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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
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| 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 |