ZyXEL Communications ES-2024 Series - Page 17

Table of Contents
ES-2024 Series User’s Guide
17
27.2 DHCP Status ................................................................................................................... 216
27.3 DHCP Relay ................................................................................................................... 216
27.3.1 DHCP Relay Agent Information ............................................................................. 216
27.3.2 Configuring DHCP Global Relay ............................................................................ 217
27.3.3 Global DHCP Relay Configuration Example .......................................................... 218
27.4 Configuring DHCP VLAN Settings ................................................................................ 219
27.4.1 Example: DHCP Relay for Two VLANs .................................................................. 220
Part V: Management............................................................................. 223
Chapter 28
Maintenance ..........................................................................................................................225
28.1 The Maintenance Screen ............................................................................................... 225
28.2 Load Factory Default ...................................................................................................... 226
28.3 Save Configuration .......................................................................................................... 226
28.4 Reboot System ................................................................................................................ 227
28.5 Firmware Upgrade ........................................................................................................ 227
28.6 Restore a Configuration File ......................................................................................... 228
28.7 Backup a Configuration File ......................................................................................... 228
28.8 FTP Command Line ........................................................................................................ 229
28.8.1 Filename Conventions .......................................................................................... 229
28.8.2 FTP Command Line Procedure ............................................................................ 230
28.8.3 GUI-based FTP Clients .......................................................................................... 231
28.8.4 FTP Restrictions .................................................................................................... 231
Chapter 29
Access Control......................................................................................................................233
29.1 Access Control Overview ............................................................................................ 233
29.2 The Access Control Main Screen .................................................................................... 233
29.3 About SNMP .................................................................................................................. 234
29.3.1 SNMP v3 and Security ........................................................................................... 235
29.3.2 Supported MIBs ................................................................................................... 235
29.3.3 SNMP Traps .......................................................................................................... 236
29.3.4 Configuring SNMP .............................................................................................. 240
29.3.5 Configuring SNMP Trap Group ........................................................................... 243
29.3.6 Setting Up Login Accounts ................................................................................. 244
29.4 SSH Overview ................................................................................................................. 245
29.5 How SSH works ............................................................................................................... 246
29.6 SSH Implementation on the Switch ................................................................................. 247
29.6.1 Requirements for Using SSH ................................................................................. 247
29.7 Introduction to HTTPS .....................................................................................................247