docs/knowledge-graph/vault-trn-7/clauses/wdp-cl-ipv4-version-and-ihl.md
Require IPv4 version value 4 and use IHL in 32-bit words with a minimum valid value of five.
Generated from canonical repository manifests. Do not edit this note directly.
Relationships
maps-to→ [[requirements/RQ-TRN-003|RQ-TRN-003]]planned-by→ [[work-items/TRN-701|TRN-701]]refines→ [[scr-rows/WDP-NA-C-003|WDP-NA-C-003]]sourced-from→ [[source-documents/rfc-791|rfc-791]]verified-by→ [[fixtures/WDP-FX-IPV4-VERSION-AND-IHL|WDP-FX-IPV4-VERSION-AND-IHL]]
Data
{
"family": "wdp",
"parentRows": [
"WDP-NA-C-003"
],
"sourceAnchor": {
"documentId": "rfc-791",
"section": "3.1",
"heading": "3.1. Internet Header Format",
"normalizedTextSha256": "bfbaa2d15de8326deed598572191088a85a154b2441b641f68b923ebc022656c"
},
"normativeForce": "table",
"obligationLevel": "required",
"obligationSynopsis": "Require IPv4 version value 4 and use IHL in 32-bit words with a minimum valid value of five.",
"workItems": [
"T0-19",
"TRN-701"
],
"ownerLayers": [
"transport-rust"
],
"requirementIds": [
"RQ-TRN-003"
],
"implementationStatus": "implemented",
"evidenceGate": "A source-derived direct fixture and reviewed code/test evidence are required before this clause may be marked implemented.",
"source": "spec-processing/source-manifests/wap-1.2.1-selected-normative-clauses.json"
}