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Display Filter Reference: Link Access Procedure, Channel Dm (LAPDm)

Protocol field name: lapdm
Versions: 1.2.0 to 1.6.5

Back to Display Filter Reference

Field name Type Description Versions
lapdm.address_field Unsigned integer, 1 byte Address Field 1.2.0 to 1.6.5
lapdm.control.f Boolean Final 1.2.0 to 1.6.5
lapdm.control.ftype Unsigned integer, 1 byte Frame type 1.2.0 to 1.6.5
lapdm.control.n_r Unsigned integer, 1 byte N(R) 1.2.0 to 1.6.5
lapdm.control.n_s Unsigned integer, 1 byte N(S) 1.2.0 to 1.6.5
lapdm.control.p Boolean Poll 1.2.0 to 1.6.5
lapdm.control.s_ftype Unsigned integer, 1 byte Supervisory frame type 1.2.0 to 1.6.5
lapdm.control.u_modifier_cmd Unsigned integer, 1 byte Command 1.2.0 to 1.6.5
lapdm.control.u_modifier_resp Unsigned integer, 1 byte Response 1.2.0 to 1.6.5
lapdm.control_field Unsigned integer, 1 byte Control Field 1.2.0 to 1.6.5
lapdm.cr Unsigned integer, 1 byte C/R 1.2.0 to 1.6.5
lapdm.ea Unsigned integer, 1 byte EA 1.2.0 to 1.6.5
lapdm.el Unsigned integer, 1 byte EL 1.2.0 to 1.6.5
lapdm.fragment Frame number Message fragment 1.2.0 to 1.6.5
lapdm.fragment.count Unsigned integer, 4 bytes Message fragment count 1.6.0 to 1.6.5
lapdm.fragment.error Frame number Message defragmentation error 1.2.0 to 1.6.5
lapdm.fragment.multiple_tails Boolean Message has multiple tail fragments 1.2.0 to 1.6.5
lapdm.fragment.overlap Boolean Message fragment overlap 1.2.0 to 1.6.5
lapdm.fragment.overlap.conflicts Boolean Message fragment overlapping with conflicting data 1.2.0 to 1.6.5
lapdm.fragment.too_long_fragment Boolean Message fragment too long 1.2.0 to 1.6.5
lapdm.fragments Label Message fragments 1.2.0 to 1.6.5
lapdm.length Unsigned integer, 1 byte Length 1.2.0 to 1.6.5
lapdm.length_field Unsigned integer, 1 byte Length Field 1.2.0 to 1.6.5
lapdm.lpd Unsigned integer, 1 byte LPD 1.2.0 to 1.6.5
lapdm.m Unsigned integer, 1 byte M 1.2.0 to 1.6.5
lapdm.reassembled.in Frame number Reassembled in 1.2.0 to 1.6.5
lapdm.reassembled.length Unsigned integer, 4 bytes Reassembled LAPDm length 1.4.0 to 1.6.5
lapdm.sapi Unsigned integer, 1 byte SAPI 1.2.0 to 1.6.5

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