Saving Backup Copies Of Your Old System Image And Configuration - Cisco CSR 1000v Series Software Configuration Manual

Saving Backup Copies of Your Old System Image and Configuration

If upgrading to Cisco IOS XE Release 3.11S from an earlier release, we recommend that you update your
Caution
configuration to remove the GigabitEthernet0 management interface before upgrading. Because the
GigabitEthernet0 interface is no longer supported beginning with Cisco IOS XE Release 3.11S, you will
receive system errors if the upgraded configuration includes this interface.If downgrading from Cisco IOS
XE Release 3.11S to an earlier release, note also that the management interface will need to change to
GigabitEthernet0 for the earlier release.
Be sure to complete the following prerequisites for upgrading the Cisco IOS XE version of the Cisco CSR
1000v software image:
Read the
• Compatibility with the hypervisor vendor and version being used. If you want to upgrade to a new
• System requirements for the x86 hardware that may differ from those of the currently running Cisco
• Memory requirements of the VM for the Cisco CSR 1000v software image.
• Software features supported on the upgraded Cisco IOS XE version.
• Any upgrade restrictions.
Obtain the Cisco CSR 1000v software image from Cisco.com. See
Image, on page 63
You must use the .bin file to upgrade or downgrade your software. The .iso and .ova files are used for
Note
first-time installation only.
Saving Backup Copies of Your Old System Image and
Configuration
To avoid unexpected downtime in the event you encounter serious problems using a new system image or
startup configuration, we recommend that you save backup copies of your current startup configuration file
and Cisco IOS software system image file on a server.
For more detailed information, see the "Managing Configuration Files" chapter in the
Files Configuration Guide, Cisco IOS XE Release
To save backup copies of the startup configuration file and the system image file, complete the following
steps.
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
200
Cisco CSR 1000v Series Cloud Services Router Release Notes
hypervisor version not supported by your current version of Cisco CSR 1000v, you need to upgrade the
version of Cisco CSR 1000v before upgrading to the new hypervisor version.
CSR 1000v.
Note If the new Cisco CSR 1000v version requires more memory than your previous version,
you must increase the memory allocation on the VM before beginning the upgrade
process.
.
Upgrading the Cisco IOS XE Software
to verify the following:
Obtaining the Cisco CSR 1000v VM
3S.
Managing Configuration