C
HAPTER
14
| Security Measures
ARP Inspection
– 319 –
WEB INTERFACE
To configure interface settings for ARP Inspection:
1. Click Security, ARP Inspection.
2. Select Configure Interface from the Step list.
3. Specify any untrusted ports which require ARP inspection, and adjust
the packet inspection rate.
4. Click Apply.
Figure 181: Configuring Interface Settings for ARP Inspection
DISPLAYING ARP
INSPECTION
STATISTICS
Use the Security > ARP Inspection (Show Information - Show Statistics)
page to display statistics about the number of ARP packets processed, or
dropped for various reasons.
CLI REFERENCES
â—† "show ip arp inspection statistics" on page 681
PARAMETERS
These parameters are displayed:
Table 19: ARP Inspection Statistics
Parameter Description
Received ARP packets before
ARP inspection rate limit
Count of ARP packets received but not exceeding the ARP
Inspection rate limit.
Dropped ARP packets in the
process of ARP inspection rate
limit
Count of ARP packets exceeding (and dropped by) ARP rate
limiting.
ARP packets dropped by
additional validation (IP)
Count of ARP packets that failed the IP address test.
ARP packets dropped by
additional validation
(Dst-MAC)
Count of packets that failed the destination MAC address test.
Total ARP packets processed
by ARP inspection
Count of all ARP packets processed by the ARP Inspection
engine.
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