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Chapter 13 Interfaces
ZyWALL USG 300 User’s Guide
341
Metric Enter the priority of the gateway (if any) on this interface. The
ZyWALL decides which gateway to use based on this priority. The
lower the number, the higher the priority. If two or more gateways
have the same priority, the ZyWALL uses the one that was configured
first.
Interface
Parameters
Egress
Bandwidth
Enter the maximum amount of traffic, in kilobits per second, the
ZyWALL can send through the interface to the network. Allowed
values are 0 - 1048576.
Ingress
Bandwidth
This is reserved for future use.
Enter the maximum amount of traffic, in kilobits per second, the
ZyWALL can receive from the network through the interface. Allowed
values are 0 - 1048576.
MTU Maximum Transmission Unit. Type the maximum size of each data
packet, in bytes, that can move through this interface. If a larger
packet arrives, the ZyWALL divides it into smaller fragments. Allowed
values are 576 - 1500. Usually, this value is 1500.
Connectivity
Check
The ZyWALL can regularly check the connection to the gateway you
specified to make sure it is still available. You specify how often to
check 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.
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 ZyWALL regularly ping the gateway you
specify to make sure it is still available.
Select tcp to have the ZyWALL 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 ZyWALL 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.
DHCP Setting The DHCP settings are available for the OPT, LAN and DMZ interfaces.
Table 75 Configuration > Network > Interface > VLAN > Edit (continued)
LABEL DESCRIPTION