23
Task Command
Display brief IP configuration information for the
specified or all Layer 3 interfaces.
display ip interface [ interface-type
[ interface-number ] ] brief
IP address configuration example
Network requirements
As shown in Figure 9, a port in VLAN 1 on a switch is connected to a LAN comprising two segments:
172.16.1.0/24 and 172.16.2.0/24.
To enable the hosts on the two network segments to communicate with the external network through the
switch, and to enable the hosts on the LAN to communicate with each other:
• Assign a primary IP address and a secondary IP address to VLAN-interface 1 on the switch.
• Set the primary IP address of the switch as the gateway address of the PCs on subnet 172.16.1.0/24.
Set the secondary IP address of the switch as the gateway address of the PCs on subnet
172.16.2.0/24.
Figure 9 Network diagram
Configuration procedure
# Assign a primary IP address and a secondary IP address to VLAN-interface 1.
<Switch> system-view
[Switch] interface vlan-interface 1
[Switch-Vlan-interface1] ip address 172.16.1.1 255.255.255.0
[Switch-Vlan-interface1] ip address 172.16.2.1 255.255.255.0 sub
# Set the gateway address to 172.16.1.1 on the PCs attached to subnet 172.16.1.0/24, and to 172.16.2.1
on the PCs attached to subnet 172.16.2.0/24.
Vlan-int1
172.16.1.1/24
172.16.2.1/24 sub
172.16.1.0/24
172.16.1.2/24
172.16.2.0/24
172.16.2.2/24
Host A
Host B
Switch
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