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Old 03-31-2015, 03:53 PM   #1
Decimatrix
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Wireless has bad connection from RT-N66R Gigabit Router


I bought an Asus Wireless Router RT-N66R yesterday, and it has successfully hooked up to everything around my home, except for my personal laptop. I run 14.04 Trusty Tsar on it. The wireless works for about 30 seconds before the computer stops recognizing it, and then I have to reconnect it again by clicking on the network name. Everything else in the house works great with it, and for the 30 or so seconds it stays connected to my laptop, my laptop works great as well. Also, when I am connected to Facebook, it tends to let me continue IMing people, even if I have no connection anywhere else. I can usually google my way to an answer, but I am really stumped on this one, please help!
 
Old 03-31-2015, 06:20 PM   #2
jefro
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Might try a b/g protection setting in router. Think it has it. Try it first. Since you say the router first I'd look there.

There still remains a number of issues that could cause it. Various logs in linux and router may offer clues.

If playing with router and looking at logs offer no clues then might have to look at hardware on laptop. Did it ever work correctly? Band and channel issues? Driver issues? Try a few live cd's maybe to compare.

Last edited by jefro; 03-31-2015 at 06:22 PM.
 
Old 03-31-2015, 06:28 PM   #3
smeezekitty
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Quote:
Also, when I am connected to Facebook, it tends to let me continue IMing people, even if I have no connection anywhere else.
That sounds like the DNS is dropping for some reason. Does dmesg shed any clues?
Can you ping your router by IP after it drops?
 
Old 03-31-2015, 08:27 PM   #4
Decimatrix
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Im too much of a newb at this, I'm not sure what any of that even means. Can you please dumb it down for me? I turned off b/g protection, but that doesn't appear to have done anything at all.

Last edited by Decimatrix; 03-31-2015 at 08:33 PM.
 
Old 03-31-2015, 09:06 PM   #5
jefro
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Well, you can't normally IM and say the router is disconnected.

Log into the router. It has logs to help shed some light on this issue.


Might disable IPv6 but not sure that would have this effect.
 
Old 03-31-2015, 09:10 PM   #6
Decimatrix
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Does this tell you anything?
Attached Files
File Type: txt syslog.txt (11.4 KB, 10 views)
 
Old 03-31-2015, 10:04 PM   #7
Decimatrix
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Is this the problem?

Apr 1 01:38:34 nmbd[579]: process_local_master_announce: Server VERCINGETORIX at IP 192.168.1.50 is announcing itself as a local master browser for workgroup WORKGROUP and we think we are master. Forcing election.
Apr 1 01:38:34 nmbd[579]: [2015/04/01 01:38:34, 0] nmbd/nmbd_become_lmb.c:unbecome_local_master_success(149)
Apr 1 01:38:34 nmbd[579]: Samba name server RT-N66R-B418 has stopped being a local master browser for workgroup WORKGROUP on subnet 192.168.1.1
Apr 1 01:38:52 nmbd[579]: [2015/04/01 01:38:52, 0] nmbd/nmbd_become_lmb.c:become_local_master_stage2(392)
Apr 1 01:38:52 nmbd[579]: Samba name server RT-N66R-B418 is now a local master browser for workgroup WORKGROUP on subnet 192.168.1.1
 
Old 03-31-2015, 10:29 PM   #8
Decimatrix
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Google indicates that that IS the problem, but I'm still at a loss for how to fix it, does anybody know?
 
Old 03-31-2015, 10:50 PM   #9
suicidaleggroll
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Google indicates that what is the problem?

You've posted log files, but you haven't provided any supporting information. Eg: when is communication established, when does communication stop, when do DNS lookups fail, etc. The timestamps in the log file are only useful when you provide times when you're experiencing connection success/failure.

As for DNS checks, use ping, it's pretty simple. DNS is what maps website names to IP addresses. When you type in "www.google.com", DNS is what tells your computer that you really mean 216.58.217.142 (or whatever the case may be in your location). If your DNS is functioning normally, you can run "ping www.google.com" and you'll see output like this:
Code:
$ ping www.google.com
PING www.google.com (216.58.217.132) 56(84) bytes of data.
64 bytes from iad23s43-in-f4.1e100.net (216.58.217.132): icmp_seq=1 ttl=56 time=68.5 ms
64 bytes from iad23s43-in-f4.1e100.net (216.58.217.132): icmp_seq=2 ttl=56 time=71.3 ms
64 bytes from iad23s43-in-f4.1e100.net (216.58.217.132): icmp_seq=3 ttl=56 time=65.4 ms
If your DNS is not functioning normally, you'll see errors saying it couldn't resolve "www.google.com", but pinging the IP itself will work:
Code:
$ ping 216.58.217.132
PING 216.58.217.132 (216.58.217.132) 56(84) bytes of data.
64 bytes from 216.58.217.132: icmp_seq=1 ttl=56 time=68.5 ms
64 bytes from 216.58.217.132: icmp_seq=2 ttl=56 time=71.3 ms
64 bytes from 216.58.217.132: icmp_seq=3 ttl=56 time=65.4 ms
 
Old 03-31-2015, 10:54 PM   #10
Decimatrix
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Edit: I also tried pinging, all it told me was that it could hold the connection for exactly 30 seconds, before it can't find the server any longer. As soon as I reset it, it reconnects.

Server VERCINGETORIX at IP 192.168.1.50 is announcing itself as a local master browser for workgroup WORKGROUP and we think we are master. Forcing election.

That's what the problem is, as far as I can tell. The router and my computer keep butting heads, but I think all I need to do is change it so my laptop is not the master, whatever that means.

Last edited by Decimatrix; 03-31-2015 at 11:08 PM.
 
Old 03-31-2015, 11:45 PM   #11
ardvark71
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Quote:
Originally Posted by Decimatrix View Post
I run 14.04 Trusty Tsar on it.
Hi...

I think you mean Trusty Tahr. You might get some heated responses from a few Russian citizens, otherwise.

Just out of curiousity, what wireless adapter is your laptop using? Could you open a terminal and post (copy and paste) the results from this command...

Code:
lspci -nnk | grep -i net -A2
Please omit nothing from the code or the results.

Thanks!
 
Old 03-31-2015, 11:47 PM   #12
Decimatrix
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02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller [10ec:8172] (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8152]
Kernel driver in use: rtl8192se
 
Old 04-01-2015, 10:31 PM   #13
Decimatrix
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Does anybody have any ideas? I think I have to set my laptop to not be the domain master, but I haven't any clue on how to go about doing that...
 
Old 04-01-2015, 11:14 PM   #14
michaelk
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Quote:
Server VERCINGETORIX at IP 192.168.1.50 is announcing itself as a local master browser for workgroup WORKGROUP and we think we are master. Forcing election.
This is a windows networking (samba) message. Has nothing to do with your wireless connection. You can turn off samba to verify.

A quick search indicates a driver bug. Was wireless working before you changed routers?. Have you made any other changes to your PC? Might try changing your wireless parameters on the router like lowering the speed.

The old fix was to use the vendor driver but that is only valid up to 3.2.x kernels. Have not found another fix.

Last edited by michaelk; 04-01-2015 at 11:19 PM.
 
Old 04-01-2015, 11:18 PM   #15
Decimatrix
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So wait, how do I turn it off, is it on Windows or Linux? I'm so confused
 
  


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