hostname# x25trace -i /dev/llc2 srcmac 8:20:0:1:2:3 x25 hostname# x25trace -i /dev/llc2 dstmac 8:20:0:1:2:3 x25 hostname# x25trace -i /dev/llc2 betweenmac 8:20:0:1:2:3 9:0:2b:18:21:5 x25