R0106-HP MSR Router Series Security Configuration Guide(V7)

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Task Command
Display the VLANs enabled with
ARP detection.
display arp detection
Display the ARP detection statistics.
display arp detection statistics [ interface interface-type
interface-number ]
Clear the ARP detection statistics. reset arp detection statistics [ interface interface-type interface-number ]
User validity check and ARP packet validity check
configuration example
Network requirements
As shown in Figure 124, configure Switch B to perform ARP packet validity check and user validity check
based on static IP source guard binding entries and DHCP snooping entries for connected hosts.
Figure 124 Network diagram
Configuration procedure
1. Add all interfaces on Switch B to VLAN 10, and specify the IP address of VLAN-interface 10 on
Switch A. (Details not shown.)
2. Configure the DHCP server on Switch A, and configure DHCP address pool 0.
<SwitchA> system-view
[SwitchA] dhcp enable
[SwitchA] dhcp server ip-pool 0
[SwitchA-dhcp-pool-0] network 10.1.1.0 mask 255.255.255.0
3. Configure Host A (DHCP client) and Host B. (Details not shown.)
4. Configure Switch B:
# Enable DHCP snooping.
<SwitchB> system-view
[SwitchB] dhcp snooping enable
[SwitchB] interface gigabitethernet 2/1/3