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Ticket Resolution Summary Owner Reporter
#85 fixed reverse dns nkukich@… randy@…

my laptop, which is on ietf-a has address

from remote system host Host not found: 3(NXDOMAIN)


#320 fixed recontruction of old ticket - chelliot@… llynch

deleted #183 due to spam issues = closed ticket, as follows

Ticket #183 (assigned request)

Opened 4 months ago

Last modified 3 seconds ago Linux and Network interruptions Reported by: anonymous Owned by: llynch@… Priority: major Milestone: IETF 79 Component: network Keywords: Cc: My MAC Address: 00:21:6a:33:28:7c My Current Location: 0.2 Berlin My OS: Linux Ubuntu 10.04 Description ¶

Dear NOC

I am using Linux (Ubuntu 10.04). I manage to get access to the network (ietf-a.1x, ietf-a-portal, ietf-portal, ietf.1x, even eduroam) using EAP/PEAP / MSCHAPv2, however no matter how I connect, I am experiencing frequent network interruptions that last for a couple of minutes.

Other Linux users experience the same problem.

Any idea how this can be fixed?



Attachments Change history comment:1 Changed 4 months ago by llynch@…

  • Owner changed from wej@… to chelliot@…
  • Status changed from new to assigned

comment:2 Changed 4 months ago by morrowc@…

I too am seemingly getting bounced off the ietf.1x AP's in auditorium-1 this morning... and (as is in ticket/181) I can't get a connection establised to ietf-a.1x SSID. comment:3 Changed 4 months ago by chelliot@…


We are continuing to investigate this issue. If you'd like to join us in the NOC we may be able to use you as a point of reference in these investigations. However, we have at least a couple of others that are seeing the same thing, and we continue to use them in our attempts to narrow down the problem.

The NOC is in room 0.11 on the ground floor.

Chris. comment:4 Changed 4 months ago by chelliot@…

  • Status changed from assigned to closed
  • Resolution set to duplicate


I'm (correctly or not) blaming this on bugs in the linux kernel. Here's a couple of links to likely suspects:

There's a note early in the first one that suggests:

"I "solved" this by compiling the bleeding-edge compat-wireless drivers from Have a look at for instructions."

I'm going to close this ticket and reference you to ticket 181 as it has more information about this issue.

Please feel free to reopen (or have me reopen) this ticket if you disagree.

Thanks! Chris. comment:5 Changed 4 months ago by anonymous

closed is fine for me.... I forced the nm-applet to ietf1.x only and do not encounter problems anymore... the server might still see me disconnecting and re-connecting but I do not loose connections anymore.


#758 fixed problems with wifi in "Canadian" bmheight@… mikaabra@…

I have a macbook and an iphone5. Neither can connect and get an IPv4 address on the .1x wifi:s. the ietf-a works as expected. Network worked during the v6ops session 9-11.30 but not at approx 12:15 and onwards, it doesn’t work. As far as I can see from tcpdump, I am associated to the wifi (I see other devices arp whois-requests) but the .1 address isn't answering as far as I can tell.
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