[Nottingham] Wireless connection at University of Nottingham

Tue Feb 1 11:19:38 UTC 2011

UoN Secure generally works well for me on Ubuntu Netbook (Jaunty, I think -
it's not with me), using wicd..

There are some areas (and thinking about it, Pope is one) where the routers
don't seem to show the network name consistenly (so if I look at the list of
available networks I don't see UoN-Secure, but a list of individual router
names).  I can still usually connect to one of these using the same
credentials as UoN Secure.  It may be worth checking if this is the case and
talking to the IT rep in the building to see if s/he knows whether there are
any issues with routers.

Alternatively, mail IT helpdesk and ask specifically whether Networks Team
are aware of any issues.   That should get the question routed to the right
area, and they aren't all Windows fans in there!

David Aldred

On 1 February 2011 10:51, Aritra Dalal <aritra.dalal at gmail.com> wrote:

>  Hey there,
>
> I was wondering if there're any conceivable reasons as to why University of
> Nottingham's UoN-secure doesn't work quite well with Ubuntu?
>
> There are parts of the campus my wireless works perfectly with, and then in
> some regions (such as the Pope Building), the DHCP takes absolutely forever
> before timing out.
>
> Surprisingly, it connects within seconds on my Win7 partition :S
>
> here's a partial log of the DHCP process:
>
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1/wireless): connection 'Auto UoN-secure' has security, and secrets
> exist.  No new secrets needed.
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'ssid' value 'UoN-secure'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'scan_ssid' value '1'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'key_mgmt' value 'WPA-EAP'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'password' value '<omitted>'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'eap' value 'PEAP'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'fragment_size' value '1300'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'phase2' value 'auth=MSCHAPV2'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: added
> 'identity' value 'enybad'
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 2 of 5 (Device Configure) complete.
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> Config: set
> interface ap_scan to 1
> Feb  1 10:39:53 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  disconnected -> scanning
> Feb  1 10:39:58 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  scanning -> associating
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  associating -> associated
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  associated -> 4-way handshake
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  4-way handshake -> group handshake
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1):
> supplicant connection state:  group handshake -> completed
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to
> wireless network 'UoN-secure'.
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 3 of 5 (IP Configure Start) scheduled.
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 3 of 5 (IP Configure Start) started...
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1): device
> state change: 5 -> 7 (reason 0)
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Beginning DHCPv4 transaction (timeout in 45 seconds)
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> dhclient started
> with pid 9734
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 3 of 5 (IP Configure Start) complete.
> Feb  1 10:39:59 aritra-laptop NetworkManager[1120]: <info> (eth1): DHCPv4
> state changed nbi -> preinit
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <warn> (eth1): DHCPv4
> request timed out.
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> (eth1): canceled
> DHCP transaction, DHCP client pid 9734
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 4 of 5 (IP4 Configure Timeout) scheduled...
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 4 of 5 (IP4 Configure Timeout) started...
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> (eth1): device
> state change: 7 -> 9 (reason 5)
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <warn> Activation
> (eth1) failed for access point (UoN-secure)
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> Marking
> connection 'Auto UoN-secure' invalid.
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <warn> Activation
> (eth1) failed.
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> Activation
> (eth1) Stage 4 of 5 (IP4 Configure Timeout) complete.
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> (eth1): device
> state change: 9 -> 3 (reason 0)
> Feb  1 10:40:45 aritra-laptop NetworkManager[1120]: <info> (eth1):
> deactivating device (reason: 0).
>
>
> Hope that helps.. I run Ubuntu x64 10.10 on a BCM4312 b/g card.
>
> Thanks,
>
> Aritra.
>
> PS. I've tried the Cripps help centre once, but they seem to be somewhat
> useless when it comes to such problems, all they did was try to connect to
> different accounts on this computer for about an hour and a half, and gave
> me back the laptop saying there's nothing they can do. I would've thought
> they would check some logs in the very least. Sorry if I seem a bit hostile.
>
>
> _______________________________________________
> Nottingham mailing list
> Nottingham at mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/nottingham
>
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