Cisco Cisco Packet Data Interworking Function (PDIF)
Software Management Operations
▀ Upgrading the Operating System Software
▄ ASR 5000 System Administration Guide, StarOS Release 16
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Stage 4 - Reboot All Packet Processing Cards
In this stage, the active SMC is aware of all system and card-level states and tasks. All packet processing cards that are
in standby operational mode are restarted simultaneously, and after passing their Power On Self Test (POST)
diagnostics, their control processors (CPs) are loaded with the new operating system software image.
in standby operational mode are restarted simultaneously, and after passing their Power On Self Test (POST)
diagnostics, their control processors (CPs) are loaded with the new operating system software image.
The remaining packet processing cards, which may be enforcing overload policies that prevent any new sessions from
entering the system, are then migrated to the cards that are running the new operating system software. The overload
policies and minimal system tasks continue running on the newly upgraded packet processing cards. The original active
packet processing cards are then restarted, all at once, and upgraded to the new operating system software image.
entering the system, are then migrated to the cards that are running the new operating system software. The overload
policies and minimal system tasks continue running on the newly upgraded packet processing cards. The original active
packet processing cards are then restarted, all at once, and upgraded to the new operating system software image.
Important:
The system will only migrate as many active packet processing cards as there are standby cards. If
this is not a 1:1 correlation, the system will repeat this procedure of migrating - updating - migrating back until all
normally active packet processing cards have been upgraded.
normally active packet processing cards have been upgraded.
Once all of the cards have been upgraded and returned to their desired (normal) operating states, the system can proceed
to the final stage of the on-line software upgrade procedure.
to the final stage of the on-line software upgrade procedure.
Stage 5 - Return System to Normal Operation
In this stage, all cards are running the new operating system software, but the full CLI configuration file that was
created at the beginning of the upgrade has not yet been re-loaded and all network processor units (NPUs) are still
operating in global bypass mode.
created at the beginning of the upgrade has not yet been re-loaded and all network processor units (NPUs) are still
operating in global bypass mode.
The system begins loading the temporary CLI configuration file that was created at the beginning of the on-line
software upgrade. This process can take over a minute to complete, depending on the size and complexity of the
configuration file. As this process begins, the NPUs are programmed and all normal tasks are brought on-line, even
though they are still in global bypass mode.
software upgrade. This process can take over a minute to complete, depending on the size and complexity of the
configuration file. As this process begins, the NPUs are programmed and all normal tasks are brought on-line, even
though they are still in global bypass mode.
Once the configuration is fully loaded, returning the system to its pre-upgrade configuration, the system will switch the
NPUs from global bypass mode. This cancels all redirection tasks configured by the overload policies, and the system
can once again begin accepting new sessions.
NPUs from global bypass mode. This cancels all redirection tasks configured by the overload policies, and the system
can once again begin accepting new sessions.
Performing an On-line Software Upgrade
This procedure describes how to perform a software upgrade using the on-line software upgrade method. This procedure
assumes that you have a CLI session established and are placing the new operating system image file onto the local file
system.
assumes that you have a CLI session established and are placing the new operating system image file onto the local file
system.
Optional for PDSN: If you want to use the IP Pool Sharing Protocol during your upgrade, refer to Configuring IPSP
Before the Software Upgrade in the PDSN Administration Guide.
Before the Software Upgrade in the PDSN Administration Guide.
To begin, make sure you are at the Exec mode prompt.
[local]host_name#
Step 1
Verify that there is enough free space on the device to accommodate the new operating system image file by entering
the following command:
the following command:
directory { /flash | /pcmcia1 | /hd-raid }