Display Filter Reference: Link Access Procedure, Channel D (LAPD)
Protocol field name: lapd
Versions: 1.0.0 to 4.4.2
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| Field name | Description | Type | Versions |
|---|---|---|---|
| lapd | Abort | Boolean | 1.10.0 to 1.10.14 |
| lapd | Formatted message | Label | 1.12.0 to 4.4.2 |
| lapd | Address Field | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | Checksum | Unsigned integer (16 bits) | 1.2.0 to 4.4.2 |
| lapd | Checksum Status | Unsigned integer (8 bits) | 2.2.0 to 4.4.2 |
| lapd | Bad Checksum | Boolean | 1.2.0 to 2.0.16 |
| lapd | Bad FCS | Label | 1.12.0 to 4.4.2 |
| lapd | Good Checksum | Boolean | 1.2.0 to 2.0.16 |
| lapd | Control Field | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | Final | Boolean | 1.0.0 to 4.4.2 |
| lapd | Frame type | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | N(R) | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | N(S) | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | Poll | Boolean | 1.0.0 to 4.4.2 |
| lapd | Supervisory frame type | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | Command | Unsigned integer (8 bits) | 1.0.0 to 4.4.2 |
| lapd | Response | Unsigned integer (8 bits) | 1.0.0 to 4.4.2 |
| lapd | C/R | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | Direction | Unsigned integer (32 bits) | 1.0.0 to 4.4.2 |
| lapd | EA1 | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | EA2 | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | SAPI | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |
| lapd | TEI | Unsigned integer (16 bits) | 1.0.0 to 4.4.2 |