ZyXEL Communications USG 2000 User Manual

Chapter 13 Interfaces

ZyWALL USG 2000 User’s Guide

Lease time

Specify how long each computer can use the information (especially 
the IP address) before it has to request the information again. 
Choices are:

infinite - select this if IP addresses never expire

days, hours, and minutes - select this to enter how long IP 
addresses are valid.

Enable IP/MAC 

Binding

Select this option to have the ZyWALL enforce links between specific 
IP addresses and specific MAC addresses for this VLAN. 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 VLAN attempts to use an IP address that is bound to 
another device’s MAC address.

Static DHCP 

Table

Configure a list of static IP addresses the ZyWALL assigns to 
computers connected to the interface. Otherwise, the ZyWALL assigns 
an IP address dynamically using the interface’s IP Pool Start 
Address and Pool Size.

Add

Click this to create a new entry. 

Edit

Select an entry and click this to be able to modify it. 

Remove

Select an entry and click this to delete it. 

#

This field is a sequential value, and it is not associated with a specific 
entry.

IP Address

Enter the IP address to assign to a device with this entry’s MAC 
address.

MAC Address

Enter the MAC address to which to assign this entry’s IP address.

Description

Enter a description to help identify this static DHCP entry. You can use 
alphanumeric and 

()+/:=?!*#@$_%-

 characters, and it can be up to 

60 characters long.

RIP Setting

See 

 for more information about RIP.

Enable RIP

Select this to enable RIP on this interface.

Direction

This field is effective when RIP is enabled. Select the RIP direction 
from the drop-down list box.

BiDir - This interface sends and receives routing information.

In-Only - This interface receives routing information.

Out-Only - This interface sends routing information.

Send Version

This field is effective when RIP is enabled. Select the RIP version(s) 
used for sending RIP packets. Choices are 1, 2, and 1 and 2.

Receive 

Version

This field is effective when RIP is enabled. Select the RIP version(s) 
used for receiving RIP packets. Choices are 1, 2, and 1 and 2.

V2-Broadcast

This field is effective when RIP is enabled. Select this to send RIP-2 
packets using subnet broadcasting; otherwise, the ZyWALL uses 
multicasting.

Table 67   Configuration > Network > Interface > VLAN > Edit (continued)