533 
Parameters 
interface interface-type interface-number: Displays the ARP detection statistics of the specified interface. 
Usage guidelines 
This command displays numbers of packets discarded by user validity check and ARP packet validity 
check. If you do not specify any interface, the command displays statistics for all interfaces. 
Examples 
# Display the ARP detection statistics for all interfaces. 
<Sysname> display arp detection statistics 
State: U-Untrusted  T-Trusted 
ARP packets dropped by ARP inspect checking: 
Interface(State)            IP        Src-MAC   Dst-MAC   Inspect 
GE2/1/1(U)                  40        0         0         78 
GE2/1/2(U)                  0         0         0         0 
GE2/1/3(T)                  0         0         0         0 
GE2/1/4(U)                  0         0         30        0 
Table 76 Command output 
Field Descri
tion
State 
State of an interface: 
•  U—ARP untrusted interface. 
•  T—ARP trusted interface. 
Interface(State)  Inbound interface of ARP packets. State specifies the port state, trusted or untrusted.
IP  Number of ARP packets discarded due to invalid source and destination IP addresses.
Src-MAC  Number of ARP packets discarded due to invalid source MAC address. 
Dst-MAC  Number of ARP packets discarded due to invalid destination MAC address. 
Inspect  Number of ARP packets failed to pass user validity check. 
 
reset arp detection statistics 
Use reset arp detection statistics to clear ARP detection statistics. 
Syntax 
reset arp detection statistics [ interface interface-type interface-number ] 
Views 
User view 
Predefined user roles 
network-admin 
Parameters 
interface interface-type interface-number: Clears the ARP detection statistics of the specified interface. 
Usage guidelines 
If you do not specify any interface, this command clears the statistics of all interfaces.