コンテンツにスキップ

sonic-fine-grained-ecmp YANG

概要

  • module: sonic-fine-grained-ecmp
  • namespace: http://github.com/sonic-net/sonic-fine-grained-ecmp
  • revision: 2024-09-15 (Added support for dynamic nexthop group), 2023-01-19 (initial)
  • import: ietf-inet-types, sonic-portchannel, sonic-port, sonic-types
  • top container: sonic-fine-grained-ecmp

Fine-Grained ECMP (FG_NHG) のグループ・対象プレフィックス・メンバの 3 テーブルを保持する。bucket-size と match_mode により flow-to-nexthop の固定マッピングを記述する1。

データフロー (自動生成)

flowchart LR
  Y["sonic-fine-grained-ecmp"]
  C1[("CONFIG_DB<br/>FG_NHG")]
  Y --> C1
  D1["FgNhgOrch"]
  C1 --> D1
  C2[("CONFIG_DB<br/>FG_NHG_PREFIX")]
  Y --> C2
  C2 --> D1
  C3[("CONFIG_DB<br/>FG_NHG_MEMBER")]
  Y --> C3
  C3 --> D1

凡例

YANG モジュールから CONFIG_DB テーブル経由で subscribe する daemon/orch までを docs/reference/config-db-orch-map.md から機械生成したミニ図。詳細・例外は本ページ本文を参照。

関連ページ

本 YANG モジュールに対応する CONFIG_DB / CLI / HLD / Topics への相互リンク。inject_yang_xref.py により自動生成されます。

対応 CONFIG_DB

関連 Topics

ツリー

module: sonic-fine-grained-ecmp
  +--rw sonic-fine-grained-ecmp
     +--rw FG_NHG
     |  +--rw FG_NHG_LIST* [name]
     |     +--rw name             string
     |     +--rw bucket_size      uint16
     |     +--rw match_mode       match-mode-name
     |     +--rw max_next_hops    uint16
     +--rw FG_NHG_PREFIX
     |  +--rw FG_NHG_PREFIX_LIST* [ip_prefix]
     |     +--rw ip_prefix    stypes:sonic-ip-prefix
     |     +--rw FG_NHG       -> /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name
     +--rw FG_NHG_MEMBER
        +--rw FG_NHG_MEMBER_LIST* [next_hop_ip]
           +--rw next_hop_ip    inet:ip-address
           +--rw FG_NHG         -> /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name
           +--rw bank           uint16
           +--rw link?          union

leaf 一覧

leaf パス 型 必須 デフォルト enum / 範囲 / leafref 説明
name sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name string yes FG_NHG group name
bucket_size sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/bucket_size uint16 yes Total hash bucket size (recommended LCM of 1..max nexthops)
match_mode sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/match_mode match-mode-name yes nexthop-based, route-based, prefix-based Filtering method to identify when to use Fine Grained handling
max_next_hops sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/max_next_hops uint16 yes Max nexthops in route updates (prefix-based mode only)
ip_prefix sonic-fine-grained-ecmp/FG_NHG_PREFIX/FG_NHG_PREFIX_LIST/ip_prefix stypes:sonic-ip-prefix yes Prefix for which FG behavior is desired
FG_NHG sonic-fine-grained-ecmp/FG_NHG_PREFIX/FG_NHG_PREFIX_LIST/FG_NHG leafref yes /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name Fine Grained nexthop group name
next_hop_ip sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/next_hop_ip inet:ip-address yes Member nexthop IP associated with the prefix
FG_NHG sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/FG_NHG leafref yes /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name Fine Grained nexthop group name
bank sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/bank uint16 yes Index of bank/group for redistribution
link sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/link union union(port leafref, portchannel leafref) Local link associated with the nexthop

leafref / 依存

  • sonic-fine-grained-ecmp/FG_NHG_PREFIX/FG_NHG_PREFIX_LIST/FG_NHG → /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name
  • sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/FG_NHG → /sonic-fine-grained-ecmp/FG_NHG/FG_NHG_LIST/name
  • sonic-fine-grained-ecmp/FG_NHG_MEMBER/FG_NHG_MEMBER_LIST/link → port または portchannel leafref

augment / deviation

  • なし

関連 CONFIG_DB / CLI

関連 YANG モジュール

意味的に関連する SONiC YANG モジュール (slug prefix / curated group / frontmatter related.yang から自動抽出):

関連リファレンス

引用元

  1. sonic-net/sonic-buildimage src/sonic-yang-models/yang-models/sonic-fine-grained-ecmp.yang @ 9ea932ec2e18f35e58268ec2e4456b1d4afd65cd ↩