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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Both ICSR Chassis
Log into the CLI of the primary and backup and perform the tasks described below.
Downloading and Transferring the StarOS Build
Step 1
Verify that there is enough free space on the /flash device to accommodate the new operating system image file by
entering the following Exec mode command:
entering the following Exec mode command:
[local]<host_name># directory /flash
Step 2
Access to the Cisco support site and download facility is username and password controlled. Download the software
image to a network location or physical device (USB stick) from which it can be uploaded to the /flash device.
image to a network location or physical device (USB stick) from which it can be uploaded to the /flash device.
Step 3
Transfer the new operating system image file to the /flash device on the MIO/UMIO using one of the following
methods:
methods:
Step a
Copy the file from a network location or local device plugged into the MIO/UMIO using the copy
command
[local]<host_name># copy <from_url> <to_url> [-noconfirm]
Step b
Transfer the file to the /flash device using an FTP client with access to the system. The FTP client
must be configured to transfer the file using binary mode.
Step c
Transfer the file to the /flash device using an SFTP client with access to the system.
Step 4
Verify that the image file was successfully transferred to the /flash device by running the Exec mode the following
command
command
[local]<host_name># directory /flash
Step 5
Run the show version /flash/<image_filename> command to verify the build information. For example:
local]<host_name># show version /flash/image_filename.bin
Standby Backup Chassis
Log into the backup standby chassis and perform the tasks described below.
Performing Health Checks
Health checks are a series of Exec mode show commands to determine the readiness of the system to handle a software
update.
update.
Step 1
Run show card table all |grep unknown. No output should be displayed.
Step 2
Run show card table |grep offline. No output should be displayed.
Step 3
Run show resources |grep Status. The output should display “
Within acceptable limits
”.
Step 4
Run show alarm outstanding. Review the output for any issues that may preclude performing the software update.