包邮锐捷认证互联网专家RCIE＆RS实验指南

目 录
第 1 章 BGP 路由协议 ·····················································································.1
1.1 BGP 路径属性 ······················································································.1
1.1.1 Origin 属性··················································································.1
? 原理 ·······················································································.1
? 任务拓扑 ·················································································.1
? 实施步骤 ·················································································.1
? 任务验证 ·················································································.4
? 问题与思考 ··············································································.5
1.1.2 AS-Path 属性 ···············································································.5
? 原理 ·······················································································.5
? 任务拓扑 ·················································································.5
? 实施步骤 ·················································································.5
? 任务验证 ·················································································.7
? 问题与思考 ··············································································.8
1.1.3 Next-Hop 属性 ·············································································.8
? 原理 ·······················································································.8
? 任务拓扑 ·················································································.9
? 实施步骤 ·················································································.9
? 任务验证 ···············································································.11
? 问题与思考 ············································································.13
1.1.4 Local Preference 属性···································································.13
? 原理 ·····················································································.13
? 任务拓扑 ···············································································.14
? 实施步骤 ···············································································.14
? 任务验证 ···············································································.16
? 问题与思考 ············································································.17
1.1.5 MED 属性·················································································.17
? 原理 ·····················································································.17
? 任务拓扑 ···············································································.17
? 实施步骤 ···············································································.17
? 任务验证 ···············································································.19
? 问题与思考 ············································································.21
1.1.6 Community 属性 ···································································21
? 原理 ·····················································································.21
? 任务拓扑 ···············································································.22
? 实施步骤 ···············································································.22
? 任务验证 ···············································································.24
? 问题与思考 ············································································.26
1.2 BGP 选路原则 ····················································································.26
1.2.1 选路原则 1—优选 Weight 值大····················································.26
? 原理 ·····················································································.26
? 任务拓扑 ···············································································.26
? 实施步骤 ···············································································.26
? 任务验证 ···············································································.29
? 问题与思考 ···········································1