[Rack] abnormality w noisebridge access point

Wladyslaw Zbikowski embeddedlinuxguy at gmail.com
Sun Jun 3 19:57:39 PDT 2012


I would also add, there appear to be two access points calling
themselves "noisebridge":

Jun  3 19:48:44 barony NetworkManager[734]: <info> (wlan0): supplicant
connection state:  associating -> associated
Jun  3 19:48:44 barony NetworkManager[734]: <info> (wlan0): supplicant
connection state:  associated -> completed
Jun  3 19:48:47 barony NetworkManager[734]: <info> (wlan0): roamed
from BSSID 00:1F:41:16:3E:08 (noisebridge) to 00:13:80:24:AA:80
(noisebridge)


On Fri, Jun 1, 2012 at 7:49 PM, Wladyslaw Zbikowski
<embeddedlinuxguy at gmail.com> wrote:
> Hi, just following up on some previous reports about flakiness with
> the "noisebridge" ap. The symptoms I've seen are: access point stays
> associated with my interface, but I cannot ping the gateway.
> Reconnecting to the access point with Linux NetworkManager fixes this.
>
> It happened once today. Last week Saturday it was happening a lot. I
> plugged in the wired network (hub that Mischief put in next to the
> public terminal) and I didn't have any more connectivity problems. At
> some point I can try to look at the server logs, but I'm just passing
> this info on in case anyone else is looking at it.
>
> My HWaddr: 48:5b:39:79:20:09
> noisebridge Access Point: 00:1F:41:16:3E:08
> Failure times:  Saturday May 26, 5:14pm and Thursday May 31 4:05pm
>
> ifconfig wlan0:
>
> wlan0     Link encap:Ethernet  HWaddr 74:f0:6d:0e:8c:42
>          inet addr:172.30.3.75  Bcast:172.30.3.255  Mask:255.255.252.0
>          inet6 addr: fe80::76f0:6dff:fe0e:8c42/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:516040 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:225471 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:350984014 (350.9 MB)  TX bytes:40534020 (40.5 MB)
>
> iwconfig wlan0:
>
> wlan0     IEEE 802.11bgn  ESSID:"noisebridge"
>          Mode:Managed  Frequency:2.422 GHz  Access Point: 00:1F:41:16:3E:08
>          Bit Rate=39 Mb/s   Tx-Power=9 dBm
>          Retry  long limit:7   RTS thr:off   Fragment thr:off
>          Power Management:off
>          Link Quality=59/70  Signal level=-51 dBm
>          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>          Tx excessive retries:207  Invalid misc:72   Missed beacon:0


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