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ES-2108/ES-2108-G User’s Guide
Table of Contents 11
Chapter 20
Differentiated Services........................................................................................ 107
20.1 Overview ........................................................................................................ 107
20.1.1 DSCP and Per-Hop Behavior .............................................................. 107
20.1.2 DiffServ Network Example .................................................................. 107
20.2 Activating DiffServ ....................................................................................... 108
20.3 DSCP-to-IEEE802.1p Priority Mapping .................................................... 109
20.3.1 Configuring DSCP Settings .................................................................. 109
Chapter 21
Maintenance ..........................................................................................................111
21.1 The Maintenance Screen ..............................................................................111
21.2 Firmware Upgrade ...................................................................................... 112
21.3 Restore a Configuration File ........................................................................ 112
21.4 Backing Up a Configuration File .................................................................. 113
21.5 Load Factory Defaults ................................................................................. 113
21.6 Reboot System ............................................................................................ 114
21.7 FTP Command Line ...................................................................................... 114
21.7.1 Filename Conventions ........................................................................ 114
21.7.1.1 Example FTP Commands .......................................................... 115
21.7.2 FTP Command Line Procedure .......................................................... 115
21.7.3 GUI-based FTP Clients ........................................................................ 116
21.7.4 FTP Restrictions .................................................................................. 116
Chapter 22
Access Control......................................................................................................117
22.1 Overview ...................................................................................................... 117
22.2 The Access Control Main Screen .................................................................. 117
22.3 About SNMP ................................................................................................ 118
22.3.1 Supported MIBs ................................................................................. 119
22.3.2 SNMP Traps ....................................................................................... 119
22.3.3 Configuring SNMP .............................................................................. 119
22.4 Setting Up Login Accounts ......................................................................... 120
22.5 SSH Overview ............................................................................................... 121
22.6 How SSH works ............................................................................................. 122
22.7 SSH Implementation on the Switch ............................................................... 123
22.7.1 Requirements for Using SSH ............................................................... 123
22.7.2 SSH Login Example ............................................................................. 123
22.8 Introduction to HTTPS ................................................................................... 124
22.9 HTTPS Example ............................................................................................ 125
22.9.1 Internet Explorer Warning Messages ................................................... 125
22.9.2 Netscape Navigator Warning Messages .............................................. 126
22.9.3 The Main Screen .................................................................................. 127