thanks Stephan ,

"ERROR IPNDAgent: join failed on wlan0; 92: setsockopt() In most cases, you can ignore this message.

...

but it still can transfered file

can it send or receive the file?

You say, you are using the same configuration on both nodes. Is it still the one with routing=none and the static routes

yes its still about it. if i can just ignored that message, my problem is in the ibrcommon::IOException error on another subject.