| 流程 | 打标 → 跨 AS 传递 → 匹配 → 设置属性 |
|---|---|
| 优势 | 策略语义集中在标签定义 |
| 前提 | 两侧社区编号约定形成文档 |
| 配套 | 变更时同步更新标签表与 route-map |
按标签设 LOCAL_PREF
按标签设 LOCAL_PREF
ip community-list standard CL-PEER permit 65002:300
route-map RM-PEER permit 10
match community CL-PEER
set local-preference 90
!
router bgp 65001
neighbor 10.0.0.2 route-map RM-PEER in