Display Filter Reference: Unidirectional Link Detection
Protocol field name: udld
Versions: 1.0.0 to 3.4.2
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| Field name | Description | Type | Versions |
|---|---|---|---|
| udld.checksum | Checksum | Unsigned integer, 2 bytes | 1.0.0 to 3.4.2 |
| udld.data | Data | Sequence of bytes | 2.0.0 to 3.4.2 |
| udld.device_id | Device ID | Character string | 2.0.0 to 3.4.2 |
| udld.flags | Flags | Unsigned integer, 1 byte | 1.0.0 to 3.4.2 |
| udld.flags.rsy | ReSynch | Unsigned integer, 1 byte | 1.0.0 to 3.4.2 |
| udld.flags.rt | Recommended timeout | Unsigned integer, 1 byte | 1.0.0 to 3.4.2 |
| udld.opcode | Opcode | Unsigned integer, 1 byte | 1.0.0 to 3.4.2 |
| udld.sent_through_interface | Sent through Interface | Character string | 2.0.0 to 3.4.2 |
| udld.tlv.len | Length | Unsigned integer, 2 bytes | 1.0.0 to 3.4.2 |
| udld.tlv.len.invalid | TLV with invalid length (< 4) | Label | 2.0.0 to 3.4.2 |
| udld.tlv.type | Type | Unsigned integer, 2 bytes | 1.0.0 to 3.4.2 |
| udld.version | Version | Unsigned integer, 1 byte | 1.0.0 to 3.4.2 |
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