Digi WAN 3G User Manual page 164

Interface Table
The current status of all available IP network interfaces. The table is displayed in order of the
interface priority configured in the Network Failover settings. For each network interface, the
following information is displayed:
Priority: The priority of the interface used by Network Failover. The highest
priority is 1, which is the first interface in the configured Failover Interface Priority
list.
Interface: The name of the network interface.
Status: The current failover status of this network interface. Possible status values
and their meanings:
1 - Responding: The interface is Up and configured in the system. It is currently
responding to the link tests. This interface is suitable for use as the default gateway.
2 - Up; The interface is Up and configured in the system. Its status has not been
determined by the link tests, or no link tests are configured. This interface may be
suitable for use as the default gateway.
3 - Not Responding: The interface is Up and configured in the system. However, it
is not currently responding to the link tests, and the number of consecutive test
failures has reached the threshold number configured in the Network Failover
settings. This interface may be suitable for use as the default gateway.
4 - Down: The interface is Down or not configured in the system. However, it is not
currently responding to the link tests. This interface is not suitable for use as the
default gateway.
5 - Unknown: The interface is Unknown (does not exist) in the system. This
interface is not suitable for use as the default gateway.
The number shown above for each status value indicates the priority of that status, used by
failover in selecting the interface to use as the default gateway. Status priority 1 is the most
suitable for use, with lower priorities considered suitable if there are no interfaces at the
highest priority.
The interface list is maintained in the interface priority order configured in the Network
Failover settings. When any interface changes status, the interface list is examined for the
interface that has the highest status priority, nearest the start of the list. The highest priority
interface with a Responding status is used as the default gateway. If no interface is marked
Responding then the highest Up interface is used, etc.
Gateway
The gateway IP address associated with the interface, or 0.0.0.0 if the interface does not have
an associated gateway. An interface with no gateway is not suitable for use as the default
gateway.
State: The Network Failover enabled state (On or Off) for this interface. The On state means
failover is monitoring this interface, and the Off state means failover is not using this
interface for failover purposes.
Tests: The number of Link Tests (0, 1 or 2) that are configured for this interface.
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