Chapter 9 Interfaces
ZyWALL ATP Series User’s Guide
281
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 Zyxel Device generate a log if a device connected to this
interface 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 Zyxel Device assigns to computers connected to
the interface. Otherwise, the Zyxel Device 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 Zyxel Device stops routing to the gateway. The Zyxel Device
resumes routing to the gateway the first time the gateway passes the connectivity check.
Enable
Connectivity
Check
Select this to turn on the connection check.
Check Method Select the method that the gateway allows.
Select icmp to have the Zyxel Device regularly ping the gateway you specify to make sure
it is still available.
Select tcp to have the Zyxel Device regularly perform a TCP handshake with the gateway
you specify to make sure it is still available.
Check Period Enter the number of seconds between connection check attempts.
Check Timeout Enter the number of seconds to wait for a response before the attempt is a failure.
Check Fail
Tolerance
Enter the number of consecutive failures before the Zyxel Device stops routing through the
gateway.
Check Default
Gateway
Select this to use the default gateway for the connectivity check.
Check this
address
Select this to specify a domain name or IP address for the connectivity check. Enter that
domain name or IP address in the field next to it.
Check Port This field only displays when you set the Check Method to tcp. Specify the port number to
use for a TCP connectivity check.
Proxy ARP Proxy ARP is available for external or general interfaces on the Zyxel Device. See Section on
page 219 for more information on Proxy ARP.
Enable Proxy ARP Select this to allow the Zyxel Device to answer external interface ARP requests on behalf of
a device on its internal interface. Interfaces supported are:
•Ethernet
•VLAN
• Bridge
See Section 9.3.2 on page 228 for more information.
Table 110 Configuration > Network > Interface > Bridge > Add / Edit (continued)
LABEL DESCRIPTION
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