OSI network PDU (osi)
- Layer: L3 (network)
- Header: variable length
- Notes: CLNP / ES-IS (P2), OSI encapsulation (P2)
Reached from
| Lower layer | Selector | Value |
|---|---|---|
llc | First 8 bits of the payload when dsap = 254 (0xfe) | (any other value) |
ppp | First 8 bits of the payload when protocol = 35 (0x0023) | (any other value) |
Fields
| Field | Type | Default | Auto | Description |
|---|---|---|---|---|
nlpid | enum(8) | 131 (isis) | Network layer protocol identifier (ISO/IEC TR 9577): 0x81 CLNP, 0x82 ES-IS, 0x83 IS-IS. | |
data | bytes — rest of the PDU | "" | Rest of the OSI PDU after the NLPID (opaque octets). |
nlpid
| Value | Name |
|---|---|
| 0 (0x00) | null |
| 129 (0x81) | clnp |
| 130 (0x82) | esis |
| 131 (0x83) | isis |
| 142 (0x8e) | ipv6 |
| 204 (0xcc) | ipv4 |
Sample templates
- dot3-llc-osi —
templates/protocols/l2/dot3-llc-osi.wpg.yaml