Use LP1 1.1.1.1 to simulate the headquarters server and LP1 2.2.2.2 to simulate the branch client.
2. Device configuration
Our MSR equipment is used as NHC with the following configuration
interface Tunnel2 mode mgre
ip address 112.0.0.2 255.255.255.0 // Tunnel belongs to the global domain
ospf network-type broadcast
ospf 1 area 0.0.0.0
source GigabitEthernet0/2
tunnel vpn-instance 1
nhrp network-id 9
nhrp authentication cipher $c$3$0MPkuM74bLtxsHEdSUNO7ajg92Foa9YdbA==
nhrp holdtime 2600
nhrp nhs 112.0.0.1 nbma 1.0.0.1
#
interface GigabitEthernet0/2
port link-mode route
combo enable copper
ip binding vpn-instance 1
ip address 1.0.0.2 255.255.255.0
interface LoopBack1 // simulate the branch client.
ip address 2.2.2.2 255.255.255.0
ospf 1 area 0.0.0.0
B. Configuration of Cisco equipment
interface Loopback1 // simulate the HQ server
ip address 1.1.1.1 255.255.255.0
ip ospf 1 area 0
!
interface Tunnel1
ip address 112.0.0.1 255.255.255.0
no ip redirects
ip nhrp authentication 123456
ip nhrp map multicast dynamic
ip nhrp network-id 9
ip nhrp holdtime 3600
ip ospf network broadcast
ip ospf 1 area 0
tunnel source 1.0.0.1
tunnel mode gre multipoint
!
interface GigabitEthernet0/0
ip address 1.0.0.1 255.255.255.0
duplex auto
speed auto
media-type rj45
2. The test results
[MSR]dis ospf routing
OSPF Process 1 with Router ID 168.32.187.31
Routing Table
Routing for network
Destination Cost Type NextHop AdvRouter Area
1.1.1.0/24 1563 Stub 112.0.0.1 112.0.0.1 0.0.0.0
112.0.0.0/24 1562 Transit 0.0.0.0 112.0.0.1 0.0.0.0
2.2.2.2/32 0 Stub 0.0.0.0 168.32.187.31 0.0.0.0
When ping the local loopback 1.1.1.1 on Cisco device from local loopback 2.2.2.2, the traffic is normal:
[MSR]ping -a 2.2.2.2 1.1.1.1
Ping 1.1.1.1 (1.1.1.1) from 2.2.2.2: 56 data bytes, press CTRL+C to break
56 bytes from 1.1.1.1: icmp_seq=0 ttl=255 time=0.777 ms
56 bytes from 1.1.1.1: icmp_seq=1 ttl=255 time=0.700 ms
56 bytes from 1.1.1.1: icmp_seq=2 ttl=255 time=0.592 ms
56 bytes from 1.1.1.1: icmp_seq=3 ttl=255 time=0.600 ms
56 bytes from 1.1.1.1: icmp_seq=4 ttl=255 time=0.551 ms
--- Ping statistics for 1.1.1.1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.551/0.644/0.777/0.083 ms