Display Filter Reference: Link Access Procedure, Channel Dm (LAPDm)
Protocol field name: lapdm
Versions: 1.2.0 to 3.2.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| lapdm.address_field | Address Field | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.f | Final | Boolean | 1.2.0 to 3.2.5 |
| lapdm.control.ftype | Frame type | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.n_r | N(R) | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.n_s | N(S) | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.p | Poll | Boolean | 1.2.0 to 3.2.5 |
| lapdm.control.s_ftype | Supervisory frame type | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.u_modifier_cmd | Command | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control.u_modifier_resp | Response | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.control_field | Control Field | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.cr | C/R | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.ea | EA | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.el | EL | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.fragment | Message fragment | Frame number | 1.2.0 to 3.2.5 |
| lapdm.fragment.count | Message fragment count | Unsigned integer, 4 bytes | 1.6.0 to 3.2.5 |
| lapdm.fragment.error | Message defragmentation error | Frame number | 1.2.0 to 3.2.5 |
| lapdm.fragment.multiple_tails | Message has multiple tail fragments | Boolean | 1.2.0 to 3.2.5 |
| lapdm.fragment.overlap | Message fragment overlap | Boolean | 1.2.0 to 3.2.5 |
| lapdm.fragment.overlap.conflicts | Message fragment overlapping with conflicting data | Boolean | 1.2.0 to 3.2.5 |
| lapdm.fragment.too_long_fragment | Message fragment too long | Boolean | 1.2.0 to 3.2.5 |
| lapdm.fragment_data | Fragment Data | Label | 2.0.0 to 3.2.5 |
| lapdm.fragments | Message fragments | Label | 1.2.0 to 3.2.5 |
| lapdm.length | Length | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.length_field | Length Field | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.lpd | LPD | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.m | M | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
| lapdm.reassembled.in | Reassembled in | Frame number | 1.2.0 to 3.2.5 |
| lapdm.reassembled.length | Reassembled LAPDm length | Unsigned integer, 4 bytes | 1.4.0 to 3.2.5 |
| lapdm.sapi | SAPI | Unsigned integer, 1 byte | 1.2.0 to 3.2.5 |
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