Dhcp Snooping - ZyXEL Communications GS2210 Series User Manual

Chapter 25 IP Source Guard
The following table describes the labels in this screen.
Table 80 Advanced Application > IP Source Guard > Static Binding
LABEL
ARP Freeze
Condition
Static Binding
MAC Address
IP Address
VLAN
Port
Add
Cancel
Clear
Index
MAC Address
IP Address
Lease
Type
VLAN
Port
Delete
Cancel

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.
192
DESCRIPTION
ARP Freeze allows you to automatically create static bindings from the current ARP
entries (either dynamically learned or static ARP entries) until the Switch's binding
table is full.
Note: The ARP learning mode should be set to ARP-Request in the IP Application
> ARP Setup > ARP Learning screen before you use the ARP Freeze
feature.
All - Select this and click ARP Freeze to have the Switch automatically add all the
current ARP entries to the static bindings table.
Port List - Select this and enter the number of the port(s) (separated by a
comma). ARP entries learned on the specified port(s) are added to the static
bindings table after you click ARP Freeze.
VLAN List - Select this and enter the ID number of the VLAN(s) (separated by a
comma). ARP entries for the specified VLAN(s) are added to the static bindings
table after you click ARP Freeze.
Enter the source MAC address in the binding.
Enter the IP address assigned to the MAC address in the binding.
Enter the source VLAN ID in the binding.
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.
Click this to create the specified static binding or to update an existing one.
Click this to reset the values above based on the last selected static binding or, if
not applicable, to clear the fields above.
Click this to clear the fields above.
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 long the binding is valid.
This field displays how the Switch learned the binding.
static: This binding was learned from information provided manually by an
administrator.
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.
Select this, and click Delete to remove the specified entry.
Click this to clear the Delete check boxes above.
GS2210 Series User's Guide