Ip Source Guard; Ip Source Guard Static Binding - ZyXEL Communications VES1724-56 User Manual

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 149 IP Source Guard
The following table describes the labels in this screen.
Table 110 IP Source Guard
LABEL
Index
MAC Address
IP Address
Lease
Type
VID
Port

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
VES1724-56 User's Guide
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.
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.
Chapter 26 IP Source Guard
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