[Olsr-users] Strange Ping Problem

Sven Schindler (spam-protected)
Fri May 20 13:46:45 CEST 2011


Hey guys,

I'm really desperate and maybe you can help me with my strange (and I
hope little) problem.:

-> I have a nokia N810 running (192.168.2.11) and a Notebook
(192.168.2.10) in a ad-hoc network

-> if nothing is running I have no problems to ping the nokia from the
notebook or the notebook from the nokia

-> as soon as I start olsrd (i need to run version 0.5.6-r7) the
notebook and the nokia device start sending hello messages and
adapting their routes as expected

-> I have still no problems pinging the nokia from the notebook... but,
I can't ping the notebook from the nokia anymore... except with a
broadcast ping. Can anybody tell me what the reason for that problem
is? The hello message exchange is still working fine... I guess that
explains why a broadcast ping is possible.

These are the computed routes on my notebook:

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.2.11    *               255.255.255.255 UH    2      0        0 wlan0
192.168.2.0     *               255.255.255.0   U     0      0        0 wlan0


and here the routes of my nokia:

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.2.10    *               255.255.255.255 UH    2      0        0 wlan0
192.168.2.0     *               255.255.255.0   U     0      0        0 wlan0
169.254.0.0     *               255.255.0.0     U     0      0        0 wlan0
224.0.0.0       *               240.0.0.0       U     0      0        0 wlan0

The problem seems to be the first route of the nokia. As soon as I
remove it the ping works again. But why? There is no difference to the
Notebook routes and the notebook is still able to ping the nokia
device.

Thank you very much for your help... Sven




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