9 Upgrade and Maintenance
About This Chapter
router upgrade and maintenance can optimize device performance, monitor device operation
status, simplify operations, and reduce operating expenditure (OPEX).
9.1 Upgrade and Maintenance Overview
Devices can be upgraded and maintained by activating GTL license files, upgrading system
software, managing patches, monitoring CPU and memory usage, or restarting devices.
9.2 Activating a GTL License File
A GTL(Global Trotter License) license file is an authorization file that controls the capacity and
functions of a device.
9.3 Upgrading System Software
Software upgrade can optimize device performance, add new features, and update the current
software version.
9.4 Managing Patches
This section describes several operations related to patches. You can install patches to upgrade
the system without interrupting services, specify a patch file to be used after the next startup,
uninstall patches that do not meet system requirements, or delete the unwanted patches to release
the memory of the patch area on the MPU.
9.5 Monitoring CPU and Memory Usage
Configure CPU and memory usage thresholds to monitor system performance.
9.6 Restarting the Device
After the system software of the router is upgraded, the router must be restarted for configurations
to take effect. Restarting the router also prevents the system failure due to an excessive number
of temporary files.
9.7 Configuration Examples
The examples explain networking requirements and precautions, and provide configuration
roadmaps.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - Basic Configuration 9 Upgrade and Maintenance
Issue 04 (2012-05-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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