H3C Segment Routing配置手册

小乔

目录
1 SR-MPLS·············································································································································· 1-1
1.1 SR-MPLS 简介·································································································································· 1-1
1.1.1 SR-MPLS 的特点···················································································································· 1-1
1.1.2 SR-MPLS 基本概念················································································································ 1-1
1.1.3 SR-MPLS 隧道建立机制········································································································· 1-2
1.1.4 流量引入SR-MPLS 隧道········································································································ 1-2
1.1.5 静态配置Segment·················································································································· 1-4
1.1.6 通过 IGP 协议动态分配SID···································································································· 1-4
1.1.7 通过 BGP 协议动态分配SID ·································································································· 1-5
1.1.8 通过 BGP-EPE 功能分配SID ································································································· 1-5
1.1.9 根据SID 建立标签转发表项···································································································· 1-6
1.1.10 建立 SRLSP·························································································································· 1-9
1.1.11 SR-MPLS 报文转发过程······································································································· 1-9
1.2 IGP SR 与LDP 互通························································································································ 1-12
1.2.1 SR to LDP····························································································································· 1-12
1.2.2 LDP to SR····························································································································· 1-13
1.2.3 SR over LDP························································································································· 1-14
1.3 BGP SR 与LDP 互通······················································································································ 1-15
1.3.1 SR to LDP····························································································································· 1-16
1.3.2 LDP to SR····························································································································· 1-17
1.4 TI-LFA FRR····································································································································· 1-17
1.4.1 TI-LFA FRR 优势·················································································································· 1-17
1.4.2 TI-LFA FRR 相关概念··········································································································· 1-18
1.4.3 TI-LFA FRR 路径计算··········································································································· 1-18
1.4.4 TI-LFA FRR 转发流程··········································································································· 1-19
1.4.5 正切防微环···························································································································· 1-20
1.4.6 回切防微环···························································································································· 1-21
1.5 协议规范·········································································································································· 1-21
1.6 SR-MPLS 配置限制和指导·············································································································· 1-22
1.7 SR-MPLS 配置任务简介·················································································································· 1-22
1.7.1 SRLSP 转发IP 流量配置任务简介························································································ 1-22
1.7.2 MPLS TE 隧道采用静态SRLSP 转发流量配置任务简介······················································ 1-22
1.7.3 MPLS TE 隧道采用显式路径SRLSP 转发流量配置任务简介··············································· 1-22
更多资源请访问鸿鹄论坛：http://bbs.hh010.com/
1.7.4 MPLS TE 隧道采用PCE 计算建立的SRLSP 转发流量配置任务简介·································· 1-23
1.8 配置基于MPLS 的SRGB 的标签范围····························································································· 1-23
1.9 配置基于MPLS 的SRLB 的标签范围····························································································· 1-24
1.10 静态配置Segment ························································································································ 1-24
1.10.1 配置准备····························································································································· 1-24
1.10.2 配置静态Adjacency Segment ···························································································· 1-25
1.10.3 配置静态Prefix Segment···································································································· 1-25
1.11 配置通过IGP 扩展通告SID ·········································································································· 1-26
1.11.1 通过 IGP 分配SID 配置任务简介························································································ 1-26
1.11.2 配置准备····························································································································· 1-26
1.11.3 开启 IGP 支持SR-MPLS 功能···························································································· 1-26
1.11.4 配置前缀SID ······················································································································ 1-27
1.11.5 开启 IGP 邻接标签分配功能································································································ 1-28
1.11.6 配置邻接SID ······················································································································ 1-28
1.12 配置通过BGP 扩展通告SID········································································································· 1-29
1.12.1 通过 BGP 分配SID 配置任务简介······················································································ 1-29
1.12.2 配置准备····························································································································· 1-30
1.12.3 开启 BGP 支持SR-MPLS 功能··························································································· 1-30
1.12.4 配置 BGP SR 前缀SID······································································································· 1-30
1.12.5 配置设备在SR-MPLS 组网中作为Egress 节点时为倒数第二跳分配的标签类型··············· 1-31
1.13 配置 BGP-EPE 功能······················································································································ 1-32
1.13.1 功能简介····························································································································· 1-32
1.13.2 配置通过BGP-EPE 功能分配SID······················································································ 1-32
1.13.3 配置 BGP-EPE Peer Set 组································································································ 1-33
1.14 配置优先使用SRLSP 转发流量····································································································· 1-34
1.14.1 功能简介····························································································································· 1-34
1.14.2 配置限制和指导·················································································································· 1-34
1.14.3 配置优先使用IS-IS SR 建立的SRLSP 转发流量······························································· 1-34
1.14.4 配置优先使用OSPF SR 建立的SRLSP 转发流量····························································· 1-34
1.15 配置 MPLS TE 隧道采用静态SRLSP ··························································································· 1-35
1.15.1 MPLS TE 隧道采用静态SRLSP 配置任务简介·································································· 1-35
1.15.2 配置用于MPLS TE 的静态SRLSP ···················································································· 1-35
1.15.3 配置 MPLS TE 隧道采用静态SRLSP················································································· 1-35
1.16 配置 MPLS TE 隧道采用显式路径SRLSP···················································································· 1-36
1.16.1 配置 MPLS TE 隧道采用显式路径SRLSP 配置任务简介··················································· 1-36
1.16.2 配置准备····························································································································· 1-36
更多资源请访问鸿鹄论坛：http://bbs.hh010.com/
1.16.3 配置用于MPLS TE 的显式路径SRLSP············································································· 1-36
1.16.4 配置 MPLS TE 隧道采用显式路径SRLSP ········································································· 1-36
1.17 配置 MPLS TE 隧道采用PCE 计算建立SRLSP··········································································· 1-37
1.17.1 MPLS TE 隧道采用PCE 计算建立SRLSP 配置任务简介·················································· 1-37
1.17.2 配置 MPLS TE 隧道采用PCE 计算SRLSP········································································ 1-37
1.18 配置 IGP SR 和LDP 互通············································································································· 1-38
1.18.1 SR 和LDP 互通配置限制和指导························································································· 1-38
1.18.2 SR to LDP 配置任务简介···································································································· 1-38
1.18.3 LDP to SR 配置任务简介···································································································· 1-38
1.18.4 SR over LDP 配置任务简介································································································ 1-38
1.18.5 SR 和LDP 互通配置准备···································································································· 1-39
1.18.6 开启通告本地SID 标签映射消息功能················································································· 1-39
1.18.7 配置前缀和SID 的映射关系································································································ 1-39
1.18.8 开启接收远端SID 标签映射消息功能················································································· 1-40
1.19 配置 BGP SR 和LDP 互通············································································································ 1-40
1.19.1 BGP SR 和LDP 互通配置限制和指导················································································ 1-40
1.19.2 SR to LDP 配置任务简介···································································································· 1-41
1.19.3 LDP to SR 配置任务简介···································································································· 1-41
1.19.4 开启前缀和SID 的映射功能································································································ 1-41
1.20 配置 TI-LFA FRR··························································································································· 1-41
1.20.1 TI-LFA FRR 配置限制和指导······························································································ 1-41
1.20.2 TI-LFA FRR 配置任务简介·································································································· 1-42
1.20.3 开启 TI-LFA FRR 功能········································································································ 1-42
1.20.4 配置接口不参与TI-LFA 计算······························································································ 1-43
1.20.5 配置防微环功能·················································································································· 1-44
1.21 SR-MPLS 显示和维护··················································································································· 1-45
1.22 SR-MPLS 典型配置举例················································································································ 1-46
1.22.1 静态配置Segment 配置举例······························································································· 1-46
1.22.2 通过 IS-IS 通告SID 配置举例····························································································· 1-52
1.22.3 通过 OSPF 通告SID 配置举例··························································································· 1-58
1.22.4 通过显式路径计算SRLSP 配置举例··················································································· 1-63
1.22.5 通过 PCE 计算SRLSP 配置举例························································································ 1-69
1.22.6 跨域 VPN-OptionB 方式SR-MPLS 配置举例····································································· 1-75
1.22.7 跨域 VPN-OptionC 方式SR-MPLS 配置举例一·································································· 1-81
1.22.8 跨域 VPN-OptionC 方式SR-MPLS 配置举例二·································································· 1-88
1.22.9 跨域 VPN-OptionC 方式SR-MPLS 配置举例三·································································· 1-95
更多资源请访问鸿鹄论坛：http://bbs.hh010.com/
1.22.10 SR-MPLS to LDP 配置举例（IS-IS）············································································· 1-103
1.22.11 SR-MPLS to LDP 配置举例（OSPF） ··········································································· 1-106
1.22.12 SR-MPLS over LDP 网络互通配置举例·········································································· 1-109
1.22.13 IS-IS TI-LFA FRR 配置举例···························································································· 1-113

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