User's Manual

Chapter 22 IP/MAC Binding
ZyWALL USG 2000 User’s Guide
412
The following table describes the labels in this screen.
22.2.2 Static DHCP Edit
Click Configuration > Network > IP/MAC Binding > Edit to open the IP/
MAC Binding Edit screen. Click the Add or Edit icon to open the following
Table 103 Configuration > Network > IP/MAC Binding > Edit
LABEL DESCRIPTION
IP/MAC
Binding
Settings
Interface
Name
This field displays the name of the interface within the ZyWALL and the
interface’s IP address and subnet mask.
Enable IP/
MAC
Binding
Select this option to have this interface enforce links between specific IP
addresses and specific MAC addresses. This stops anyone else from
manually using a bound IP address on another device connected to this
interface. Use this to make use only the intended users get to use
specific IP addresses.
Enable
Logs for IP/
MAC
Binding
Violation
Select this option to have the ZyWALL generate a log if a device
connected to this interface attempts to use an IP address not assigned by
the ZyWALL.
Static DHCP
Bindings
This table lists the bound IP and MAC addresses. The ZyWALL checks this
table when it assigns IP addresses. If the computer’s MAC address is in
the table, the ZyWALL assigns the corresponding IP address. You can
also access this table from the interface’s edit screen.
Add Click this to create a new entry.
Edit Double-click an entry or select it and click Edit to open a screen where
you can modify the entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL confirms
you want to remove it before doing so.
# This is the index number of the static DHCP entry.
IP Address This is the IP address that the ZyWALL assigns to a device with the
entry’s MAC address.
MAC Address This is the MAC address of the device to which the ZyWALL assigns the
entry’s IP address.
Description This helps identify the entry.
OK Click OK to save your changes back to the ZyWALL.
Cancel Click Cancel to exit this screen without saving.