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Chapter 10 Interface
ZyWALL USG 100/200 Series User’s Guide
239
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. This
setting is used in WAN load balancing and bandwidth management.
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.
DHCP Settings
DHCP Select what type of DHCP service the ZyWALL provides to the wireless 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.
IP Pool Start
Address
Enter the IP address from which the ZyWALL begins allocating IP addresses.
If this field is blank, the ZyWALL assigns every IP address allowed by the
interface’s IP address, subnet mask, and pool size; except for the first address
(network address), last address (broadcast address) and the interface’s IP
address.
Pool Size Enter the number of IP addresses to allocate. This number must be at least one
and is limited by the interface’s Subnet Mask. For example, if the Subnet Mask
is 255.255.255.0 and IP Pool Start Address is 10.10.10.10, the ZyWALL can
allocate 10.10.10.10 to 10.10.10.254, or 245 IP addresses.
If this field is blank, the ZyWALL can assign every IP address allowed by the
interface’s IP address, subnet mask, and IP Pool Start Address; except for the
first address (network address), last address (broadcast address) and the
interface’s IP address.
First DNS
Server
Second DNS
Server
Third DNS
Server
Specify the IP addresses of a maximum of three DNS servers that the network
can use. The ZyWALL provides these IP addresses to DHCP clients. Use one of
the following ways to specify these IP addresses.
Custom Defined - enter a static IP address.
From ISP - select the DNS server that another interface received from its DHCP
server.
ZyWALL - the ZyWALL uses the IP address of this interface and works as a DNS
relay.
First WINS
Server, Second
WINS Server
Type the IP address of the WINS (Windows Internet Naming Service) server that
you want to send to the DHCP clients. The WINS server keeps a mapping table of
the computer names on your network and the IP addresses that they are currently
using.
Table 67 Network > Interface > WLAN > Add (No Security) (continued)
LABEL DESCRIPTION