CCIE电子教材——Security （高清无水印PDF）
MPLS/MPLS VPN
目录
非lP包头交换过程....................................................................................4
1.帧中继PVC交换方式......................................................................4
2.非IP数字包头交换方式.....................................................................5
3.交换方式总结...............................................................................6
4.MPLS（多协议标签交换）...............................................................7
MPLS优势：.........................................................................................8
思科MPLS历史.....................................................................................10
MPLS标签...........................................................................................10
MPLS标签栈.................................................................................................11
MPLS设备类型.....................................................................................11
LSR操作过程.........................................................................................13
标签交换路径LSP...................................................................................13
转发等价类（FEC）.................................................................................13
MPLS标签交换过程................................................................................14
打标签............................................................................................15
标签分发方式.......................................................................................16
1.在现有的路由协议中分发..............................................................16
2.标签分发协议................................................................................16
标签分发协议LDP...............................................................................17
标签分发模式...................................................................................18
1.标签分发模式：.............................................................................19
2.标签保存模式.................................................................................19
3.LSP控制模式.....................................................................................20
MPLS负载均衡............................................................................................21
MPLS未知标签............................................................................................21
MPLS保留标签.........................................................................................21
MPLS TTL行为............................................................................................22
MPLS MTU..................................................................................................23
MPLS最大接收单元（MRU）........................................................................23
MTU路径发现...................................................................................24
标签分发.......................................................................................24
LDP运行..............................................................................................24
配置MPLS............................................................................................25
1.查看和修改标签范围（可选配置）.......................................................26
2.查看和修改MTU（可选配置）..........................................................26
3.全局开启CEF（必须配置）.............................................................27
4.配置LDP（必须配置）...............................................................27
5.查看LDP简单信息............................................................................29
6.查看LDP邻居相关信息........................................................................34
7.查看标签交换相关信息.....................................................................43
8.查看标签交换过程..........................................................................51
9.查看数据包交换数量.........................................................................57
10.路由条目的标签限制........................................................................58
LDP邻居认证.........................................................................................61
LDP会话保护.......................................................................................62
1.配置会话保护.................................................................................63
2.查看会话保护效果..........................................................................64
3.手工配置远程会话.........................................................................68
IGP和LDP同步......................................................................................72
概述.............................................................................................72
1.配置IGP和LDP的同步.......................................................................73
2.查看配置..................................................................................74
3.配置Holddown...............................................................................75
4.查看同步的效果...........................................................................75
RD（路由区分符）.........................................................................................80
VRF（虚拟路由表）....................................................................................81
RT（路由对象）............................................................................................83
MP-B.GP......................................................................................................86
MP-BGP规则.................................................................................................87
PE-CE路由协议..........................................................................................88
协议配置方法..............................................................................................88
1.静态路由....................................................................................89
2.RIPv2....................................................................................................89
3.OSPF.....................................................................................................90
4.EIGRP...................................................................................................91
5.EBGP...................................................................................................92
配置MPLS_VPN..............................................................................................94
1.配置MPLS........................................................................................94
2.配置普通BGP.......................................................................................96
3.在PE上创建VRF...................................................................................97
4.在PE上将连CE的接口划入VRF....................................................................98
5.在PE上查看VRF的路由表情况...............................................................98
6.创建MP-BGP.......................................................................................101
7.查看MP-BGP的VRF路由.....................................................................102
8.为MP-BGP创建VR.F.............................................................................103
9.配置RT控制VRF路由信息....................................................................103
10.配置PE-CE的路由协议.....................................................................104
11.在PE上查看VRF路由.......................................................................106
12.将路由重分布进MP-BGP.......................................................................107
13.查看MP-BGP路由........................................................................108
14.查看VRF路由................................................................................109
15.查看CE路由................................................................................112
16.测试用户之间通信........................................................................114
17.PE到CE的通信............................................................................117
OSPF Sham-Link............................................................................................119
配置osPF Sham-Link.............................................................................121
外部通信...........................................................................................134
1.在PE为LAN上创建VRF.........................................................................135
2.配置PE-CE路由协议..........................................................................136
3.配置EIGRP重分布进BGP.........................................................................136
4.查看MP-BGP中的VRF路由表.............................................................137
5.配置RT允许双方VRF进入..........................................................................138
6.查看双方VRF路由表.........................................................................138
7.测试两个LAN的连通性....................................................................141
CE接入英特网.......................................................................................142
1.配置VRF静态路由..............................................................................143
2.在PE-CE间配置Tunnel..............................................................................144
更多PE-CE路由协议.................................................................................145
1.静态写VRF路由.......................................................................145
2.PE-CE之间运行EBGP...............................................................................147
Multi-VRF CE/VRF-Lite.....................................................................................149
1.将MPLS区域网络配通......................................................................150
2.配置MP-BGP.............................................................................................151
3.在CE上为不同部门创建不同VRF...................................................................151
4.将相应部门的接口划入相应VR.F.............................................................152
5.配置PE-CE间的OSPF............................................................................153
6.在PE上创建VRF.................................................................................154
7.在PE上启动OSPF................................................................................155
8.在MP-BGP和OSPF间重分布.................................................................155
9.查看CE各自VRF的路由.....................................................................156
10.测试连通性....................................................................................158
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