[Ekiga-devel-list] USB network autodetection on Openmoko



Hi there!

My Openmoko GTA02 Neo FreeRunner is connected to my laptop thanks to its
USB port following the instructions at

  http://wiki.openmoko.org/wiki/USB_Networking

Basically, every time the USB cable is plugged in:
=====
iptables -t nat -s 192.168.0.202 -A POSTROUTING -j MASQUERADE
iptables -t nat -s 192.168.0.202 -A PREROUTING  -j DNAT \
    -d 192.168.0.200 -p udp --dport 53 \
    --to-destination `grep -m 1 nameserver /etc/resolv.conf | cut -d ' ' -f 2`
iptables -t nat -s 192.168.0.202 -A PREROUTING  -j DNAT \
    -d 192.168.0.200 -p tcp --dport 53 \
    --to-destination `grep -m 1 nameserver /etc/resolv.conf | cut -d ' ' -f 2`
iptables -P FORWARD ACCEPT
echo 1 >/proc/sys/net/ipv4/ip_forward
=====

At university my laptop is configured with a public IP address, but
every time I start Ekiga on my Openmoko Neo FreeRunner I get the
"network autodetection error" window, which tells me to check

  http://wiki.ekiga.org/index.php/Enable_port_forwarding_manually

I do not remember to have experienced the same problem at home, where I
am behind an ADSL router (managed through OpenWrt), thus this sounds to
me quite strange.

Indeed, if I try to call the echo test when I am at university, I did
not receive any sound, while at home I can hear the echo test voice at
least until the segfault I reported at

  http://thread.gmane.org/gmane.comp.gnome.apps.gnomemeeting.devel/5620/focus=5678

Is this a bug in my configuration or in Ekiga?

Thx, bye,
Gismo / Luca

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