public与vpn实例之间互访
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问题描述：
源地址3.3.3.3，目的地址172.19.11.126。需要互通。现在配置完成后无法相互ping通。
组网及组网描述：
407配置：
#
interface Ethernet1/0/0
undo shutdown
ip address 172.19.11.126 255.255.255.252
dcn
dcn mode vlan
#
ip route-static 0.0.0.0 0.0.0.0 172.19.11.125
408配置：
#
interface Ethernet1/0/0
undo shutdown
ip binding vpn-instance 123
ip address 172.19.11.125 255.255.255.252
dcn
dcn mode vlan
#
interface Ethernet1/0/1
undo shutdown
ip address 172.19.2.1 255.255.255.252
ospf enable 10 area 0.0.0.0
dcn
dcn mode vlan
#
ip vpn-instance 123
ipv4-family
import-rib public protocol ospf 10
route-distinguisher 12:11
#
ospf 10
area 0.0.0.0
#
ip route-static 172.19.11.124 255.255.255.252 vpn-instance 123
409配置:
#
interface Ethernet1/0/0
undo shutdown
ip address 172.19.2.2 255.255.255.252
ospf enable 10 area 0.0.0.0
dcn
dcn mode vlan
#
interface LoopBack1
ip address 172.19.7.1 255.255.255.0
ospf enable 10 area 0.0.0.0
#
ospf 10
area 0.0.0.0
- 2025-07-07提问
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您好，检查宣告路由
- 2025-07-07回答
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407路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 8 Routes : 8 Destination/Mask Proto Pre Cost Flags NextHop Interface 0.0.0.0/0 Static 60 0 RD 172.19.11.125 Ethernet1/0/0 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.11.124/30 Direct 0 0 D 172.19.11.126 Ethernet1/0/0 172.19.11.126/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.11.127/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 408路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 10 Routes : 10 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.2.0/30 Direct 0 0 D 172.19.2.1 Ethernet1/0/1 172.19.2.1/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/1 172.19.2.3/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/1 172.19.7.1/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 172.19.11.124/30 Static 60 0 DT 0.0.0.0 123 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : 123 Destinations : 7 Routes : 7 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.7.1/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 172.19.11.124/30 Direct 0 0 D 172.19.11.125 Ethernet1/0/0 172.19.11.125/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.11.127/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 409路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 11 Routes : 11 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 Direct 0 0 D 127.0.0.1 LoopBack0 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.2.0/30 Direct 0 0 D 172.19.2.2 Ethernet1/0/0 172.19.2.2/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.2.3/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.7.0/24 Direct 0 0 D 172.19.7.1 LoopBack1 172.19.7.1/32 Direct 0 0 D 127.0.0.1 LoopBack1 172.19.7.255/32 Direct 0 0 D 127.0.0.1 LoopBack1 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
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407路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 8 Routes : 8 Destination/Mask Proto Pre Cost Flags NextHop Interface 0.0.0.0/0 Static 60 0 RD 172.19.11.125 Ethernet1/0/0 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.11.124/30 Direct 0 0 D 172.19.11.126 Ethernet1/0/0 172.19.11.126/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.11.127/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 408路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 10 Routes : 10 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.2.0/30 Direct 0 0 D 172.19.2.1 Ethernet1/0/1 172.19.2.1/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/1 172.19.2.3/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/1 172.19.7.1/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 172.19.11.124/30 Static 60 0 DT 0.0.0.0 123 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : 123 Destinations : 7 Routes : 7 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.7.1/32 OSPF 10 1 D 172.19.2.2 Ethernet1/0/1 172.19.11.124/30 Direct 0 0 D 172.19.11.125 Ethernet1/0/0 172.19.11.125/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.11.127/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 409路由信息： Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route ------------------------------------------------------------------------------ Routing Table : _public_ Destinations : 11 Routes : 11 Destination/Mask Proto Pre Cost Flags NextHop Interface 3.3.3.3/32 Direct 0 0 D 127.0.0.1 LoopBack0 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 172.19.2.0/30 Direct 0 0 D 172.19.2.2 Ethernet1/0/0 172.19.2.2/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.2.3/32 Direct 0 0 D 127.0.0.1 Ethernet1/0/0 172.19.7.0/24 Direct 0 0 D 172.19.7.1 LoopBack1 172.19.7.1/32 Direct 0 0 D 127.0.0.1 LoopBack1 172.19.7.255/32 Direct 0 0 D 127.0.0.1 LoopBack1 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0