find Out What Is The Difference Between Wifi0 And Ath0 (atheros Wifi Card) In Terms Of Packet Counters Shown In Proc/net/dev Pseudofile
Aug 20, 2010
I'm trying to find out what is the difference between wifi0 and ath0 (atheros wifi card) in terms of packet counters shown in proc/net/dev pseudofile. The fact is that wifi0 and ath0 packet counters are different. I've read that wifi0 refers to the physical device and ath0 refers to virtual device over wifi0, so, as far as I know, packets counters in both devices should be the same, isn't it? Another annoying question for me is that ath0 doesn't show any erroneous packets, while wifi0 does.
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May 15, 2010
i installed ubuntu on my friends laptop but when he tries to connect to his network and enters his wep key the box disappears for a few second and comes back again...The card is Atheros on a Toshiba laptop and it is detected , it finds the networks but the wep key is rejected every time without a error
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Jun 25, 2010
I am currently using Ubuntu 10.04 Lucid Lynx. Although it has worked fine for the past couple of weeks, I have recently encountered a problem with my wireless card. It is an Atheros AR928X card on a Toshiba satellite U405D-S2874 model laptop. Recently, I attempted to put the computer into suspend mode for the first time. The computer failed to wake up, and I performed a hard reboot. After this, everything seems to work except for the wireless card. I am now unable to connect to any wireless network with my laptop, and the wireless manager doesn't seem to be working either.
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Dec 7, 2010
I have a question regarding the /proc/interrupts file. Let's say for example I had a server with 2xQuad-Core processors (so we have CPU0 to CPU7 ), and with 5 network interfaces. SMP affinity to all 5 interfaces was set to "ff", so all interfaces have done interrupts on all the processors. he network interfaces interrupts counters should look like this:
24: 32650776 32670506 50315017 32677739 32672119 32677935 32656299 32667496 IO-APIC-fasteoi eth2
27: 35233448 35285546 35317201 52657622 35315835 35339998 35221092 35246597 IO-APIC-fasteoi eth3
55: 37573056 35870363 35874607 35858010 37728061 35880275 35882340 35882127 PCI-MSI-edge eth1
56: 35861392 35863516 35865123 35865342 35864604 40515822 35861250 35863585 PCI-MSI-edge eth0
58: 30173318 30109146 30002990 30016870 30084937 30034759 46517278 30139103 PCI-MSI-edge eth4
Now let's say I've set the affinity to each of the network interfaces, so that it balances one per processor, so we have 5 processors working only for the network interfaces each processor with it's own eth. Now let's assume that the network interfaces generate very few interrupts, and that they show up every 5-6 seconds, so watching cat /proc/interrupts doesn't exactly underline the modifications unless you look with a ruler. Is there a way to reset the counters on /proc/interrupts so that they all start at 0, without rebooting the system?
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Jan 5, 2010
I'm trying to find a driver for my wireless card (Atheros AR928X) and I think it's ath9k what I need. As far as I know there isn't a linux driver for it, so I installed ndiswrapper to use a windows driver instead. The problem is that when I type modprobe ndiswrapper I get "bash: modprobe: command not found" (even as root). I know I'm missing something about modprobe, but I can't find any help on google. Anyway, I installed ndisgtk next, because I thought it would be easier, but when I go to System> Administration> Windows Wireless Drivers I get a message "Unknown error".Do you have any ideas on how I'll make ndiswrapper work?
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Nov 2, 2010
I am recently trying to get a steady wireless connection running. I am currently using the default settings/driver Fedora 13 is stocked with. As my internet browsing is somewhat up and down in load times, I decided to check in a video game which is generally a good test for me. haha I am harshly spiking and cannot find the source of my problem so my guess is a driver issue.
lspci | grep Network:
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It is is seemingly right, my Windows 7 harddrive works just fine, this is just one last of the few issues I'm having from fully formatting my winblows HD to use as Linux storage.
I cannot find any native AR5008 Linux Drivers for my card and it has been a frustrating day. I guess I'm not cut to be a network analyst just yet.
System specs:
ASUS P5Q SE/R
Intel Core 2 Quad Q9550
4GB DDR2 667
Gigabyte GTX465 1G
TP LINK TL-WN851N Wireless card
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Aug 2, 2011
i've been looking into OpenSuse for a while now, and finally got around to installing it, so far so good however i can't get my Laptops' wifi card to work, i can use my Eth0 chord but thats all. My laptop model is:Toshiba Satellite L755 with a intel pentium processorMy Network card is:02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)Please get back to me on what i need to do to fix this, so i have a flawless installation
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Dec 16, 2015
I have an Acer Aspire V15 Nitro Black edition, and I recently installed after working so hard Debian 8.2
My problem is that I can't see any WiFi connection...
I believe that the firmware for my card is the ath10k, but I can't install it...
lspci -nn | grep Network
07:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:003e] (rev 20)
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Jul 7, 2011
I have installed CentOS. I have two ethernet card (one onboard and one PCI). I am able to set ip for realtek ethernet card and my atheros(on board) is not shown in network ifconfig shows only one ethernet card (PCI) hen i gave the command lspci i got the following output
01:00.0 Ethernet controller: Atheros Communications AR8132 Fast Ethernet (rev c0)
03:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
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Jan 22, 2010
Ubuntu 9.04 running on a Dell C640 with a Dell TrueMobile 1150 wireless card. Works perfectly under XP. Ubuntu can't find it. Wired networking finds the internet perfectly (though I'm still working on getting samba set up correctly for file/print sharing on my XP LAN).
I'm thinking I need a driver, maybe? Can't seem to locate one.
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Sep 1, 2011
I have installed SATA driver recently...Even if i can use wifi but i could'nt find any ath0 interface in ifconfig or iwconfig commands....My wifi is taking place through eth1 interface why it happens.....The reason for asking this in order to use aircrack for wep key it says that the injection process only applicable for Athelon interfaces but mine is eth1...I was just trying aircrack-ng...
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Sep 21, 2009
I have Lucent Technologies Orinoco Silver 11 Mbps PCMCIA wifi card. It worked perfectly in Fedora 10, but after updating to Fedora 11 it stopped finding any wireless networks. The updating were done with automatic updating utility. The card works perfectly in Windows, I tested it today.
My laptop is HP nx6110 if that matters.
Here is the situation:
When I plug-out the card, the Network Manager disables wireless networking as it should. When I plug-in the card, wireless networking is enabled, so the system seems to recognize the card in some way.
If I try to connect to "Hidden wireless network" (because there isn't any wireless networks listed in the Network Manager) system tries to connect for a couple of minutes, and then asks wireless settings again. Orinoco card's lights DOESN'T blink normally when connecting to the network (one light should blink rapidly and one should light continuously, but both are blinking rarely or doesn't blink at all).
In System->Administration->Network in tab Hardware (hope those names are correct, I use Finnish version of Fedora...) is:
It seems that the card is detected right.
Here is what I have done to get the problem solved: In System->Administration->Network I have tried to connect to the wireless network manually (disabling the Network Manager). I can't get the connection. It gives me random error messages, sometimes "Check the cable" or something like that, sometimes just timeouts IP determination.
I have tried to connect different wireless networks, no connection. All tested networks worked with another computer.
No matter if I reboot or service network restart or plug-out plug-in the card... the problem still appears.
Tried to find (and reinstall) drivers:
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No Matches found
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Here is the output of lspci. The output is the same if the wifi card is connected or not.
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LAN connection is working just fine.
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Apr 25, 2011
So, the NSA puts out some handy documentation on locking down a RHEL server (running centos 5.6 x64 myself) here, [url]. Under "Ensure System is Not Acting as a Network Sniļ¬er" on page 63, it says that if any numbers below the first line in /proc/net/packet, that it is acting as a network sniffer.
I get the following output:
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Unless I've been pwned, I don't know exactly what could be causing this. Besides samba, nmap (compiled from source, not from yum), screen, and rtorrent, there's nothing I've installed beyond the fresh install I did a few days ago. I was not running nmap when looking at /proc/net/packet.
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Oct 12, 2010
10.04 Gnome desktop install on Acer Aspire One netbook, wifi connection very unstable since last round of updates, wondering if ndiswrapper would work better
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Oct 13, 2010
Just moved from Mandriva 2010.1 to Ubuntu 10.10 and am having problems with the wifi. It connects fine, but tends to grind to a halt every now and then. I always have this problem with Ubuntu... hence me migrating to Mandriva in the past. My card uses the Atheros AR5007G Wifi chipset. So, using ndiswrapper, I installed the windows drivers. Everything seemed to go okay. Yet, after a restart, I'm having the same problem. Which makes me think I'm still using the same old driver. So I added blacklist ath_hal and blacklist ath_pci to /etc/modprobe.d/blacklist.conf. Restarted. And I'm still having drop-out problems.
ndiswrapper -l
net5211 : driver installed
device (168C:001D) present (alternate driver: ath5k)
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Nov 27, 2010
In my laptop, after upgrade, wifi stop working.My laptop is Fujitsu-Siemens Amilo Pro V2065, wifi cart Philips 12127e (from IBM T41), linux kernel: 2.6.37-020637rc3.This card worked before upgrade, and work on windows Command lshw -c network return:Quote:
*-network:0 UNCLAIMED
description: Ethernet controller
product: AR5212 802.11abg NIC
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Jun 15, 2011
I am trying to get an arp packet from my wireless wifi router (access point), to which I am not connected. I simply tried ping 192.168.0.1, but the answer was connect: network is unreachable. What can I do about that?
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Jul 28, 2010
Previously my wifi has worked just fine in 10.04, but as of recently I keep losing my connection after leaving my laptop on for a while (and this happens sooner and sooner each time, used to be daily, now it's every few hours), I can no longer see any networks at all, and I have to reboot to get it working again. I haven't even installed or removed any packages lately, so I'm not such what might've caused this to break all of a sudden.
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Mar 10, 2011
i'm running Ubuntu 10.10 32-bit on an Acer Aspire 3050 laptop with an Atheros AR5BMB5 WiFi card.
The problem i'm having is that the hardware switch to turn the WiFi on and off isn't working right. When I hit the switch to turn it off, the light doesn't turn off, and Ubuntu just disconnects from the network and searches for more WiFi networks - it doesn't say that the WiFi has been deactivated, and I don't think it is. When I hit the switch again, it finds my network and connects to it.
The lspci -v | less command gives me the following information for the WiFi:
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08:04.0 Ethernet controller: Atheros Communications Inc. AR2413 802.11bg NIC (rev 01)
Subsystem: AMBIT Microsystem Corp. Device 0418
Flags: bus master, medium devsel, latency 168, IRQ 21
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It lists a different model of card, but it's using what I assume is the correct driver, so I don't know if that has anything to do with it. I've checked the card itself and it is a AR5BMB5.
I would like to fix it so the switch actually turns the WiFi off instead of just making it search for more networks (I assume it's not actually turning off), and perhaps make the light turn off as it should as well.
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Sep 17, 2010
So I decided to wipe out Windows and try Slitaz. It's an awesome well featured distro for it's size. One huge problem tho: I can't get wireless to work for the life of me. I actually went as far as to manually load the ath5k module but It just refuses to recognize my wireless router, much less any nearby routers. It simply doesn't see anything when it scans for wireless networks. I have no problem with that in Puppy Lucid. But I'd really like to use Slitaz, just for it's small size and quick bootup. Can anyone PLEASE help me with that?
PS: It happened here before that I had to plea and beg for any response, so PLEASE(!!) don't let me hang like that this time.
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Jun 10, 2010
the difference between /proc and /sys? Also, When enabling public-key authentication using SSH, what file on the remote machine must be modified and how?
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Jan 23, 2010
I try to setup a locale network between 10 (Web) Servers (openSuse 11.2), each Server is connected to the internet (eth0) which works fine on all servers.
A 2nd NIC eth1 (1GBit rtl-8169) on each Server is connect to a Switch and should function as a LAN. I installed/configured the 2nd NIC with yast, and than added a route for the local network (192.168.20.0) to use eth1. So far every thing works (ssh for example), but I have a packet loss of 10%-60% (ping) on the local network, and I cant find the reason for the packet loss. I already installed a Debian Lenny on 2 Servers (just to test) but I have the same problem on Debian.
No firewall or any other application is in the way. With tcpdump I could figure out that the packages are send but never show up on the destination server.
I put some more information about how I configured the LAN below. I have not done this my first time and from my experience if something is wrong with the network configuration (wrong routing, firewall in the way, etc.) this usually leads to a packet loss of 100% or the destination is simply not reachable.
The 2nd NIC is installed with either yast on suse , or by editing /etc/network/interfaces on debian. The Kernel module rtl8169 is loaded.
They are configured with the following values:
Route is added by:
Output example. of ifconfig :
Output of route (same on all servers):
Output of ping:
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Apr 16, 2010
I have a brand new ASUS EEE PC 900HA with Ubuntu 9.10 installed on it. The wireless hasn't worked yet but the ethernet is fine. I've been browsing the forums for hours to find a fix but now I've installed/queried/removed so many things I'm totally confused.
lspci -v gives me this
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01:00.0 Ethernet controller: Attansic Technology Corp. Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller (rev b0)
Subsystem: ASUSTeK Computer Inc. Device 8324
Flags: bus master, fast devsel, latency 0, IRQ 27
[code]....
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Nov 17, 2010
I have used Ubuntu without trouble for quite some time now on my computer (maybe 2 years; recently upgraded to 10.04) and have just bought a new computer for the office. When I install 10.04 on the new computer it doesn't seem to recognise the lan card, an atheros AR8151 onboard card (on a GA-G41MT-S2 mobo).
p.s. phrases such as 'build-essentials', 'sudo' and '.tar.gz' files don't mean anything to me (except the last is a bit like a zip file I think).
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Jun 29, 2011
I am using ubuntu 9.10. Kernel version is 2.6.31-14-generic. I couldnt find driver for Atheros wireless card which shows in 'lspci' 0c:00.0 Network controller: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01)
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Nov 7, 2010
This morning I installed Fedora 14 on my laptop. During the setup, I was able to configure the wireless connection and use it to install additional software from the FreshRPMs and Livna repos. When the install was completed, I was surprised to find the wireless not working. When I click on the NetworkManager icon at the bottom right corner, I see "Wireless Networks" Under that it says "device not ready" and it is greyed out so it cannot be click on.
Running lspci -vnn returned
07:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR5001 Wireless Network Adapter [168c:001c] (rev 01)
Kernel driver in use: ath5k
Kernel modules: ath5k
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May 30, 2010
I've installed it no problems on my desktop and I really love it. Now I'm trying to install it on my Satellite and I'm having a couple of problems. When trying to connect to my wireless network, I can see my network, but it will just keep asking me for my WEP. I've confirmed that there is nothing wrong with the network or the password I've provided. Sometimes when I boot up, the network manager just says that the wireless networks are disconnected and can't find any. The wired connection always works just fine.
Here are the system specs:
Toshiba Satellite M45 S169
Ubuntu 10.04 Lucid Lynx LTS Fresh Install
Ethernet controller: Atheros Communications Inc. AR2413 802.11bg NIC (rev 01)
Kernel driver in use: ath5k
Kernel Modules: ath5k
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Aug 10, 2010
I have recently installed Ubuntu 10.04, and today the wireless connection has started to become spotty. The networks menu shows no wireless entries when they were there the day before. Again I have the Atheros AR5001 wireless card, my network is WPA2 and is 802.11g
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Jul 17, 2011
have a toshiba satellite L745 running Lucid Lynx I need drivers for the Atheros AR8151 ethernet card. Every post I have read on installing the driver give links to Atheros but they are all broken. Does anybody know where I can download driver?
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Sep 1, 2011
I am not exactly sure whats wrong here, but Ubuntu 11.04 reports that the Atheros card for my laptop ( AR9287) is disabled. When I try to turn it on using fn+F3 it does not do anything. I looked around and found out about RF-Kill, tried doing the sudo rfkill unblock 0 and it did not work, I attempted that with both 1 and 0 as I also have a gigabit lan card. Though I could see the block status of the eth0 card changing, the Soft block of the wireless card did not.
I have also tried unblocking the pci_ath card in modprobe.d and that also did not work after restarting.
I am using a Acer Aspire 7551g with a Atheros wireless controller. Running Ubuntu 11.04 x64 AMD
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