Chapter 26 IP Source Guard
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 124 IP Source Guard
The following table describes the labels in this screen.
Table 74 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. |
| |
| 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. |
|
|
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
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