[wiki:WikiStart Orbit] > [wiki:Documentation/OTG OTG] > OTF User Manual = OTF Howto = == Introduction == OTF program stores every packet from the "rxdev" and send it through "txdev" to a specific MAC address automatically. To avoid forwarding all packets, a destination IP filter could be given as an optional filter if the received packet has an IP header. == Command Line Options == === Options could be only given at start time of OTF program === ||'''name'''||'''usage''' ||'''default''' ||'''Possible values'''|| ||protocol|| specify the protocol used by OTG program.||udp ||raw, raw_libmac|| || rxdev || Device Name of local host to receive || || eth0 ath0...|| || dstfilter ||filter packets with IP destination address ||NULL ||IP address (192.168.0.5)|| ||txdev || the device to transmit packets || || eth2, ath0...|| ||dstmacaddr || MAC address of the destination|| ||12:4A:56:D0:E1:75|| === Options could be given at run-time for OTR === ||'''name'''||'''usage''' || ||exit|| terminate and exit the program.|| === Example of usage === {{{ ./otf --protocol raw --rxdev ath0 --txdev ath0 --dstmacaddr 00:60:B3:25:C0:16 --dstfilter 12.0.0.7 }}}