1. 配置IP地址
[LSR1-GigabitEthernet0/0/0]ip add 10.1.1.1 24
[LSR1-LoopBack0]ip add 1.1.1.1 32
[LSR2-GigabitEthernet0/0/0]ip add 10.1.1.2 24
[LSR2-GigabitEthernet0/0/1]ip add 10.1.2.2 24
[LSR2-LoopBack0]ip add 2.2.2.2 32
[LSR3-GigabitEthernet0/0/0]ip add 10.1.2.3 24
[LSR3-LoopBack0]ip add 3.3.3.3 32
2. 配置IS-IS协议发布路由
[LSR1]isis 1
[LSR1-isis-1]network-entity 00.0001.0000.0000.0001.00
[LSR1-isis-1]is-level level-2
[LSR1-GigabitEthernet0/0/0]isis enable 1
[LSR1-LoopBack0]isis enable 1
[LSR2]isis 1
[LSR2-isis-1]network-entity 00.0001.0000.0000.0002.00
[LSR2-isis-1]is-level level-2
[LSR2-GigabitEthernet0/0/0]isis enable 1
[LSR2-GigabitEthernet0/0/1]isis enable 1
[LSR2-LoopBack0]isis enable 1
[LSR3]isis 1
[LSR3-isis-1]network-entity 00.0001.0000.0000.0003.00
[LSR3-isis-1]is-level level-2
[LSR3-GigabitEthernet0/0/0]isis enable 1
[LSR3-LoopBack0]isis enable 1
3. 配置MPLS基本能力，使能MPLS TE
[LSR1]mpls lsr-id 1.1.1.1
[LSR1]mpls
[LSR1-mpls]mpls te
[LSR1-mpls]mpls rsvp-te
[LSR1-GigabitEthernet0/0/0]mpls
[LSR1-GigabitEthernet0/0/0]mpls te
[LSR1-GigabitEthernet0/0/0]mpls rsvp-te
[LSR2]mpls lsr-id 2.2.2.2
[LSR2]mpls
[LSR2-mpls]mpls te
[LSR2-mpls]mpls rsvp-te
[LSR2-GigabitEthernet0/0/0]mpls
[LSR2-GigabitEthernet0/0/0]mpls te
[LSR2-GigabitEthernet0/0/0]mpls rsvp-te
[LSR2-GigabitEthernet0/0/1]mpls
[LSR2-GigabitEthernet0/0/1]mpls te
[LSR2-GigabitEthernet0/0/1]mpls rsvp-te
[LSR3]mpls lsr-id 3.3.3.3
[LSR3]mpls
[LSR3-mpls]mpls te
[LSR3-mpls]mpls rsvp-te
[LSR3-GigabitEthernet0/0/0]mpls
[LSR3-GigabitEthernet0/0/0]mpls te
[LSR3-GigabitEthernet0/0/0]mpls rsvp-te
4. 配置IS-IS TE
[LSR1]isis 1
[LSR1-isis-1]cost-style wide
[LSR1-isis-1]traffic-eng level-2
[LSR2]isis 1
[LSR2-isis-1]cost-style wide
[LSR2-isis-1]traffic-eng level-2
[LSR3]isis 1
[LSR3-isis-1]cost-style wide
[LSR3-isis-1]traffic-eng level-2
5. 配置MPLS TE隧道接口, 使能MPLS TE CSPF
[LSR1]int Tunnel 0/0/1
[LSR1-Tunnel0/0/1]ip add unnumbered interface LoopBack 0
[LSR1-Tunnel0/0/1]tunnel-protocol mpls te
[LSR1-Tunnel0/0/1]destination 3.3.3.3
[LSR1-Tunnel0/0/1]mpls te tunnel-id 10
[LSR1-Tunnel0/0/1]mpls te signal-protocol rsvp-te
[LSR1-Tunnel0/0/1]mpls te commit
[LSR1]mpls
[LSR1-mpls]mpls te cspf
6. 检查配置
