ZyXEL Communications ES-2048 Chapter, Chapter, Chapter, Diagnostic, Maintenance

ES-2048 User’s Guide

Chapter 23
Maintenance .........................................................................................................		169
23.1	The Maintenance Screen .............................................................................	169
23.2	Load Factory Default .....................................................................................	170
23.3	Save Configuration .........................................................................................	170
23.4	Reboot System ...............................................................................................	171
23.5	Firmware Upgrade ......................................................................................	171
23.6	Restore a Configuration File .......................................................................	172
23.7	Backup a Configuration File ........................................................................	172
23.8 FTP Command Line .......................................................................................		173
23.8.1 Filename Conventions .........................................................................		173
	23.8.1.1 Example FTP Commands ...........................................................	174
23.8.2 FTP Command Line Procedure ...........................................................		174
23.8.3 GUI-based FTP Clients .........................................................................		175
23.8.4 FTP Restrictions ..................................................................................		175
Chapter 24
Access Control.....................................................................................................		177
24.1	Access Control Overview ...........................................................................	177
24.2	The Access Control Main Screen ...................................................................	177
24.3 About SNMP ................................................................................................		178
24.3.1 Supported MIBs ..................................................................................		179
24.3.2 SNMP Traps .......................................................................................		179
24.3.3 Configuring SNMP ...............................................................................		180
24.4	Setting Up Login Accounts .........................................................................	180
24.5	SSH Overview ................................................................................................	182
24.6 How SSH works .............................................................................................		182
24.7	SSH Implementation on the Switch ................................................................	183
24.7.1 Requirements for Using SSH ................................................................		184
24.8	Introduction to HTTPS ....................................................................................	184
24.9 HTTPS Example ............................................................................................		185
24.9.1 Internet Explorer Warning Messages ...................................................		185
24.9.2 Netscape Navigator Warning Messages ...............................................		185
24.9.3 The Main Screen ..................................................................................		186
24.10 Service Port Access Control .....................................................................		187
24.11 Remote Management ..............................................................................		188
Chapter 25
Diagnostic	.............................................................................................................	191
25.1	Diagnostic .....................................................................................................	191

14 Table of Contents