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Chapter 26 IP Source Guard
MES-3528 User’s Guide
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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 118 IP Source Guard
The following table describes the labels in this screen.
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 ID as an existing static binding, the
Table 71 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.
dhcp-snooping: This binding was learned by snooping DHCP packets.
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.