5
S
OFTWARE
M
AINTENANCE
Introduction
55
BootROM Menu
58
Upgrading BootROM Through Serial Port
62
Upgrading Application Program Through Serial Port
65
Upgrading Application Program Through Ethernet Interface
66
Maintaining Application Program and Configurations Through Command Lines
69
Maintaining Application Program and Configuration File
74
Dealing with Router Password Loss
76
Backing up and Restoring BootROM
77
6
H
ARDWARE
M
AINTENANCE
Preparing Tools
79
Opening/Closing the Chassis Cover
79
Internal Structure of the Router
82
Removing/Installing a Power Module
85
Installing/Removing a CF Card
87
Replacing a Memory Module
88
Replacing a VPM
92
Installing/Removing an ESM/VCPM Card
93
7
T
ROUBLESHOOTING
Troubleshooting the Power System
95
Troubleshooting the Configuration System
95
Troubleshooting Application Image Upgrade
96