Cisco Cisco Packet Data Interworking Function (PDIF) Guía Para Resolver Problemas
Software Management Operations
▀ Upgrading the Operating System Software
▄ Cisco ASR 5000 Series System Administration Guide
OL-22970-01
Keyword/Variable
Description
Disables the ―
‖ confirmation prompt asked before executing the command.
The SMCs within the system load the new operating system image and the local file system is synchronized. The system
then updates all standby PSCs. Next, it begins to update each active PSC, one at a time. The system monitors all
sessions being processed by active PSCs. When all sessions facilitated by a specific Session Manager task are either
self-terminated or automatically terminated based on the thresholds configured in step 8, the system migrates the PSC in
active mode to standby mode. The new standby PSC is upgraded and rebooted. Once booted, the card is placed back
into service as an active PSC.
then updates all standby PSCs. Next, it begins to update each active PSC, one at a time. The system monitors all
sessions being processed by active PSCs. When all sessions facilitated by a specific Session Manager task are either
self-terminated or automatically terminated based on the thresholds configured in step 8, the system migrates the PSC in
active mode to standby mode. The new standby PSC is upgraded and rebooted. Once booted, the card is placed back
into service as an active PSC.
Step 13 Optional: To view the status of an on-line software process, enter the following command from the Exec mode prompt:
This command displays the status of the on-going on-line software upgrade.
Once all PSCs have been upgraded, the full configuration file is loaded, the NPUs are taken out of global bypass mode,
and the system is returned to normal operation. When the on-line software upgrade has been completed, all sessions on
the system will be new and all system statistics will have been reset.
and the system is returned to normal operation. When the on-line software upgrade has been completed, all sessions on
the system will be new and all system statistics will have been reset.
Upon completion of the software upgrade, the system will automatically begin accepting new sessions, using the pre-
existing configuration that was running. All system statistical counters will have been reset to zero.
existing configuration that was running. All system statistical counters will have been reset to zero.
Aborting an On-line Software Upgrade
Abort the on-line software upgrade process by entering the following command:
I
MPORTANT
:
The abort upgrade command can only be used during Stage 1 (busy-out) of an on-line software
upgrade.
Restoring the Previous (Pre-online Upgrade) Software Image
If for some reason you need to restore the system to the software image that was running before the online upgrade
process, perform the On-Line Software Upgrade again and specify the locations of the original software image and
configuration files.
process, perform the On-Line Software Upgrade again and specify the locations of the original software image and
configuration files.
Performing an Off-line Software Upgrade
An off-line software upgrade can be performed for any system, upgrading from any version of operating system
software to any version, regardless of version number. This process is considered off-line because while many of the
software to any version, regardless of version number. This process is considered off-line because while many of the