Cisco Cisco Expressway Maintenance Manual
Limitations
The following limitations apply:
■
Backups can only be restored to a system running the same version of software from which the backup was
made.
made.
■
You can create a backup on one Expressway and restore it to a different Expressway, for example if the
original system has failed. However, before performing the restore you must install on the new system the
same set of option keys that were installed on the old system. If you attempt to restore a backup made on a
different Expressway, you will receive a warning message, but you will be allowed to continue.
original system has failed. However, before performing the restore you must install on the new system the
same set of option keys that were installed on the old system. If you attempt to restore a backup made on a
different Expressway, you will receive a warning message, but you will be allowed to continue.
■
Do not use backups to copy data between Expressways, because system specific information, such as IP
addresses, will be duplicated.
addresses, will be duplicated.
Note:
We recommend that you take the Expressway unit out of service before performing a restore.
section.
Creating a System Backup
To create a backup of Expressway system data:
1.
Go to Maintenance > Backup and restore.
2.
Optionally, enter an Encryption password with which to encrypt the backup file.
If a password is specified, the same password will be required to restore the file.
3.
Click Create system backup file.
4.
After the backup file has been prepared, a pop-up window appears and prompts you to save the file (the exact
wording depends on your browser). The default name is in the format:
<software version>_<hardware serial number>_<date>_<time>_backup.tar.gz.
wording depends on your browser). The default name is in the format:
<software version>_<hardware serial number>_<date>_<time>_backup.tar.gz.
(The file extension is normally .tar.gz.enc if an encryption password is specified. However, if you use Internet
Explorer to create an encrypted backup file, the filename extension will be .tar.gz.gz by default. These
different filename extensions have no operational impact; you can create and restore encrypted backup files
using any supported browser.)
Explorer to create an encrypted backup file, the filename extension will be .tar.gz.gz by default. These
different filename extensions have no operational impact; you can create and restore encrypted backup files
using any supported browser.)
The preparation of the system backup file may take several minutes. Do not navigate away from this page
while the file is being prepared.
while the file is being prepared.
5.
Save the file to a designated location.
Log files are not included in the system backup file.
Restoring a Previous Backup
To restore the Expressway to a previous configuration of system data:
1.
Go to Maintenance > Backup and restore.
2.
In the Restore section, Browse to the backup file containing the configuration you want to restore.
3.
In the Decryption password field, enter the password that was used to create the backup file, or leave it
blank if the backup file was created without a password.
blank if the backup file was created without a password.
4.
Click Upload system backup file.
5.
The Expressway checks the file and takes you to the Restore confirmation page.
—
If the backup file is not valid or an incorrect decryption password is entered, you will receive an error
message at the top of the Backup and restore page.
message at the top of the Backup and restore page.
—
You are shown the current software version and the number of calls.
6.
Read all the warning messages that appear before proceeding with the restore.
200
Cisco Expressway Administrator Guide