Chapter 12
| Security Measures
ARP Inspection
– 317 –
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 205: 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.
Parameters
These parameters are displayed:
Table 20: 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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