In most of the cases this error could be ignored.

It simply tells you that he can not join a multicast address. I assume it belongs to the IPv6 address you try to join. IPv6 is not supported by OpenWrt without the installed module.

Kind regards, Johannes Morgenroth

Am 31.01.2014 13:14, schrieb Theodoros Bourchas:

I have installed ibrdtn packages in TP-LINK3040 (RUNNING OpenWRT v1.0) and I have made extroot to a USB device.

root@OpenWrt:/etc/config# df Filesystem 1K-blocks Used Available Use% Mounted on rootfs 7699228 140032 7167312 2% / /dev/root 2048 2048 0 100% /rom tmpfs 14608 944 13664 6% /tmp tmpfs 512 0 512 0% /dev /dev/sda1 7699228 140032 7167312 2% /overlay overlayfs:/overlay 7699228 140032 7167312 2% /

But when I tried to initiate the daemon, ERROR occurred

root@OpenWrt:/etc/config# dtnd -i wlan0 Fri Jan 31 12:07:19 2014 INFO Configuration: Using default settings. Call with --help for options. Fri Jan 31 12:07:19 2014 INFO NativeDaemon: IBR-DTN daemon 0.10.2 (build 1d89427) Fri Jan 31 12:07:19 2014 INFO Configuration: Using default settings. Call with --help for options. Fri Jan 31 12:07:19 2014 INFO BundleCore: Local node name: dtn://OpenWrt Fri Jan 31 12:07:19 2014 INFO BundleCore: Forwarding of bundles enabled. Fri Jan 31 12:07:19 2014 INFO NativeDaemon: using bundle storage in memory-only mode Fri Jan 31 12:07:19 2014 INFO NativeDaemon: API initialized using tcp socket: loopback:4550 Fri Jan 31 12:07:19 2014 INFO NativeDaemon: TCP ConvergenceLayer added on wlan0:4556 Fri Jan 31 12:07:19 2014 INFO DiscoveryAgent: listen to [ff02::142]:4551 Fri Jan 31 12:07:19 2014 INFO DiscoveryAgent: listen to [224.0.0.142]:4551 Fri Jan 31 12:07:19 2014 INFO DiscoveryAgent: add interface wlan0 Fri Jan 31 12:07:19 2014 ERROR IPNDAgent: join failed on wlan0; 99: setsockopt() Fri Jan 31 12:07:19 2014 INFO NativeDaemon: Using default routing extensions

Any idea about how to overcome this? Thanks in advance,

Theodoros