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Display Filter Reference: PPP VJ Compression
Protocol field name: vj
Versions: 1.0.0 to 1.6.5
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| Field name | Type | Description | Versions |
|---|---|---|---|
| vj.ack_delta | Unsigned integer, 2 bytes | Ack delta | 1.0.0 to 1.6.5 |
| vj.change_mask | Unsigned integer, 1 byte | Change mask | 1.0.0 to 1.6.5 |
| vj.change_mask_a | Boolean | Ack number changed | 1.0.0 to 1.6.5 |
| vj.change_mask_c | Boolean | Connection changed | 1.0.0 to 1.6.5 |
| vj.change_mask_i | Boolean | IP ID change != 1 | 1.0.0 to 1.6.5 |
| vj.change_mask_p | Boolean | Push bit set | 1.0.0 to 1.6.5 |
| vj.change_mask_s | Boolean | Sequence number changed | 1.0.0 to 1.6.5 |
| vj.change_mask_u | Boolean | Urgent pointer set | 1.0.0 to 1.6.5 |
| vj.change_mask_w | Boolean | Window changed | 1.0.0 to 1.6.5 |
| vj.connection_number | Unsigned integer, 1 byte | Connection number | 1.0.0 to 1.6.5 |
| vj.ip_id_delta | Unsigned integer, 2 bytes | IP ID delta | 1.0.0 to 1.6.5 |
| vj.seq_delta | Unsigned integer, 2 bytes | Sequence delta | 1.0.0 to 1.6.5 |
| vj.tcp_cksum | Unsigned integer, 2 bytes | TCP checksum | 1.0.0 to 1.6.5 |
| vj.urp | Unsigned integer, 2 bytes | Urgent pointer | 1.0.0 to 1.6.5 |
| vj.win_delta | Signed integer, 2 bytes | Window delta | 1.0.0 to 1.6.5 |