Upgrading Version Software In Dual-System Hot Backup; Overview - Huawei USG6000 Upgrade Manual

HUAWEI USG6000&USG9500
Upgrade Guide
2.
3.
4.
Procedure
Step 1 The precautions and the result check method of the version rollback operation are the same as
those of the version upgrade operation. For details, see the descriptions of corresponding
upgrade modes.
Step 2 During the version rollback, services are interrupted temporarily. The interruption duration
depends on the rollback mode and the service configuration.
Step 3 Before the version rollback, contact technical support personnel to determine whether the
target version needs to be patched. If yes, install the patch immediately after the version
rollback is complete. For how to install the patch, see the usage guide of the corresponding
patch version.
----End
2.3 Upgrading Version Software in Dual-System Hot
Backup

2.3.1 Overview

Dual-system hot backup is an important feature of the device . Dual-system hot backup
indicates that two deviceba are deployed, if one device is faulty, the other takes over the work
immediately. In this way, the single point failure is avoided, and the network stability and
reliability are improved. For details, refer to the corresponding product document.
You should comply with certain procedure and principle to upgrade version software in the
dual-system hot backup networking. The main principle of the upgrade is upgrading the
backup device and then the master device independently. Note that the HRP backup channel
(the heartbeat line) must be disconnected during the upgrade.
Issue 01 (2018-01-16)
Copy the target version of version rollback to the CF card. For details, see
Uploading and Downloading
The system software file of versions earlier than V500R001C50 does not include any
digital certificate. To load the system software file of an early version, run the set
system-software check-mode all command to set the mode for verifying system
software integrity to all. Otherwise, the file cannot be used for the next startup.
Access the diagnose view and run the recover system filename command.
NOTICE
l If multiple CFcard:/backup/yyyyMMddHHmmss folders exist, use the latest one
for the version rollback.
[FW-diagnose]recover system V500R001C50.cc
Confirm: Will you recover and reboot the system ?[Y/N]
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Files.
2 USG9500
Appendix:
y
169