Configuration Procedure; Configuration Example (On A Dhcp Server) - HP MSR Series Configuration Manual

With authorized ARP enabled, an interface is disabled from learning dynamic ARP entries. This
feature prevents user spoofing and allows only authorized clients to access network resources.

Configuration procedure

To enable authorized ARP:
Step
1. Enter system view.
2. Enter interface view.
3. Enable authorized ARP on
the interface.

Configuration example (on a DHCP server)

Network requirements
As shown in
server) to ensure user validity.
Figure 164 Network diagram
Configuration procedure
1. Configure Device A:
# Specify the IP address for GigabitEthernet 2/0/1.
<DeviceA> system-view
[DeviceA] interface gigabitethernet 2/0/1
[DeviceA-GigabitEthernet2/0/1] ip address 10.1.1.1 24
[DeviceA-GigabitEthernet2/0/1] quit
# Configure DHCP.
[DeviceA] dhcp enable
[DeviceA] dhcp server ip-pool 1
[DeviceA-dhcp-pool-1] network 10.1.1.0 mask 255.255.255.0
[DeviceA-dhcp-pool-1] quit
# Enter Layer 3 Ethernet interface view.
[DeviceA] interface gigabitethernet 2/0/1
# Enable authorized ARP.
[DeviceA-GigabitEthernet2/0/1] arp authorized enable
[DeviceA-GigabitEthernet2/0/1] quit
Command
system-view
interface interface-type
interface-number
arp authorized enable
Figure 164, configure authorized ARP on GigabitEthernet 2/0/1 of Device A (a DHCP
Remarks
N/A
The following interface types are
supported:
•
•
•
•
•
By default, authorized ARP is disabled.
530
Layer 3 Ethernet interfaces.
Layer 3 Ethernet subinterfaces.
Layer 3 aggregate interfaces.
Layer 3 aggregate subinterfaces.
VLAN interfaces.