ZyXEL Communications ENC User Manual page 297

Table 156 VLAN: Add (continued)
LABEL
Egress
Bandwidth
Ingress
Bandwidth
MTU
DHCP Setting
DHCP
Relay Server
1
Relay Server
2
Enable IP/
MAC Binding
Enable Logs
for IP/MAC
Binding
Violation
IP Pool Start
Address
Pool Size
ENC User's Guide
DESCRIPTION
Enter the maximum amount of traffic, in kilobits per second, the NXC5200 can send
through the interface to the network. Allowed values are 0 - 1048576.
This is reserved for future use.
Enter the maximum amount of traffic, in kilobits per second, the NXC5200 can receive
from the network through the interface. Allowed values are 0 - 1048576.
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 NXC5200 divides it into
smaller fragments. Allowed values are 576 - 1500. Usually, this value is 1500.
The DHCP settings are available for the OPT, LAN and DMZ interfaces.
Select what type of DHCP service the NXC5200 provides to the network. Choices are:
None - the NXC5200 does not provide any DHCP services. There is already a DHCP server
on the network.
DHCP Relay - the NXC5200 routes DHCP requests to one or more DHCP servers you
specify. The DHCP server(s) may be on another network.
DHCP Server - the NXC5200 assigns IP addresses and provides subnet mask, gateway,
and DNS server information to the network. The NXC5200 is the DHCP server for the
network.
These fields appear if the NXC5200 is a DHCP Relay.
Enter the IP address of a DHCP server for the network.
This field is optional. Enter the IP address of another DHCP server for the network.
These fields appear if the NXC5200 is a DHCP Server.
Select this option to have the NXC5200 enforce links between specific IP addresses and
specific MAC addresses for this VLAN. 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.
Select this option to have the NXC5200 generate a log if a device connected to this VLAN
attempts to use an IP address that is bound to another device's MAC address.
Enter the IP address from which the NXC5200 begins allocating IP addresses. If you want
to assign a static IP address to a specific computer, click Add Static DHCP.
If this field is blank, the Pool Size must also be blank. In this case, the NXC5200 can
assign every IP address allowed by the interface's IP address and subnet mask, except for
the first address (network address), last address (broadcast address) and the interface's
IP address.
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 NXC5200 can allocate
10.10.10.10 to 10.10.10.254, or 245 IP addresses.
If this field is blank, the IP Pool Start Address must also be blank. In this case, the
NXC5200 can assign every IP address allowed by the interface's IP address and subnet
mask, except for the first address (network address), last address (broadcast address)
and the interface's IP address.
Chapter 8 Application
297