ZyXEL ES-2024 Series User Manual download pdf (Page 161)

Chapter 21 IP Source Guard

ES-2024 Series User’s Guide

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21.2 IP Source Guard

Use this screen to look at the current bindings for ARP inspection. Bindings are used by ARP

inspection to distinguish between authorized and unauthorized packets in the network. The

Switch learns the bindings from information provided manually by administrators (static

bindings). To open this screen, click Advanced Application > IP Source Guard.

Figure 81 IP Source Guard

The following table describes the labels in this screen.

21.3 IP Source Guard Static Binding

Use this screen to manage static bindings for 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 ID as an existing static binding, the new static binding replaces the original one. To

open this screen, click Advanced Application > IP Source Guard > Static Binding.

Table 55 IP Source Guard

LABEL DESCRIPTION

Index This field displays a sequential number for each binding.

MAC Address This field displays the source MAC address in the binding.

IP Address This field displays the IP address assigned to the MAC address in the

binding.

Lease 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).

Type This field displays how the Switch learned the binding.

static: This binding was learned from information provided manually by an

administrator.

VID This field displays the source VLAN ID in the binding.

Port This field displays the port number in the binding. If this field is blank, the

binding applies to all ports.

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ZyXEL ES-2024 Series User Manual Page 161