ZyXEL MES3500-24F User Guide - Page 218
IP Source Guard, IP Source Guard Static Binding
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Chapter 26 IP Source Guard 26.2 IP Source Guard Use this screen to look at the current bindings for DHCP snooping and ARP inspection. Bindings are used by DHCP snooping and ARP inspection to distinguish between authorized and unauthorized packets in the network. The Switch learns the bindings by snooping DHCP packets (dynamic bindings) and from information provided manually by administrators (static bindings). To open this screen, click Advanced Application > IP Source Guard. Figure 112 IP Source Guard The following table describes the labels in this screen. Table 75 IP Source Guard LABEL Index MAC Address IP Address Lease Type DESCRIPTION This field displays a sequential number for each binding. This field displays the source MAC address in the binding. This field displays the IP address assigned to the MAC address in the binding. This field displays how many days, hours, minutes, and seconds the binding is valid; for example, 2d3h4m5s means the binding is still valid for 2 days, 3 hours, 4 minutes and 5 seconds. This field displays infinity if the binding is always valid (for example, a static binding). This field displays how the Switch learned the binding. static: This binding was learned from information provided manually by an administrator. VID Port dhcp-snooping: This binding was learned by snooping DHCP packets. This field displays the source VLAN ID in the binding. This field displays the port number in the binding. If this field is blank, the binding applies to all ports. 26.3 IP Source Guard Static Binding Use this screen to manage static bindings for DHCP snooping and ARP inspection. Static bindings are uniquely identified by the MAC address and VLAN ID. Each MAC address and VLAN ID can only be in one static binding. If you try to create a static binding with the same MAC address and VLAN 218 MES3500-24/24F User's Guide