下图展示新增 IP 地址的完整处理时序：10 个参与者共用一组生命线，17 个步骤从上向下连续排列。
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1. 完整时序图
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2. 四张分图对照
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2.1. 配置下发（步骤 1–3）
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2.2. 地址通知与接口处理（步骤 4–7）
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2.3. 路由通知与分发（步骤 8–12）
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2.4. 接口状态与路由下发（步骤 13–17）
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图中的 SAI/SDK/HW 和 ASIC_DB 采用简化表示。
3. 原始 ASCII 图
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| [User/CLI] [CONFIG_DB] [intfmgrd] [Linux Kernel] [fpmsyncd] [APP_DB] [IntfOrch] [RouteOrch] [SAI/SDK/HW] [ASIC_DB]
| | | | | | | | | |
| | | | | | | | | |
|-- 1. SET --> | | | | | | | | |
| [INTERFACE] | | | | | | | | |
| |-- 2. SUB --> | | | | | | | |
| | [INTERFACE] | | | | | | | |
| | |-- 3. nl_send ->| | | | | | |
| | | (RTM_NEWADDR) | | | | | | |
| | | | | | | | | |
| | | |-- 4. NEWADDR >| | | | | |
| | | | | | | | | |
| | | | |-- 5. SET ---->| | | | |
| | | | | [INTF_TABLE] | | | | |
| | | | | | | | | |
| | | | | |-- 6. SUB --->| | | |
| | | | | | [INTF_TABLE] | | | |
| | | | | | |-- 7. HW Trap ────────────────>| |
| | | | | | | 1. Create RIF | |
| | | | | | | 2. Set MyStation MAC | |
| | | | | | | 3. Map IP2ME Trap | |
| | | | | | | | | |
| | | | | | | | | |
| | | |-- 8.NEWROUTE >|[*] 9. Drop | | | | |
| | | | (RTN_LOCAL) | | | | | |
| | | | | | | | | |
| | | |-- 10.NEWROUTE>| | | | | |
| | | | (RTN_UNICAST) | | | | | |
| | | | | | | | | |
| | | | |-- 11. SET --->| | | | |
| | | | | [ROUTE_TABLE] | | | | |
| | | | | | | | | |
| | | | | |-- 12. SUB ─────────────────>| | |
| | | | | | [ROUTE_TABLE] | | |
| | | | | | | | | |
| | | | | | |<-- 13. Query | | |
| | | | | | | RIF Status | | |
| | | | | | | | | |
| | | | | | |── 14.Ready ─>| | |
| | | | | | | | | |
| | | | | | | |-- 15. SAI Call | |
| | | | | | | | (Route/FIBs) | |
| | | | | | | | | |
| | | | | | | |<─ 16. status ──| |
| | | | | | | | (Hardware ACK) | |
| | | | | | | | | |
| | | | | | | |-- 17. Redis SET [ROUTE_TABLE] >|
| | | | | | | | | |
|