ZyXEL ES-2108PWR User Guide - Page 173
ARP Inspection VLAN Con
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Chapter 21 IP Source Guard The following table describes the labels in this screen. Table 62 Advanced Application > IP Source Guard > ARP Inspection > Configure > Port 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 if the sender's information in the ARP packet does not match any of the current bindings. Apply Click Apply to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the nonvolatile memory when you are done configuring. Cancel Click this to reset the values in this screen to their last-saved values. 21.5.2 ARP Inspection VLAN Configure Use this screen to enable ARP inspection on each VLAN and to specify when the Switch generates log messages for receiving ARP packets from each VLAN. To open this screen, click Advanced Application > IP Source Guard > ARP Inspection > Configure > VLAN. Figure 97 Advanced Application > IP Source Guard > ARP Inspection > Configure > VLAN The following table describes the labels in this screen. Table 63 Advanced Application > IP Source Guard > ARP Inspection > Configure > VLAN LABEL DESCRIPTION VLAN Use this section to specify the VLANs you want to manage in the section below. Start VID Enter the lowest VLAN ID you want to manage in the section below. End VID Enter the highest VLAN ID you want to manage in the section below. Apply Click this to display the specified range of VLANs in the section below. VID This field displays the VLAN ID of each VLAN in the range specified above. If you configure the * VLAN, the settings are applied to all VLANs. Enabled Select Yes to enable ARP inspection on the VLAN. Select No to disable ARP inspection on the VLAN. ES-2108 Series User's Guide 173