Digi ConnectPort X4 User's Guide download pdf (Page 76)

Configuration through the web interface

 Link Test Settings for each of the network interfaces: The options that follow are

used to configure the link tests for the network interfaces. Each network interface has its

own set of options. Failover can support the use of Ethernet, Wi-Fi and Mobile (cellular)

network interfaces. The available interfaces vary among different Digi products.

– Enable IP Network Failover for the XXX Interface: Enable use of the XXX interface

for failover, where XXX is Ethernet, Wi-Fi, or Mobile. Click the checkbox to turn

failover on or off. If a network interface is not enabled for use by failover, it will not be

considered by failover for use in selecting the default gateway.

– No Test: Click on the radio button to select no link tests will be used for this interface.

Since no link tests are run, failover will only be aware of the Up or Down status of the

interface.

– Ping Test: Click on the radio button to select the Ping Test as the link test to use for this

interface. The Ping Test sends ICMP Echo Request packets to the configured

destination IP address. If an ICMP Echo Reply is received (ping reply), the link test has

successfully demonstrated that the network interface can be used to communicate with

the specified destination.

Primary Destination (Ping Test): The primary, or first, destination to ping. The

destination must be a valid IPv4 address. If the destination is left empty, no Primary

Destination link test will be attempted.

Secondary Destination (Ping Test): The secondary, or second, destination to ping.

The destination must be a valid IPv4 address. If the destination is left empty, no

Secondary Destination link test will be attempted.

Send Count (Ping Test): The maximum number of ping requests to send for a ping

link test. When a reply is received, the ping test ends successfully and does not

continue to send ping requests. If no ping reply is received after Send Count ping

requests have been sent, the link test ends in failure.

Send Interval (Ping Test): The time interval in seconds between sending ping

requests during a ping link test. The ping tests sends a ping request. If no ping reply

is received before the Send Interval expires, another ping request is sent.

– TCP Connection Test: Click on the radio button to select the TCP Connection Test as

the link test to use for this interface. The TCP Connection Test attempts to establish a

TCP connection to the configured destination IP address and port number. If a

connection is successfully established, or if the remote host actively rejects (resets) the

connection attempt, the link test has successfully demonstrated that the network

interface can be used to communicate with the specified destination. If a TCP

connection is successfully established, it is immediately closed.

Primary TCP Port (TCP Connection Test: The destination TCP port to use to

connect to the Primary Destination address.

Primary Destination (TCP Connection Test): The primary, or first, destination to

which to establish a TCP connection. The Primary TCP Port is used as the port to

which the test connects at the Primary Destination. The destination must be a valid

IPv4 address. If the destination is left empty, no Primary Destination link test will be

attempted.

Secondary TCP Port (TCP Connection Test): The destination TCP port to use to

connect to the Secondary Destination address.

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Digi ConnectPort X4 User's Guide Page 76

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