3Com Switch 4200G Configuration Guide

6 CONTENTS
NTP Implementation Mode Configuration 295
Access Control Permission Configuration 297
NTP Authentication Configuration 297
Configuration of Optional NTP Parameters 299
Displaying and Debugging NTP 300
Configuration Example 300
36 SSH TERMINAL SERVICES
SSH Terminal Services 309
SFTP Service 317
37 FILE SYSTEM MANAGEMENT
File Attribute Configuration 325
File System Configuration 326
Testing Tools for Network Connection 331
38 FTP AND TFTP CONFIGURATION
FTP Configuration 333
TFTP Configuration 339
39 INFORMATION CENTER
Information Center Overview 343
Information Center Configuration 345
Displaying and Debugging Information Center 350
Information Center Configuration Example 350
40 BOOTROM AND HOST SOFTWARE LOADING
Introduction to Loading Approaches 353
Local Software Loading 353
Remote Software Loading 361
41 Basic System Configuration and Debugging
Basic System Configuration 365
Displaying the System Status 367
System Debugging 367
42 IP PERFORMANCE CONFIGURATION
IP Performance Configuration 371
Displaying and Debugging IP Performance 371
Troubleshooting the IP Performance Configuration 372
43 NETWORK CONNECTIVITY TEST
Network Connectivity Test 373