Fast questions (email, GPRS, WiFi...)

[Al Johnson]

It's also worth using wpa_cli  to see whether wpa_supplicant it associating 
with the AP properly.

On Thursday 24 July 2008, Jim Morris wrote:
> Make sure you do ifdown usb0 before ifup eth0
>
> Then if dhcp does not get a lease first time through (which for me is about
> 50/50) then you can do this from the console which always gets the lease
> for me.
>
>  > udhcpc eth0
>
> After that wifi should work.
>
> Peter Nijs wrote:
> > After a whole lot of tweaking I still cannot get an IP from my wireless
> > router. My current setup looks like this:
> >
> > /etc/network/interfaces:---------------------------
> > # /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
> >
> > # The loopback interface
> > auto lo
> > iface lo inet loopback
> >
> > # Wireless interfaces
> > iface wlan0 inet dhcp
> > wireless_mode managed
> > wireless_essid any
> > iface atml0 inet dhcp
> >
> > # Wired or wireless interfaces
> > iface eth0 inet dhcp
> >    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
> >
> > iface eth1 inet dhcp
> >
> > # Ethernet/RNDIS gadget (g_ether)
> > # ... or on host side, usbnet and random hwaddr
> > auto usb0
> > iface usb0 inet static
> > 	address 192.168.0.202
> > 	netmask 255.255.255.0
> > 	network 192.168.0.0
> > 	gateway 192.168.0.200
> > 	up echo nameserver 192.168.0.200 >/etc/resolv.conf
> >
> > # Bluetooth networking
> > iface bnep0 inet dhcp
> >
> >
> > /etc/wpa_supplicant/wpa_supplicant:--------------------------------------
> >-------- ctrl_interface=/var/run/wpa_supplicant
> > ctrl_interface_group=0
> > eapol_version=1
> > ap_scan=1
> > fast_reauth=0
> >
> > network={
> >      ssid="PN"
> >      scan_ssid=1
> >      key_mgmt=NONE
> >      wep_tx_keyidx=0
> >
> >      wep_key0=<I'm not showing that!>
> >      priority=8
> > }
> >
> >
> > Now here's what I do:--------------------------------------------
> > root at om-gta02:~# ifup eth0
> > sed: unrecognized option `--quiet'
> > BusyBox v1.11.1 (2008-07-18 00:49:01 CEST) multi-call binary
> >
> > Usage: sed [-efinr] pattern [files...]
> >
> > WPA: Configuring Interface
> > ioctl[SIOCSIWENCODEEXT]: Operation not supported
> > ioctl[SIOCSIWENCODEEXT]: Operation not supported
> > ioctl[SIOCSIWENCODEEXT]: Operation not supported
> > ioctl[SIOCSIWENCODEEXT]: Operation not supported
> > udhcpc (v1.11.1) started
> > run-parts: /etc/udhcpc.d/00avahi-autoipd exited with code 1
> > Sending discover...
> > Sending discover...
> > Sending discover...
> > No lease, failing
> > root at om-gta02:~# iwconfig
> > lo        no wireless extensions.
> >
> > usb0      no wireless extensions.
> >
> > eth0      AR6000 802.11g  ESSID:"PN"
> >           Mode:Managed  Frequency:2.462 GHz  Access Point:
> > 00:0E:2E:BA:1E:51 Bit Rate=36 Mb/s   Tx-Power=15 dBm   Sensitivity=0/3
> >           Retry:on
> >           Encryption key:897B-9067-4C99-1AC7-B433-AABB-01   Security
> > mode:open Power Management:off
> >           Link Quality:180/94  Signal level:-171 dBm  Noise level:-96 dBm
> >           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
> >           Tx excessive retries:7  Invalid misc:0   Missed beacon:1
> >
> > root at om-gta02:~# ifconfig eth0
> > eth0      Link encap:Ethernet  HWaddr 00:12:CF:8E:E6:8D
> >           UP BROADCAST MULTICAST  MTU:1500  Metric:1
> >           RX packets:646 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:419 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:1000
> >           RX bytes:278955 (272.4 KiB)  TX bytes:20950 (20.4 KiB)
> >
> > root at om-gta02:~#
> >
> > While udhcpc is sending discovers I can see my router is leasing my neo a
> > valid ip for 60 seconds each "sending discover".
> >
> > Sometimes, in very rare cases I can get a decent lease. But that is not
> > reproducible. I think it's happened three times to me the last three
> > days.
> >
> > Anyone knows how I could get an IP reliably?
> >
> > Peter Nijs
> >
> > Op Sunday 13 July 2008 01:05:12 schreef Jim Morris:
> >> arne anka wrote:
> >>> well, i did what
> >>> http://wiki.openmoko.org/wiki/GTA02_wlan
> >>> says -- adding
> >>>
> >>> iface eth0 inet dhcp
> >>> wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
> >>
> >> Ok that worked, although I have some routing issues now. The manual
> >> method did not work though.
> >>
> >>  > iwconfig
> >>
> >> eth0      AR6000 802.11g  ESSID:"morrisnetwork2"
> >>            Mode:Managed  Frequency:2.422 GHz  Access Point:
> >> 00:1D:5A:BB:FA:A9 Bit Rate=48 Mb/s   Tx-Power=16 dBm   Sensitivity=0/3
> >>            Retry:on
> >>            Encryption key:off
> >>            Power Management:off
> >>            Link Quality:207/94  Signal level:-144 dBm  Noise level:-96
> >> dBm Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 Tx
> >> excessive retries:17  Invalid misc:0   Missed beacon:11
> >>
> >> Although it says encryption key off, but I presume wpa_supplicant is
> >> handling that.
> >>
> >>  > ifconfig
> >>
> >> eth0      Link encap:Ethernet  HWaddr 00:12:CF:74:20:A8
> >>            inet addr:192.168.1.70  Bcast:192.168.1.255 
> >> Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >>            RX packets:1657 errors:0 dropped:0 overruns:0 frame:0
> >>            TX packets:832 errors:0 dropped:0 overruns:0 carrier:0
> >>            collisions:0 txqueuelen:1000
> >>            RX bytes:725595 (708.5 KiB)  TX bytes:37892 (37.0 KiB)
> >>
> >>
> >> So its connected to my access point, and I turned off eth0, but I cannot
> >> ping the wireless, I'll work on that it may be routing or it may be
> >> encryption.
> >>
> >> Thanks all.
> >
> > ------------------------------------------------------------------------
> >
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