USB to wireless adapter for Linux

Was looking for a good USB Wifi device for my Linux PC. I was hoping for a user recommendation and figured ya'll were the best

Hey,

So I currently use a "Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter" For my Linux Mint installation, but have found that support is spotty, and since I don't have access to an Ethernet cable as of current, if I don't get online via WIFI I am SOL.

I don't want to buy another of what I have BECAUSE I am about to start figuring out which distribution I am going to use. I am installing openSUSE, Fedora, Arch, Slackware, Ubuntu, and Linux Mint on this machine.

So I definitely looking for a Wifi doohickey that works out of the box for each of these.

Thanks!

===

Don't think brand or model, think chipset, Linux does. Manufacturer will use different chips for different revisions of the same model.

Ath9 is a good chipset to have. Especially now there is open firmware.

Use http://www.linuxwireless.org/ to findout chipset for manufacter,model,revision. When you order, ensure revision is mentioned and return it if it is not what you ordered. ===

All Atheros 9xxx and most Intel cards should work just fine.

Alfa AWUS036NHA hands down. It uses an atheros chipset (the best linux support) and the firmware for this particular chipset was recently released as open source by qualcomm:

http://www.h-online.com/open/news/item/Atheros-open-sources-firmware-for-two-wireless-chips-1820950.html

Second this suggestion. I've two of these and never had a single problem with them.

Hey OP, I have that too, it's a great example of Realtek's shitty drivers.

The drivers do work if you use 802.11G and fix to a channel instead of auto, but it drops once in a while.

I also have a TP-Link stick that works far better, sometimes it drops when there's a lot of signal noise, generally not a problem.

There's some extremely good atheros chips for Linux.

I think what I did was go on the Ubuntu supported hardware list (https://help.ubuntu.com/community/WifiDocs/WirelessCardsSupported), found one that had a good rating and I could find in a local store and picked it up. I ended up with the DLink DWA-125 rev A2 (RAlink chipset). Works great OOTB. My last laptop had a built in Atheros card that worked OOTB. My current one has an Atheros as well, the AR9285 chipset. Again, works OOTB. Wifi on Linux has come a long way.

This: http://www.newegg.com/Product/Product.aspx?Item=33-704-045&IsVirtualParent=1 works great for me. It works on Slackware, I think out of the box. I don't remember configuring it, but read the Newegg reviews, they seem to be heavily in favor of linux support.

another good experience with TP-Link hardware. Upgraded my PC and my old WLAN PCI card didn't work. Changed to a TP-Link card (with the Atheros 9 chipset) and everything's great.

No driver download any more - worked out of the box (with Debian) !

I bought this- https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-pci-card

It worked out of the box on my last project and I was very happy with it. That machine was disassembled and it's waiting for my next project, actually.

Essentially, everything on Think Penguin will work for your build. Good luck.

Ouch! They want $57 dollars for that PCI card, plus, I was really looking for a USB device.

Ahhh, then I cannot help you, as my experience with USB adapters is spotty. There are several known wireless USB adapters, however.. Check out- https://help.ubuntu.com/community/WifiDocs/WirelessCardsSupported

Most, if not all of the devices listed are supported upstream in the kernel, not through supplemental packages, so regardless of the distro, you should be good to go.

I have had great luck with this one

http://www.amazon.com/Belkin-F7D2102-Micro-Wireless-Adapter/dp/B004N625B4/ref=sr_1_2?s=electronics&ie=UTF8&qid=1364002271&sr=1-2&keywords=belkin+wifi

I have used it on Debian, Fedora, OpenSUSE, and Ubuntu all without issue.

 

Whatever you do, stay away from this:

http://www.encore-usa.com/us/taxonomy/term/69/all

Works like crap. 

permalink

I have used a few wifi card over the past few years. The only one that ever gave me hassle had a Broadcom chipset. I am away from my Desktop at the moment so I can't get you specific chipsets but the Newest one I have used is THIS ONE. I also have an older Rosewill wireless G USB stick which I believe is a 8188L (or maybe LE). If USB isn't a factor then I have an older PCI card with a Ralink 2561 (? I think it used the rt61 module) chipset. I also have a notebook with an Intel card with Bluetooth I believe it is a 2230 that works out of the box. None of these have given me any issues or had any noticeable drops on Debian/Ubuntu based distros.

You could just grab an old router, flash it with DD-WRT and use it to connect to wireless.

You connect to your router with an ethernet cable and it acts as the wireless client. A few routers support client/bridge mode out of the box, the TP-Link TL-WR702N is cheap.

Bus 001 Device 002: ID 07d1:3303 D-Link System DWA-131 802.11n Wireless N Nano Adapter(rev.A1) [Realtek RTL8192SU]

This one works great at least.

Cisco usb dongle Linksys AM10 v1 802.11n [Ralink RT3072] has been working flawless for me. No configuring needed. It just works.


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Old 04-20-2012, 01:01 PM   #1 odjb

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Trendnet TU2-ETG Linux compatibility



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Hi,

I bought a Trendnet TU2-ETG USB to Gigabit ethernet adapter but I didn't check OS compatibility.
Does anyone know if I can make it work under Ubuntu or Debian ?
(linux not supported by Trendnet for this product)

Thanks in advance,
olivier

Old 04-21-2012, 05:54 AM   #2 joker20

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post the output of 'lsusb'

   

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Old 04-21-2012, 05:59 AM   #3 joker20

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some quick googling told me what kind of chipset that device uses, below is the link to the drivers, but before you got off and try installing the driver do a 'lsmod | grep asix'...if you get nothing then do a 'modprobe asix' to load the driver and see if you can get any further

http://www.asix.com.tw/products.php?...emID=84;71;100

   

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Old 04-21-2012, 08:32 AM   #4 odjb

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Well, I didn't open the package and, if possible, I would like to know before I do it because, if I can't use it, I will return it and have a refund ...
I had a look at the link you posted. As my kernel is 2.6.32-40, it seems that the suggested driver should work ...
Do you think it's worth trying to install the adapter ?


Last edited by odjb; 04-21-2012 at 08:38 AM.    

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Old 04-21-2012, 01:26 PM   #5 joker20

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then what was the point of making this thread if you havent tried it? even if you opened the package you can return it regardless of if it worked or not, retailers just send it back to the MFG

just open it up and pop it in and we'll be here to assist if you run into complications

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ok. so I plugged it.
It's seen as eth2. I can assign an IPV4 address. It can ping itself but I have no link with the lan (Destination Host Unreachable) ... Of course, when I configure it with DHCP, it can't get an address.
 

Code: odjb@RHCP:~$ lsusb Bus 007 Device 005: ID 10d5:000d Uni Class Technology Co., Ltd Bus 007 Device 004: ID 09da:032b A4 Tech Co., Ltd Bus 007 Device 003: ID 046a:0021 Cherry GmbH Bus 007 Device 002: ID 058f:9254 Alcor Micro Corp. Hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 18a5:022e Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 14cd:125b Super Top Bus 001 Device 003: ID 058f:6387 Alcor Micro Corp. Transcend JetFlash Flash Drive Bus 001 Device 002: ID 0409:0058 NEC Corp. HighSpeed Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub odjb@RHCP:~$ lsmod | grep asix asix 14996 0 usbnet 18052 1 asix mii 5237 3 asix,usbnet,r8169






 

 



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Old 04-22-2012, 05:21 PM   #7 odjb

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more info :
led indicators :
1000Mbps : on
Link : off
I can capture broadcast traffic :
 

Code: odjb@RHCP:~$ cat tcpdump 23:15:08.702276 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 181) 192.168.0.3.17500 > 255.255.255.255.17500: [udp sum ok] UDP, length 153 23:15:08.702741 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 181) 192.168.0.3.17500 > 192.168.0.255.17500: [udp sum ok] UDP, length 153 23:15:38.730551 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 181) 192.168.0.3.17500 > 255.255.255.255.17500: [udp sum ok] UDP, length 153 23:15:38.731122 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 181) 192.168.0.3.17500 > 192.168.0.255.17500: [udp sum ok] UDP, length 153


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This guy says it will work :
http://seriss.com/people/erco/ubuntu/

   

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Old 04-24-2012, 04:18 PM   #9 joker20

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not sure how deep your networking experience goes but if you assign a static address you'll also need to assign the default gateway and any DNS servers

DHCP issues could point to a few things like firewall blocking return packets to network scripts being misconfigured
post more info about distro and window manager so we can help

   

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Old 04-25-2012, 04:04 AM   #10 odjb

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more info :
 

Code: root@RATM:~# uname -a Linux RATM 2.6.32-5-686 #1 SMP Mon Mar 26 05:20:33 UTC 2012 i686 GNU/Linux root@RATM:~# cat /etc/issue Debian GNU/Linux 6.0 \n \l


I have no GUI installed on this machine
If you need anything else, please tell me
btw, I tried it on Ubuntu ant got the same results ...

 

Quote:

This guy says it will work :
http://seriss.com/people/erco/ubuntu/ he uses "network-admin" which is a Gnome tool but as said above, I have no GUI ...
but it's fine to know that someone could make it work.

 

Quote:

not sure how deep your networking experience goes but if you assign a static address you'll also need to assign the default gateway and any DNS servers

DHCP issues could point to a few things like firewall blocking return packets to network scripts being misconfigured I'm pretty sure I don't need nor gateway neither DNS server as I'm only trying to make it work on the LAN (works fine with onboard adapter).
About DHCP, again, it works fine with the onboard network adapter ...
I'd also add that I don't use any firewall at home and it doesn't work.

I also tried the following test :
connecting the adapter, on machine A, straight to a Ubuntu machine B. pinging from A. tcpdump on B -> I can't catch anything
As I catch some broadcast traffic from A, it seems it can receive but can't transmit ... (?)


Last edited by odjb; 04-25-2012 at 08:35 AM.  



thanks in advance,
olivier

Old 05-03-2012, 11:13 AM   #12 joker20

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you say its seen as eth2 which means its working at a hardware level - you also said you can assign a static address

so with that being said post the output of 'ifconfig' and 'route' or 'netstat -r'

the Destination Host Unreachable message means you have no route to whatever you're trying to ping - so you'll either need a gateway or a static route in place

but again, i need to see the output of the above commands before i can give a solid answer

joker20

odjb View Post

I'm pretty sure I don't need nor gateway neither DNS server as I'm only trying to make it work on the LAN (works fine with onboard adapter).

About DHCP, again, it works fine with the onboard network adapter ...
I'd also add that I don't use any firewall at home and it doesn't work.

Well this depends on your network, but usually you always have to have this .
If you connect your local LAN to a router,
this is the DNS server and the Gateway.
Without a gateway, your card won't have a hop to forward the packets to.

Also you might need to disable your onboard card as the onboard one will be eth0 and used as the "main" nic.

What is the output of "ifconfig" with the onboard nic disabled and only the usb-card connected ?

**edit : didn't see joker20 posted already, but at last seems we think the same
Last edited by heinblöd; 05-03-2012 at 11:57 AM.

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So, here are the results of the requested commands. Although I disabled the onboard ethernet adapter in the BIOS, it sees the Trendnet USB adapter as eth1 (eth0 not found - there was a typo in my previous posts as it always appeared as eth1 and not eth2 as I mentionned before).
Of course, eth1 is configured as static as i can't get an IP address through DHCP.

 

Code: root@RATM:~# ifconfig eth1 Link encap:Ethernet HWaddr 00:50:b6:08:40:13 inet adr:192.168.18.150 Bcast:192.168.18.255 Masque:255.255.255.0 adr inet6: fe80::250:b6ff:fe08:4013/64 Scope:Lien UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1681 errors:0 dropped:0 overruns:0 frame:0 TX packets:83 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:1000 RX bytes:170141 (166.1 KiB) TX bytes:5706 (5.5 KiB) lo Link encap:Boucle locale inet adr:127.0.0.1 Masque:255.0.0.0 adr inet6: ::1/128 Scope:Hôte UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:145 errors:0 dropped:0 overruns:0 frame:0 TX packets:145 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:0 RX bytes:13088 (12.7 KiB) TX bytes:13088 (12.7 KiB) root@RATM:~# netstat -r Table de routage IP du noyau Destination Passerelle Genmask Indic MSS Fenętre irtt Iface 192.168.18.0 * 255.255.255.0 U 0 0 0 eth1 default 192.168.18.254 0.0.0.0 UG 0 0 0 eth1 root@RATM:~# ping 192.168.18.254 -c 10 PING 192.168.18.254 (192.168.18.254) 56(84) bytes of data. From 192.168.18.150 icmp_seq=1 Destination Host Unreachable From 192.168.18.150 icmp_seq=2 Destination Host Unreachable From 192.168.18.150 icmp_seq=3 Destination Host Unreachable From 192.168.18.150 icmp_seq=4 Destination Host Unreachable From 192.168.18.150 icmp_seq=5 Destination Host Unreachable From 192.168.18.150 icmp_seq=6 Destination Host Unreachable From 192.168.18.150 icmp_seq=7 Destination Host Unreachable From 192.168.18.150 icmp_seq=8 Destination Host Unreachable From 192.168.18.150 icmp_seq=9 Destination Host Unreachable From 192.168.18.150 icmp_seq=10 Destination Host Unreachable --- 192.168.18.254 ping statistics --- 10 packets transmitted, 0 received, +10 errors, 100% packet loss, time 9046ms pipe 3

odjb
Original Poster

Ok guys, I tried something I should have done before :

First, I tested the adapter with Windows 7 -> it worked fine. At least, I knew there was no hardware problem with it.
As I have a virtual Ubuntu on this machine, I decided try the adapter with it. I added the Trendnet adapter in Virtualbox and booted -> IT WORKS WITHOUT ANY PROBLEM.
The difference seems to be the kernel version as you can see below (it's Ubuntu 12.04). I'll check the kernel version of my other machine at home (Ubuntu 10.04) because it didn't work either

 

Code: odjb@Linux-net-test:~$ uname -a Linux Linux-net-test 3.2.0-20-generic-pae #33-Ubuntu SMP Tue Mar 27 17:05:18 UTC 2012 i686 i686 i386 GNU/Linux

odjb



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