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Chapter 7 Interfaces
ZyWALL 110/310/1100 Series User’s Guide
119
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 These fields appear when Interface Properties is External or General.
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.
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 This section appears when Interface Type is internal or general.
DHCP Select what type of DHCP service the ZyWALL provides to the network. Choices are:
None - the ZyWALL does not provide any DHCP services. There is already a DHCP
server on the network.
DHCP Relay - the ZyWALL routes DHCP requests to one or more DHCP servers you
specify. The DHCP server(s) may be on another network.
DHCP Server - the ZyWALL assigns IP addresses and provides subnet mask, gateway,
and DNS server information to the network. The ZyWALL is the DHCP server for the
network.
These fields appear if the ZyWALL is a DHCP Relay.
Relay Server 1 Enter the IP address of a DHCP server for the network.
Relay Server 2 This field is optional. Enter the IP address of another DHCP server for the network.
These fields appear if the ZyWALL is a DHCP Server.
Table 41 Configuration > Network > Interface > Ethernet > Edit (continued)
LABEL DESCRIPTION