packet:protocols
Differences
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| packet:protocols [2024/04/19 22:34] – [AXTCP] 2e0itb | packet:protocols [2024/05/11 11:21] (current) – [AXTCP] 2e0itb | ||
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| ====== AXTCP ====== | ====== AXTCP ====== | ||
| - | AX.25 over TCP/IP | + | There are (at least!) two variants of AXTCP in use. A heuristic for telling them apart is to check the first byte. If it's 0xC0 then it's BPQ (kiss over TCP), otherwise it's xrouter (AXTCP). |
| + | |||
| + | ===== as spoken by xrouter ===== | ||
| Appears to be two byte length (big endian), followed by an AX.25 packet. | Appears to be two byte length (big endian), followed by an AX.25 packet. | ||
| Line 33: | Line 35: | ||
| For xrouter at least, the first packet needs to have your alias in the destination field, and your callsign in the source field, the control field can be anything, and the CRC must match. | For xrouter at least, the first packet needs to have your alias in the destination field, and your callsign in the source field, the control field can be anything, and the CRC must match. | ||
| + | |||
| + | ===== as spoken by bpq ===== | ||
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| + | This is KISS over TCP. | ||
packet/protocols.1713566046.txt.gz · Last modified: 2024/04/19 22:34 by 2e0itb