hi all , i run the multiFace2.tcl from ns2.29/tcl/hsgn and i obtain this line in the tr :
s 0.100083958 _11_ MAC --- 0 BCN 64 [e7 ffffffff 8 0] r 0.100305065 _12_ MAC --- 0 BCN 64 [e7 ffffffff 8 0] r 0.100305132 _13_ MAC --- 0 BCN 64 [e7 ffffffff 8 0] s 0.100415132 _13_ MAC --- 0 UNKN 44 [d4 8 a 0] r 0.100621761 _11_ MAC --- 0 UNKN 44 [d4 8 a 0] D 0.100621772 _12_ MAC --- 0 UNKN 44 [d4 8 a 0] i think it's the new format of wireless topology but i don't understand what's _11_MAC _12_MAC ... and BCN UNKN .. thank u best regards