Display Arp Detection Statistics - 3Com S7906E Command Reference Manual

Table 3-2 display arp detection command output description
ARP detection is enabled in the following VLANs

display arp detection statistics

Syntax
display arp detection statistics [ interface interface-type interface-number ]
View
Any view
Default Level
1: Monitor level
Parameters
interface interface-type interface-number: Displays the ARP detection statistics of a specified interface.
Description
Use the display arp detection statistics command to display statistics about ARP detection. This
command only displays numbers of discarded packets. If no interface is specified, the statistics of all the
interfaces will be displayed.
Examples
# Display the ARP detection statistics of GigabitEthernet2/0/1.
<Sysname> display arp detection statistics interface gigabitethernet2/0/1
State: U-Untrusted
ARP packets dropped by ARP inspect checking:
Interface(State)
GE2/0/1(U)
Table 3-3 display arp detection statistics command output description
Field
Interface(State)
IP
Src-MAC
Dst-MAC
Inspect
Field
T-Trusted
IP Src-MAC
40 0
State T or U identifies a trusted or untrusted port.
Number of ARP packets discarded due to invalid source and destination IP
addresses
Number of ARP packets discarded due to invalid source MAC address
Number of ARP packets discarded due to invalid destination MAC address
Number of ARP packets that failed to pass ARP detection (based on DHCP
snooping entries/802.1x security entries/static IP-to-MAC bindings)
3-7
Description
VLANs that are enabled with ARP detection
Dst-MAC Inspect
0 78
Description