Cisco Cisco Packet Data Gateway (PDG)

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  Interchassis Session Recovery 
StarOS Updates in an ICSR Configuration  ▀   
 
VPC-VSM System Administration Guide, StarOS Release 19  ▄  
 
   
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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 
[local]host_namedirectory /flash 
Step 5 
Run the show version /flash/image_filename command to verify the build information. For example: 
local]host_nameshow version /flash/image_filename.bin 
Standby Backup Instance 
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 instance to handle a software 
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. 
Performing SRP Checks 
Service Redundancy Protocol (SRP) checks verify that the mechanism for monitoring ICSR status is operational. 
Step 1 
Run show srp monitor all
Step 2 
Review the output for any issues that may preclude performing the software update. 
Updating the Boot Record 
You must add a new boot stack entry for the recently downloaded software image (.bin) file. 
Step 1 
Run the Exec mode show boot command to verify that there are less than 10 entries in the boot.sys file and that a higher 
priority entry is available (minimally there is no priority 1 entry in the boot stack). 
Step 2 
Create a new boot stack entry for the new file group, consisting of the new operating system image file and the currently 
used CLI configuration file by entering the following Global Configuration command: 
[local]host_name(config)# boot system priority number image image_url 
/flash/filename config cfg_url /flash/filename