XRV1配置：
======================================================================================
hostname XRV1
interface Loopback0
ipv4 address 192.168.1.1 255.255.255.255
!
interface MgmtEth0/0/CPU0/0
shutdown
!
interface GigabitEthernet0/0/0/0
ipv4 address 10.10.1.1 255.255.255.252
!
interface GigabitEthernet0/0/0/1
ipv4 address 10.10.2.1 255.255.255.252
!
interface GigabitEthernet0/0/0/2
shutdown
!
router ospf 100
router-id 192.168.1.1
segment-routing mpls
segment-routing forwarding mpls
area 0
interface Loopback0
prefix-sid index 1
!
interface GigabitEthernet0/0/0/0
network point-to-point
!
interface GigabitEthernet0/0/0/1
network point-to-point
!
!
!
end
XRV2配置：
======================================================================================
hostname XRV2
interface Loopback0
ipv4 address 192.168.1.2 255.255.255.255
!
interface MgmtEth0/0/CPU0/0
shutdown
!
interface GigabitEthernet0/0/0/0
ipv4 address 10.10.1.2 255.255.255.252
!
interface GigabitEthernet0/0/0/1
ipv4 address 10.10.4.1 255.255.255.252
!
interface GigabitEthernet0/0/0/2
ipv4 address 10.10.5.1 255.255.255.252
!
router ospf 100
router-id 192.168.1.2
segment-routing mpls
segment-routing forwarding mpls
area 0
interface Loopback0
network point-to-point
prefix-sid index 2
!
interface GigabitEthernet0/0/0/0
network point-to-point
!
interface GigabitEthernet0/0/0/1
network point-to-point
!
interface GigabitEthernet0/0/0/2
network point-to-point
!
!
!
segment-routing
!
end
XRV3配置：
======================================================================================
hostname XRV3
interface Loopback0
ipv4 address 192.168.1.3 255.255.255.255
!
interface MgmtEth0/0/CPU0/0
shutdown
!
interface GigabitEthernet0/0/0/0
ipv4 address 10.10.3.1 255.255.255.252
!
interface GigabitEthernet0/0/0/1
ipv4 address 10.10.2.2 255.255.255.252
!
interface GigabitEthernet0/0/0/2
shutdown
!
router ospf 100
router-id 192.168.1.3
segment-routing mpls
segment-routing forwarding mpls
area 0
interface Loopback0
prefix-sid index 3
!
interface GigabitEthernet0/0/0/0
network point-to-point
!
interface GigabitEthernet0/0/0/1
network point-to-point
!
!
!
end
XRV4配置：
======================================================================================
hostname XRV4
interface Loopback0
ipv4 address 192.168.1.4 255.255.255.255
!
interface MgmtEth0/0/CPU0/0
shutdown
!
interface GigabitEthernet0/0/0/0
ipv4 address 10.10.3.2 255.255.255.252
!
interface GigabitEthernet0/0/0/1
ipv4 address 10.10.4.2 255.255.255.252
!
interface GigabitEthernet0/0/0/2
ipv4 address 10.10.6.1 255.255.255.252
!
router ospf 100
router-id 192.168.1.4
segment-routing mpls
segment-routing forwarding mpls
area 0
interface Loopback0
prefix-sid index 4
!
interface GigabitEthernet0/0/0/0
network point-to-point
!
interface GigabitEthernet0/0/0/1
network point-to-point
!
interface GigabitEthernet0/0/0/2
network point-to-point
!
!
!
end
XRV5配置：
======================================================================================
hostname XRV5
interface Loopback0
ipv4 address 192.168.1.5 255.255.255.255
!
interface MgmtEth0/0/CPU0/0
shutdown
!
interface GigabitEthernet0/0/0/0
ipv4 address 10.10.5.2 255.255.255.252
!
interface GigabitEthernet0/0/0/1
ipv4 address 10.10.6.2 255.255.255.252
!
interface GigabitEthernet0/0/0/2
shutdown
!
router ospf 100
router-id 192.168.1.5
segment-routing mpls
segment-routing forwarding mpls
area 0
interface Loopback0
prefix-sid index 5
!
interface GigabitEthernet0/0/0/0
network point-to-point
!
interface GigabitEthernet0/0/0/1
network point-to-point
!
!
!
end
在XRV1上使用show mpls forwarding查看前缀段和邻接段：
