Run igp on the intranet first
R1:
router ospf 110
router-id 1.1.1.1
network 1.1.1.1 0.0.0.0 area 0
network 12.1.1.1 0.0.0.0 area 0
network 13.1.1.1 0.0.0.0 area 0
r2
router ospf 110
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 12.1.1.2 0.0.0.0 area 0
netw
r3:
router ospf 110
router-id 3.3.3.3
network 13.1.1.3 0.0.0.0 area 0
network 3.3.3.3 0.0.0.0 area 0
Enable mpls
r1
ip cef
mpls label protocol ldp // 思科需要敲 数据层面：启用mpls的转发机制，在发数据的时候尝试打标。 ldp/tdp的宣告 新设备默认ldp
mpls ldp router-id loopback 0 force // force 无论当前是否建立ldp邻居 都拿loopback0 来做传输地址
mpls ip
int e0/0
mpls ip
r2
ip cef
mpls ip
mpls label protocol ldp
mpls ldp router-id loopback 0 force
int e0/1
mpls ip
r3
ip cef
mpls ip
mpls label protocol ldp
mpls ldp router-id loopback 0 force
int e0/0
mpls ip
View command
show mpls ldp neighbor
show mpls ldp bindings 查看FIB
show mpls forwarding-table
Build bgp
r4:
router bgp 4 //as号
no auto-summary
no synchronization
bgp router-id 4.4.4.4
neighbor 24.1.1.2 remote-as 10 //默认自动建立ipv4的邻居关系。
network 8.8.8.0 mask 255.255.255.0
r2
router bgp 10
no auto-summary
no synchronization
bgp router-id 2.2.2.2
neighbor 24.1.1.4 remote-as 4
neighbor 3.3.3.3 remote-as 10
neighbor 3.3.3.3 updatesource loopback 0
neighbor 3.3.3.3 next-hop-self
r3
router bgp 10
no auto-summary
no synchronization
bgp router-id 3.3.3.3
neighbor 35.1.1.5 remote-as 5
neighbor 2.2.2.2 update-source 3.3.3.3
neighbor 2.2.2.2 remote-as 10
neighbor 2.2.2.2 next-hop-self
r5
router bgp 5
no auto-summary
no synchronization
bgp router-id 5.5.5.5
neighbor 35.1.1.3 remote-as 10
network 9.9.9.0 mask 255.255.255.0
Based on Huawei:
Enable igp on r1,2,3
Kai mpls
r1
mpls // 全局启m用mpls
mpls lsr-id 1.1.1.1 //传输地址
mpls
mpls ldp
int g0/0/0-1
mpls // 数据层面
mpls ldp //控制层面
r2 r3
mpls
mpls lsr-id x.x.x.x
mpls
mpls ldp
int g0/0/n
mpls
mpls ldp
Full iteration command: route recursive-lookup tunnel
View display mpls ldp per /verbose
display mpls lsp label switching path
Enable bgp
r4
router-id 4.4.4.4
peer 24.1.1.2 as-number 10
network 0.0.0.0 255.255.255.0
r2
bgp 10
router-id 2.2.2.2
peer 24.1.1.4 as-number 4
peer 3.3.3.3 as-number 10
peer 3.3.3.3 connect-interface loopback 0
peer 3.3.3.3 next-hop-local
r3
bgp 10
router-id 3.3.3.3
peer 35.1.1.5 as-number 5
peer 2.2.2.2 as-number 10
peer 2.2.2.2 connect-interface loopback 0
peer 2.2.2.2 next-hop-local
r5
bgp 5
router-id 5.5.5.5
peer 35.1.1.3 as-number 10
network 9.9.9.0 255.255.255.0
display bgp peer
