Configure System Information 
131
 S3300 Smart Managed Pro Switch
Figure 79. Dynamic ARP Inspection Statistics
2.  Click Clear to clear all DAI statistics.
3.  Click Refresh t
o refresh the data on the page with the latest information on the switch.
Table 45, Dynamic ARP Inspection (DAI) statistics describes the Dynamic ARP Inspection 
(DAI) statistics.
Table 45.  Dynamic ARP Inspection (DAI) statistics 
Field Description
VLAN The enabled VLAN ID for which statistics are displayed.
DHCP Drops The number of ARP packets that were dropped by DAI as there is no matching 
D
HCP Snooping binding entry found.
DHCP Permits The number of ARP packets that were forward
ed by DAI as there is a matching 
DHCP Snooping binding entry found
ACL Drops The number of ARP packets that were dropped by DAI as there is no matching 
ARP ACL rule found for this VLAN, and the static flag is set on this VLAN.
ACL Permits The number of ARP packets that were permitted by DAI, as there is a matching 
ARP ACL rule 
found for this VLAN
Bad Source MAC The number of ARP packets that were dropp
ed by DAI because the sender MAC 
address in the ARP packet did not match the source MAC in the Ethernet 
header.
Bad Dest MAC The number of ARP packets that were drop
ped by DAI because the target MAC 
address in the ARP reply packet did not match the destination MAC in the 
Ethernet header.
Invalid IP The number of ARP packets that were dropped by DAI because the sender IP 
a
ddress in the ARP packet, or the target IP address in the ARP reply packet, is 
invalid. Invalid addresses include 0.0.0.0, 255.255.255.255, IP multicast 
addresses, class E addresses (240.0.0.0/4), and loopback addresses 
(127.0.0.0/8).
Forwarded The number of valid ARP packets forwarded by DAI.
Dropped The number of invalid ARP packets dropped by DAI.