Chapter 9 Interfaces
NXC Series User’s Guide
171
ARP Interval This field displays for arp Link Monitoring. Select the frequency of ARP requests sent to
confirm a that slave interface is up.
ARP IP Target This field displays for arp Link Monitoring. Set the IP address of the link to send ARP queries.
Available
Interfaces
This field displays Ethernet interfaces that can become part of the LAG interface. An
interface is not available in the following situations:
• There is a interface on top of it.
• It is already used in a different LAG interface.
Select one, and click the >> arrow to add it to the LAG interface.
Member This field displays the interfaces that are part of the LAG interface. Select one, and click the
<< arrow to remove it from the LAG interface.
IP Address
Assignment
Get
Automatically
Select this if this interface is a DHCP client. In this case, the DHCP server configures the IP
address, subnet mask, and gateway automatically.
Use Fixed IP
Address
Select this if you want to specify the IP address, subnet mask, and gateway manually.
IP Address This field is enabled if you select Use Fixed IP Address.
Enter the IP address for this interface.
Subnet Mask This field is enabled if you select Use Fixed IP Address.
Enter the subnet mask of this interface in dot decimal notation. The subnet mask indicates
what part of the IP address is the same for all computers in the network.
Gateway This field is enabled if you select Use Fixed IP Address.
Enter the IP address of the gateway. The NXC sends packets to the gateway when it does
not know how to route the packet to its destination. The gateway should be on the same
network as the interface.
Metric Enter the priority of the gateway (if any) on this interface. The NXC 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 NXC uses the one that was configured first.
Interface Parameters
Egress Bandwidth Enter the maximum amount of traffic, in kilobits per second, the NXC 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 NXC 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 NXC divides it into smaller
fragments. Allowed values are 1280 - 1500. Usually, this value is 1500.
Connectivity Check These fields appear when you set the Interface Type to 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 NXC stops routing to the gateway. The NXC 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.
Table 72 Configuration > Network > Interface > LAG > Add/Edit (continued)
LABEL DESCRIPTION
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