для Cisco Cisco Packet Data Gateway (PDG)
Interchassis Session Recovery
▀ Updating the Operating System
▄ ASR 5500 System Administration Guide, StarOS Release 16
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Reloading the Chassis
Reboot the chassis by entering the following command:
[local]<host_name># reload [-noconfirm]
As the system reboots, it loads the new operating system software image and its corresponding CLI configuration file
using the new boot stack entry configured earlier.
using the new boot stack entry configured earlier.
After the system reboots, establish a CLI session and enter the show version command to verify that the active software
version is correct.
version is correct.
Optional for PDSN: If you are using 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.
Updating the Configuration File
Features in the new operating system may require changes tot he configuration file. These changes can be done
manually or facilitated by custom scripts prepared by Cisco TAC. Make whatever changes are necessary prior to saving
the updated configuration file.
manually or facilitated by custom scripts prepared by Cisco TAC. Make whatever changes are necessary prior to saving
the updated configuration file.
Verifying the Software Version
After the system has successfully booted, verify that the new StarOS version is running by executing the Exec mode
show version command.
show version command.
Saving the Configuration File
Use the Exec mode save configuration command to save the currently running configuration to the /flash device and to
an off-chassis location (external memory device or network URL). The off-chassis copy assures that you will have a
fallback, loadable configuration file should a problem be encountered.
an off-chassis location (external memory device or network URL). The off-chassis copy assures that you will have a
fallback, loadable configuration file should a problem be encountered.
Completing the Update Process
Repeat the following tasks to complete the upgrade process on the standby secondary chassis:
Waiting for Session Synchronization
Allow time for session synchronization to occur between the ICSR chassis before preceding to the next steps.
Step 1
Run the show session recovery status verbose command on both chassis. Proceed to the next steps only when no
errors are seen in the output of this command.
errors are seen in the output of this command.
Step 2
On the standby chassis, run show srp checkpoint statistics |more.