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86 IOLAN DS1/TS2 User’s Guide, Version 3.4
Adding/Editing a Multihost Entry
When you click the Add or Edit button, the Host Entry window appears. The hosts in the multihost
list must already be defined (see
Host Table on page 64 to learn how to create a host). If you add a
host that was defined with its fully qualified domain name (FQDN), it must be resolvable by your
configured DNS server.
Configure the following parameters:
Define a primary
host and backup...
When this option is enabled, you need to define a primary host that the serial
device connected to this serial port will communicate to and a backup host, in
the event that the IOLAN looses communication to the primary host. The
IOLAN will first establish a connection to the primary host. Should the
connection to the primary host be lost (or never established), the IOLAN will
establish a connection the backup host. Once connected to the backup, the
IOLAN will attempt to re-establish a connection to the Primary host, once this
is successfully done, it gracefully shuts down the backup connection.
Default: Disabled
Primary Host Specify a preconfigured host that the serial device will communicate to through
the IOLAN.
Default: None
TCP Port Specify the TCP port that the IOLAN will use to communicate to the Primary
Host
.
Default: 0
Backup Host Specify a preconfigured host that the serial device will communicate to through
the IOLAN if the IOLAN cannot communicate with the
Primary Host.
Default: None
TCP Port Specify the TCP port that the IOLAN will use to communicate to the Backup
Host.
Default: 10000
Host Name Specify the preconfigured host that will be in the multihost list.
Default: None
TCP Port Specify the TCP port that the IOLAN will use to communicate to the Host.
Default: 0