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26.7 ARP Inspection Configure
Use this screen to enable ARP inspection on the Switch. You can also configure the length of time
the Switch stores records of discarded ARP packets and global settings for the ARP inspection log.
To open this screen, click Advanced Application > IP Source Guard > ARP Inspection >
Configure.
Figure 158 ARP Inspection Configure
The following table describes the labels in this screen.
Table 119 ARP Inspection Configure
LABEL
Active
Filter Aging Time
Filter aging time
Log Profile
Log buffer size
VES1724-56 User's Guide
DESCRIPTION
Select this to enable ARP inspection on the Switch. You still have to enable ARP
inspection on specific VLAN and specify trusted ports.
This setting has no effect on existing MAC address filters.
Enter how long (1~2147483647 seconds) the MAC address filter remains in the Switch
after the Switch identifies an unauthorized ARP packet. The Switch automatically
deletes the MAC address filter afterwards. Enter 0 if you want the MAC address filter to
be permanent.
Enter the maximum number (1~1024) of log messages that were generated by ARP
packets and have not been sent to the syslog server yet. Make sure this number is
appropriate for the specified Syslog rate and Log interval.
If the number of log messages in the Switch exceeds this number, the Switch stops
recording log messages and simply starts counting the number of entries that were
dropped due to unavailable buffer. Click Clearing log status table in the ARP
Inspection Log Status screen to clear the log and reset this counter. See
26.6.2 on page
264.
Chapter 26 IP Source Guard
Section
265
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