ZyXEL MES-3728 User Guide - Page 258
Table 84
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Chapter 26 IP Source Guard ARP packets on each untrusted port. To open this screen, click Advanced Application > IP Source Guard > ARP Inspection > Configure > Port. Figure 132 ARP Inspection Port Configure The following table describes the labels in this screen. Table 84 ARP Inspection Port Configure LABEL DESCRIPTION Port This field displays the port number. If you configure the * port, the settings are applied to all of the ports. Trusted State Select whether this port is a trusted port (Trusted) or an untrusted port (Untrusted). The Switch does not discard ARP packets on trusted ports for any reason. The Switch discards ARP packets on untrusted ports in the following situations: Limit Rate (pps) • The sender's information in the ARP packet does not match any of the current bindings. • The rate at which ARP packets arrive is too high. You can specify the maximum rate at which ARP packets can arrive on untrusted ports. These settings have no effect on trusted ports. Specify the maximum rate (1-2048 packets per second) at which the Switch receives ARP packets from each port. The Switch discards any additional ARP packets. Enter 0 to disable this limit. 258 MES-3728 User's Guide