Chapter 9 Interfaces
NXC Series User’s Guide
172
Check Method Select the method that the gateway allows.
Select icmp to have the NXC regularly ping the gateway you specify to make sure it is still
available.
Select tcp to have the NXC 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 NXC 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
DHCP Select what type of DHCP service the NXC provides to the network. Choices are:
None - the NXC does not provide any DHCP services. There is already a DHCP server on the
network.
DHCP Relay - the NXC routes DHCP requests to one or more DHCP servers you specify. The
DHCP server(s) may be on another network.
DHCP Server - the NXC assigns IP addresses and provides subnet mask, gateway, and DNS
server information to the network. The NXC is the DHCP server for the network.
These fields appear if the NXC 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 NXC is a DHCP Server.
IP Pool Start
Address
Enter the IP address from which the NXC 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 NXC 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.
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 NXC 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 NXC 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.
First DNS Server
Second DNS
Server
Third DNS Server
Specify the IP addresses up to three DNS servers for the DHCP clients to use. 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.
EnterpriseWLAN - the DHCP clients use the IP address of this interface and the NXC works as
a DNS relay.
Table 72 Configuration > Network > Interface > LAG > Add/Edit (continued)
LABEL DESCRIPTION
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