SD Card Replacement with the IOS Operating System
1. If your router is using a battery backup system, you will need to disable it before powering down the device.
CGR1000# battery charge-discharge disable
2. Unplug the power cord from the router.
3. Once the router has powered off, remove the old SD card from the SD card slot.
4. Insert the new SD card into the SD card slot.
5. Connect the power cord to the router.
6. If there is no change in the binary version of the OS, the router will autoboot correctly.
a. Once the router completely boots up and is running, skip to step 13.
7. If there is a difference in the binary version of the OS, the router will stop at the rommon-1 prompt
8..From the rommon-1 prompt, confirm the availability of hypervisor and the IOS image using the following commands:
flash: cgr1000-universalk9-mz.SPA.156-3.M2
bootstrap: bootstrap:cgr1000-hv.srp.SPA.2.0.12
9. Set the hypervisor boot string using the following command:
rommon-1> set BOOT_HV=bootstrap:cgr1000-hv.srp.SPA.2.0.12
10. Set the IOS boot string using the following command:
rommon-1> set BOOT=flash:cgr1000-universalk9-mz.SPA.156-3.M2
11. Reload the router:
12. Once the router has reloaded and comes back up, it is ready to use.
13. If your router is using a battery backup system, you will need to re-enable it.
CGR1000# battery charge-discharge enable
SD Card Replacement with the CGOS Operating System
The procedure for replacing the SD card running CGOS is more complex because the CGOS stores all the configuration and encrypted private keys and certificates in different SD card partitions. IOS stores all of these in the NVRAM of the CGR1000 router mainboard.
Prior to replacing the SD card, make sure that the running configuration on the SD card is backed up to a tftp server. For example:
CGR1000# copy running-config tftp://192.168.0.1/original-config
After backing up the running configuration, replace the SD card using the following steps:
1. If your router is using a battery backup system, you will need to disable it before powering down the device.
CGR1000# backup-battery inhibit discharge
2. Unplug the power cord from the router.
3. Once the router has powered off, remove the old SD card from the SD card slot.
4. Insert the new SD card into the SD card slot.
5. Connect the power cord to the router.
6. If there is no change in the binary version of the CG-OS kickstart and system images, the router will autoboot correctly. Once the router completely boots up, go to step 11.
7. If there is a difference in the binary version of the CG-OS kickstart and system images, the router will stop at the loader> prompt.
8. From the prompt, confirm the availability of kickstart and the system images using the following commands:
cgr1000-uk9-kickstart.5.2.1.CG4.5.SPA.bin
cgr1000-uk9.5.2.1.CG4.5.SPA.bin
9. Boot the kickstart image:
loader> boot bootflash:cgr1000-uk9-kickstart.5.2.1.CG4.5.SPA.bin
10. Once the kickstart image has finished booting, load the system image:
CGR1000(boot)# load bootflash:cgr1000-uk9.5.2.1.CG4.5.SPA.bin
11. When the system image finishes loading, the System Admin Account Setup dialog will be shown.
12. Enter a password for the admin account when the prompt Enter the password for admin: is shown.
13. Skip the Basic configuration dialog by entering no.
14. Log into the router using admin and password that you entered in the step 12.
15. Configure the IP address for an Ethernet interface (e.g. Ethernet 2/1) and use tftp to copy the configuration file you obtained from the original SD card to the bootflash. For example:
cgr1000# copy tftp://192.168.0.1/original-config bootflash:original-config
16. Restore the original configuration.
cgr1000# copy bootflash:original-config running-config
17. Set the CG-GOS boot kickstart and system variables:
cgr1000(config)# boot kickstart bootflash:/cgr1000-uk9-kickstart.5.2.1.CG4.5.SPA.bin
cgr1000(config)# boot system bootflash:/cgr1000-uk9.5.2.1.CG4.5.SPA.bin
18. Save the running-config to the startup-config, and reload the router:
cgr1000# copy running-config startup-config
19. Once the router has reloaded and comes back up, it is ready to use.
20. If the router has any certificate trustpoint in the original configuration, its certificate and CA certificate must be re-acquired for the trust-point via SCEP or manual certificate import.
21. If your router is using a battery backup system, you will need to re-enable it:
CGR1000# backup-battery un-inhibit discharge