5. 后续地址族标识符 (Subsequent Address Family Identifier)

5. 后续地址族标识符 (Subsequent Address Family Identifier)

本文档为 MP_REACH_NLRI 和 MP_UNREACH_NLRI 属性中携带的 Subsequent Address Family Identifier 字段定义以下值:

1 - 用于单播转发的网络层可达性信息 (Network Layer Reachability Information)

2 - 用于组播转发的网络层可达性信息 (Network Layer Reachability Information)

3 - 同时用于单播和组播转发的网络层可达性信息 (Network Layer Reachability Information)