Cisco Cisco Packet Data Gateway (PDG) Fehlerbehebungsanleitung
Software Management Operations
Upgrading the Operating System Software ▀
Cisco ASR 5000 Series System Administration Guide ▄
OL-22969-02
Keyword/Variable
Description
Disables the ―
‖ confirmation prompt asked before executing the command.
The SPCs/SMCs within the system load the new operating system image and the local file system is
synchronized. The system then updates all standby PACs/PSCs. Next, it begins to update each active
PAC/PSC, one at a time. The system monitors all sessions being processed by active PACs/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 PAC/PSC in active mode to standby
mode. The new standby PAC/PSC is upgraded and rebooted. Once booted, the card is placed back into
service as an active PAC/PSC.
synchronized. The system then updates all standby PACs/PSCs. Next, it begins to update each active
PAC/PSC, one at a time. The system monitors all sessions being processed by active PACs/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 PAC/PSC in active mode to standby
mode. The new standby PAC/PSC is upgraded and rebooted. Once booted, the card is placed back into
service as an active PAC/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 PACs/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.
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.
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.
the pre-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:
Important:
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.