H.1 Changing the settings in the jp1hosts2 definition file
A jp1hosts2 definition file contains hosts information specific to JP1. Reasons you might use a jp1hosts2 definition file include being unable to use the operating system's name resolution process, wanting JP1/Base to communicate using a specific LAN in an environment with multiple LAN connections, and wanting the local host in a cluster system to use multiple IP addresses for reception. This file also allows JP1/Base to communicate using IPv6 addresses.
JP1/Base uses the name resolution process of the OS for host names not defined in the hosts information. Depending on your network environment, you might need to configure a communication protocol settings file. For details on the jp1hosts2 definition file, see jp1hosts2 definition file in 16. Definition Files.
- Examples of situations where communication settings need to be changed:
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The name resolution process of the operating system cannot resolve the destination host name, or obtains an address that is not the preferred IP address
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You want JP1/Base to use multiple LANs for receiving in a cluster system environment with multiple LAN connections
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You want JP1/Base to use a specific LAN for receiving in an environment with multiple LAN connections
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In a Windows environment, you want to run JP1/Base services on physical and logical hosts on the same host
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You want JP1/Base to use a specific LAN for sending in an environment with multiple LAN connections
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You want JP1/Base to communicate using IPv6 addresses
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