Cisco Cisco Packet Data Interworking Function (PDIF)
Interchassis Session Recovery
Updating the Operating System ▀
ASR 5500 System Administration Guide, StarOS Release 18 ▄
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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