Chapter 7 Interfaces

Table 58 Configuration > Network > Interface > Bridge > Create Virtual Interface (continued)

LABEL

DESCRIPTION

First WINS

Type the IP address of the WINS (Windows Internet Naming Service) server that you

Server, Second

want to send to the DHCP clients. The WINS server keeps a mapping table of the

WINS Server

computer names on your network and the IP addresses that they are currently using.

 

 

 

Default Router

If you set this interface to DHCP Server, you can select to use either the interface’s IP

 

address or another IP address as the default router. This default router will become the

 

DHCP clients’ default gateway.

 

To use another IP address as the default router, select Custom Defined and enter the

 

IP address.

 

 

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.

 

 

Extended

This table is available if you selected DHCP server.

Options

Configure this table if you want to send more information to DHCP clients through

 

 

DHCP packets.

 

 

Add

Click this to create an entry in this table. See Section 7.3.4 on page 124.

 

 

Edit

Select an entry in this table and click this to modify it.

 

 

Remove

Select an entry in this table and click this to delete it.

 

 

#

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

 

 

Name

This is the option’s name.

 

 

Code

This is the option’s code number.

 

 

Type

This is the option’s type.

 

 

Value

This is the option’s value.

 

 

Enable IP/MAC

Select this option to have this interface enforce links between specific IP addresses and

Binding

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

Select this option to have the ZyWALL generate a log if a device connected to this

IP/MAC Binding

interface attempts to use an IP address that is bound to another device’s MAC address.

Violation

 

Static DHCP

Configure a list of static IP addresses the ZyWALL assigns to computers connected to

Table

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.

Connectivity Check

The interface can regularly check the connection to the gateway you specified to make

 

sure it is still available. You specify how often the interface checks the connection, how

 

long to wait for a response before the attempt is a failure, and how many consecutive

 

failures are required before the ZyWALL stops routing to the gateway. The ZyWALL

 

resumes routing to the gateway the first time the gateway passes the connectivity

 

check.

 

 

 

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ZyWALL 110/310/1100 Series User’s Guide