ZyXEL ES-2108PWR User Guide - Page 171

Table 61

Page 171 highlights

Chapter 21 IP Source Guard Figure 95 Advanced Application > IP Source Guard > ARP Inspection > Configure The following table describes the labels in this screen. Table 61 Advanced Application > IP Source Guard > ARP Inspection > Configure LABEL DESCRIPTION Active Select this to enable ARP inspection on the Switch. You still have to enable ARP inspection on specific VLAN and specify trusted ports. Filter Aging Time Filter aging time 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. Log Profile Log buffer size 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 Section 21.4.1 on page 169. ES-2108 Series User's Guide 171

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Chapter 21 IP Source Guard
ES-2108 Series User’s Guide
171
Figure 95
Advanced Application > IP Source Guard > ARP Inspection > Configure
The following table describes the labels in this screen.
Table 61
Advanced Application > IP Source Guard > ARP Inspection > Configure
LABEL
DESCRIPTION
Active
Select this to enable ARP inspection on the Switch. You still have to enable
ARP inspection on specific VLAN and specify trusted ports.
Filter Aging Time
Filter aging time
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.
Log Profile
Log buffer size
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
Section 21.4.1 on page 169
.