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10 Avaya™ ATM WAN Survivable Processor Manager Installation and Configuration
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ASP Manager does not download an exact copy of the translations to the WSPs. If it did, it
would overwrite critical connectivity information that allows the WSP to communicate with
other systems. Instead, after uploading translations from the main server, ASP Manager
makes some minor adjustments to the translations; for example, changing IP address, port,
and node name information, as appropriate, to work on the given WSP.
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Once ASP Manager has uploaded translations from the main server, it issues the status atm
wsp command on the main server. If the WAN Processor Role field contains a value of
“pending”, no WSP data is available and ASP Manager logs an error. If the WAN Processor
Role field contains any other value, ASP Manager can then display the name, number, and
link status of each WSP in the network.
ASP Manager then connects and logs in to each WSP, using login IDs and passwords that
have previously been set up on the WSPs and specified in ASP Manager. ASP Manager issues
the status atm wsp command on each WSP. If the WAN Processor Role field contains a
value of “spare” and the State field contains a value of “standby,” then ASP Manager issues
the save translations removable-media command, and then the download
translations command. If the WAN Processor Role and the State fields contain any other
values, then ASP Manager aborts the save translations and the download and logs an error.
After ASP Manager downloads translations successfully, it does one of two things: for
anything prior to DEFINITY ECS Release 10 systems, it issues a reset system 4 disk
command; for DEFINITY ECS Release 10 and later systems, it issues a reset system 3 disk
preserve-license command. These commands reboot the WSP in a forced-standby mode.
This terminates the connection between the WSP and ASP Manager.
Several minutes later, ASP Manager attempts to reconnect to the rebooted WSP. If it fails, it
tries again in another several minutes. If it fails again, it logs an error in its status log. If it
succeeds, ASP Manager modifies the translations. Precisely how depends on whether or not
the main server has the “critical reliability” feature enabled.