ZyXEL Communications GS2200 Series, Руководство пользователя

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Chapter 25 IP Source Guard
GS2200 Series User’s Guide
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The following table describes the labels in this screen.
25.4 DHCP Snooping
Use this screen to look at various statistics about the DHCP snooping database. To open this screen,
click Advanced Application > IP Source Guard > DHCP Snooping.
Table 68
IP Source Guard Static Binding
LABEL DESCRIPTION
ARP Freeze
Condition Select one of the buttons and click ARP Freeze to create static bindings from previously
learned ARP entries which match the criteria you specified.
Select All to create static bindings from any previously learned ARP entries in the
Switch's ARP table and add them in the IP source guard static binding table.
Select Port List and enter the number of the port(s) to create static bindings from
previously learned ARP entries which contain the specified port number and add them in
the IP source guard static binding table. You can enter individual ports separated by a
comma or a range of ports by using a dash.
Select VLAN List and enter the VLAN ID(s) to create static bindings from previously
learned ARP entries which contain the specified VLAN ID and add them in the IP source
guard static binding table. You can enter individual VLAN IDs separated by a comma or a
range of VLAN IDs by using a dash.
ARP Freeze Click ARP Freeze to create static bindings from previously learned ARP entries which
match the specified criteria and display them in the lower part of the screen.
Static Binding
MAC Address Enter the source MAC address in the binding.
IP Address Enter the IP address assigned to the MAC address in the binding.
VLAN Enter the source VLAN ID in the binding.
Port Specify the port(s) in the binding. If this binding has one port, select the first radio
button and enter the port number in the field to the right. If this binding applies to all
ports, select Any.
Add Click this to create the specified static binding or to update an existing one.
Cancel Click this to reset the values above based on the last selected static binding or, if not
applicable, to clear the fields above.
Clear Click this to clear the fields above.
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 long the binding is valid.
Type This field displays how the Switch learned the binding.
static: This binding was learned from information provided manually by an
administrator.
VLAN 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.
Delete Select this, and click Delete to remove the specified entry.
Cancel Click this to clear the Delete check boxes above.