ZyXEL GS-1548 User Guide - Page 138
Enabling Dynamic ARP
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Chapter 20 Dynamic ARP 20.2 Enabling Dynamic ARP Click Dynamic ARP > Settings in the navigation panel to open the following screen. Use the Dynamic ARP screen to configure ARP filtering on the specified VLANs. Figure 86 Dynamic ARP The following table describes the labels in this screen. Table 66 ARP Table LABEL DESCRIPTION Enable Dynamic ARP Select or deselect this to activate or deactivate Dynamic ARP on the Switch. Note: You must activate dynamic ARP first if you want to add static ARP table entries. Aging Time Specify how long (in hours) the Switch remembers the learned ARP table entries. Specify "0" to have the Switch remember the ARP table entries for an unlimited time period. Trusted ports Packets arriving on trusted ports bypass all Dynamic ARP validation checks, and those arriving on untrusted ports undergo the validation process. Default state of all ports is untrusted. Select the trusted ports for each Dynamic ARP configuration you set up. Enable Dynamic ARP for VLAN from .. to .. Select the range of VLANs you want to perform validation checks based on the ARP entries in the ARP table. 138 GS-1524/GS-1548 User's Guide