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--- Ping statistics for 172.16.2.2 ---

5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss

round-trip min/avg/max/std-dev = 1.000/2.600/7.000/2.245 ms

# Verify the connectivity between a host on subnet 172.16.1.0/24 and a host on subnet 172.16.2.0/24.

The ping operation succeeds.

IP unnumbered configuration example

Network requirements

As shown in Figure 14, two routers on an intranet are connected to each other through serial

interfaces across a Digital Data Network. Each router connects to a LAN through an Ethernet

interface.

To save IP addresses, configure the serial interfaces to borrow IP addresses from the Ethernet

interfaces.

Figure 14 Network diagram

Configuration procedure

1. Configure Router A:

# Assign a primary IP address to GigabitEthernet 1/0/1.

<RouterA> system-view

[RouterA] interface gigabitethernet 1/0/1

[RouterA-GigabitEthernet1/0/1] ip address 172.16.10.1 255.255.255.0

[RouterA-GigabitEthernet1/0/1] quit

# Configure Serial 2/1/1 to borrow an IP address from GigabitEthernet 1/0/1.

[RouterA] interface serial 2/1/1

[RouterA-Serial2/1/1] ip address unnumbered interface gigabitethernet 1/0/1

[RouterA-Serial2/1/1] quit

# Configure a static route to the subnet attached to Router B, specifying Serial 2/1/1 as the

outgoing interface.

[RouterA] ip route-static 172.16.20.0 255.255.255.0 serial 2/1/1

2. Configure Router B:

# Assign a primary IP address to GigabitEthernet 1/0/1.

<RouterB> system-view

[RouterB] interface gigabitethernet 1/0/1

[RouterB-GigabitEthernet1/0/1] ip address 172.16.20.1 255.255.255.0

[RouterB-GigabitEthernet1/0/1] quit

Ser2/1/1

GE1/0/1

172.16.10.1/24

GE1/0/1

172.16.20.1/24

DDN

Router BRouter A

HPE FlexNetwork MSR Series Comware 7 Layer 3 - Ip Services Configuration Guides

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