ZyXEL MGS-3712F User Guide - Page 255
Table 83
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Chapter 26 IP Source Guard settings for the ARP inspection log. To open this screen, click Advanced Application > IP Source Guard > ARP Inspection > Configure. Figure 133 ARP Inspection Configure The following table describes the labels in this screen. Table 83 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. Log Profile Log buffer size 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 Section 26.6.2 on page 253. MGS-3712/MGS-3712F User's Guide 255