Chapter 10 Interfaces
ZyWALL USG Series User’s Guide
381
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.
Check these
addresses
Type one or two domain names or IP addresses for the connectivity check.
Probe Succeeds
When
This field applies when you specify two domain names or IP addresses for the connectivity
check.
Select any one if you want the check to pass if at least one of the domain names or IP
addresses responds.
Select all if you want the check to pass only if both domain names or IP addresses respond.
Proxy ARP Proxy ARP is available for external or general interfaces on the Zyxel Device. See Section
10.5.2 on page 325 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 10.5.2 on page 325 for more information.
Table 125 Configuration > Network > Interface > Bridge > Add / Edit (continued)
LABEL DESCRIPTION
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