Freifunk at FreeRunner: OLSRD
Nad.Oby at gmail.com
Fri Jun 27 12:31:16 CEST 2008
Robert Schuster wrote:
> you know we already have B.A.T.M.A.N in OpenEmbedded but now I gave good
> old OLSRD a try too.
> I added a recipe for the latest release 0.5.5 and tested it on the
> device. It is working nicely along with the ar6000 being in ad-hoc mode
> (the preferred mode for mesh networks ;) ). No luck with 0.5.3 though -
> it crashes when I want to view the page generated by the httpinfo plugin.
> I wanted to do some NATting between the wifi interface and the usbnet
> connection (effectively making my desktop computer an internet gateway
> for the Berlin Freifunk community).
> However this was impossible since OpenMoko does not provide the iptables
> package (you can get the kernel modules but not the userspace
> application). You can build it on your own and then everything is fine
> There are also some minor issues with the wifi driver. I reported
> this a while ago already.
> I am already happy but I would be so even more if:
> - olsrd version preference could be set to 0.5.5
> - iptables could be installed directly via opkg
> The FreeRunner as a wifi mesh-node is a nice use case for the time after
> being a mobile phone. It would be one of the very few nodes that have a
> screen attached. :)
> I would like to offer screen shots but there is nothing spectacular to
> see on them. But perhaps you like some console output instead:
> root at om-gta02:~# iwconfig eth0
> eth0 AR6000 802.11g ESSID:"olsr.freifunk.net"
> Mode:Ad-Hoc Frequency:2.457 GHz Cell: 02:CA:FF:EE:BA:BE
> Bit Rate=1 Mb/s Tx-Power=15 dBm Sensitivity=0/3
> Encryption key:off
> Power Management:off
> Link Quality:168/94 Signal level:-183 dBm Noise level:-96 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:0 Missed beacon:0
> (A fixed BSSID of '02:CA:FF:EE:BA:BE' is what we use in Berlin to
> overcome some problems with ad-hoc mode specification.)
> Starting the daemon:
> root at om-gta02:~# /etc/init.d/olsrd start
> Starting OLSR routing protocol daemon: olsr.org
> *** olsr.org - 0.5.5 ***
> Build date: 2008-06-26 23:09:18 on linkist
> Parsing file: "/etc/olsrd.conf"
> olsr.org - 0.5.5 detaching from the current process...
> root at om-gta02:~# pidof olsrd
> Pinging a node that is a few hops away:
> root at om-gta02:~# ping 184.108.40.206
> PING 220.127.116.11 (18.104.22.168): 56 data bytes
> 64 bytes from 22.214.171.124: seq=0 ttl=62 time=89.001 ms
> 64 bytes from 126.96.36.199: seq=3 ttl=62 time=45.555 ms
> --- 188.8.131.52 ping statistics ---
> 4 packets transmitted, 2 packets received, 50% packet loss
> round-trip min/avg/max = 45.555/67.278/89.001 ms
> Traceroute to it:
> root at om-gta02:~# traceroute 184.108.40.206
> traceroute to 220.127.116.11 (18.104.22.168), 30 hops max, 38 byte packets
> 1 22.214.171.124 (126.96.36.199) 15.096 ms 29.789 ms 12.770 ms
> 2 188.8.131.52 (184.108.40.206) 12.536 ms 11.377 ms 10.147 ms
> 3 220.127.116.11 (18.104.22.168) 25.497 ms 51.212 ms 51.228 ms
> Actually I could find something that may show I am really using this on
> the Neo. I attached is httpinfo plugin generated webpage showing my
> configuration. There are few devices where eth0 is a wifi card. :D
> If you are interested I also attached by olsrd.conf. You need to have
> olsrd-plugin-httpinfo, olsrd-plugin-nameservice (didn't work as
> expected) and olsrd-plugin-dyngw installed besides the daemon.
>  - http://docs.openmoko.org/trac/ticket/1392
I really like mesh networking protocols work on Neos.
Maybe I'll try to run Netsukuku.
OK first I have to buy one.
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