华为sr-mpls te手动隧道模型配置案例

NE1（pe1）

ip vpn-instance vpn
ipv4-family
route-distinguisher 100:100
tnl-policy p1 //把vpn实例引入到定义的p1策略中的te隧道
vpn-target 1:1 export-extcommunity
vpn-target 1:1 import-extcommunity

mpls lsr-id 1.1.1.1

mpls
mpls te //开mpls te功能

explicit-path te1 //定义显示标签路径，一条线各sid+SRGB过去对端，这里如何定义，ｃｅ的数据包就怎么走。
next sid label 16200 type prefix //先到中间的net2（P）设备
next sid label 16400 type prefix //再到对端net4(pe2)设备

segment-routing //全局开户段路由功能

interface Ethernet1/0/0
undo shutdown
ip binding vpn-instance vpn //绑定对端ce实例
ip address 192.168.0.1 255.255.255.0
undo dcn
undo dcn mode vlan

interface Ethernet1/0/1
undo shutdown
ip address 10.0.12.1 255.255.255.0
undo dcn
undo dcn mode vlan

interface Ethernet1/0/2
undo shutdown
ip address 10.0.13.1 255.255.255.0
undo dcn mode vlan

interface LoopBack0
ip address 1.1.1.1 255.255.255.255
ospf prefix-sid index 100 //自己本设备的node sid标签

interface Tunnel1 　　 　　　　　　　　　　　　　 /／和对端ｐｅ２建立隧道
ip address unnumbered interface LoopBack0　　　／／借用自己的ｌｏｏｐ地址　　
tunnel-protocol mpls te　　　　　　　　　　　　　／／指定隧道协议
destination 4.4.4.4　　　　　　　　　　　　　　　／／对端ｐｅ地址
mpls te signal-protocol segment-routing　　　　　／／选择ｓｒ协议
mpls te tunnel-id 1　　　　　　　　　　　　　　／／本地有效
mpls te path explicit-path te1 　　　　　　　　　／／手工指定前面指定的显示路径，用于配合下面的隧道负载分担。
（如果有控制器这里就这样配：mpls　te　pce delegate　托管给pce　server）

interface NULL0

bgp 100
peer 2.2.2.2 as-number 100
peer 2.2.2.2 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
peer 2.2.2.2 enable

ipv4-family vpnv4　　　／／全网建立ｖｐｎｖ４的ｂｇｐ邻居
policy vpn-target
peer 2.2.2.2 enable

ipv4-family vpn-instance vpn　　　
peer 192.168.0.2 as-number 65001

ospf 1
opaque-capability enable　　　／／开ｏｓｐｆ１０类ｌｓａ功能
segment-routing mpls　　　　／／开段路由标签分发功能
segment-routing global-block 16000 23999　　　／／定义SRGB范围
area 0.0.0.0
network 0.0.0.0 255.255.255.255
mpls-te enable　　　　　／／开启TE功能

undo dcn

tunnel-policy p1　　　／／定义策略，假设有２条路实现负载分担
tunnel select-seq sr-te load-balance-number 2

NE2（P）

mpls lsr-id 2.2.2.2

mpls
mpls te

segment-routing

interface Ethernet1/0/1
undo shutdown
ip address 10.0.12.2 255.255.255.0
undo dcn
undo dcn mode vlan

interface Ethernet1/0/2
undo shutdown
ip address 10.0.24.2 255.255.255.0
undo dcn mode vlan

interface Ethernet1/0/3
undo shutdown
undo dcn mode vlan

interface LoopBack0
ip address 2.2.2.2 255.255.255.255
ospf prefix-sid index 200

interface NULL0

bgp 100
peer 1.1.1.1 as-number 100
peer 1.1.1.1 connect-interface LoopBack0
peer 4.4.4.4 as-number 100
peer 4.4.4.4 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
peer 1.1.1.1 enable
peer 4.4.4.4 enable

ipv4-family vpnv4
undo policy vpn-target
peer 1.1.1.1 enable
peer 1.1.1.1 reflect-client
peer 4.4.4.4 enable
peer 4.4.4.4 reflect-client

ospf 1
opaque-capability enable
segment-routing mpls
segment-routing global-block 16000 23999
area 0.0.0.0
network 0.0.0.0 255.255.255.255
mpls-te enable

undo dcn

NE4（ＰＥ２）

ip vpn-instance vpn
ipv4-family
route-distinguisher 100:200
tnl-policy p1
vpn-target 1:1 export-extcommunity
vpn-target 1:1 import-extcommunity

mpls lsr-id 4.4.4.4

mpls
mpls te

explicit-path te1
next sid label 16200 type prefix
next sid label 16100 type prefix

segment-routing

interface Ethernet1/0/0
undo shutdown
ip binding vpn-instance vpn
ip address 192.168.1.1 255.255.255.0
undo dcn
undo dcn mode vlan

interface Ethernet1/0/1
undo shutdown
undo dcn
undo dcn mode vlan

interface Ethernet1/0/2
undo shutdown
ip address 10.0.24.4 255.255.255.0
undo dcn mode vlan

interface Ethernet1/0/3
undo shutdown
ip address 10.0.34.4 255.255.255.0
undo dcn mode vlan

interface LoopBack0
ip address 4.4.4.4 255.255.255.255
ospf prefix-sid index 400

interface Tunnel1
ip address unnumbered interface LoopBack0
tunnel-protocol mpls te
destination 1.1.1.1
mpls te signal-protocol segment-routing
mpls te tunnel-id 1
mpls te path explicit-path te1

interface NULL0

bgp 100
peer 2.2.2.2 as-number 100
peer 2.2.2.2 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
peer 2.2.2.2 enable

ipv4-family vpnv4
policy vpn-target
peer 2.2.2.2 enable

ipv4-family vpn-instance vpn
peer 192.168.1.2 as-number 65002

ospf 1
opaque-capability enable
segment-routing mpls
segment-routing global-block 16000 23999
area 0.0.0.0
network 0.0.0.0 255.255.255.255
mpls-te enable

undo dcn

tunnel-policy p1
tunnel select-seq sr-te load-balance-number 2

查看：

tracert lsp segment-routing te Tunnel 1
查看标签计算分配情况

display tunnel-info all
查看所有的隧道

display ip routing-table vpn-instance vpn 22.1.1.1 verbose
查看到对端22.1.1.1走的是哪个隧道

查看用了策略后走的是ｔｅ隧道，默认会走下面的ｂｅ隧道

原文地址：https://blog.csdn.net/ydaxia110/article/details/137999378

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