ZyXEL Communications GS-4012F - Page 14

GS-4012F User’s Guide
Table of Contents 13
Chapter 30
VRRP ..................................................................................................................... 173
30.1 Overview ........................................................................................................ 173
30.2 Viewing VRRP Status .................................................................................. 174
30.3 Configuring VRRP ......................................................................................... 175
30.3.1 IP Interface Setup ............................................................................... 175
30.3.2 VRRP Parameters ............................................................................... 176
30.3.2.1 Advertisement Interval ............................................................... 176
30.3.2.2 Priority ....................................................................................... 176
30.3.2.3 Preempt Mode ........................................................................... 176
30.3.3 Configuring VRRP Parameters ............................................................ 177
30.4 VRRP Configuration Summary ...................................................................... 178
30.5 VRRP Configuration Examples .................................................................... 178
30.5.1 One Subnet Network Example ............................................................ 178
30.5.2 Two Subnets Example ........................................................................ 180
Chapter 31
Maintenance ......................................................................................................... 183
31.1 The Maintenance Screen .............................................................................. 183
31.2 Firmware Upgrade ........................................................................................ 183
31.3 Restore a Configuration File ......................................................................... 184
31.4 Backing Up a Configuration File ................................................................... 184
31.5 Load Factory Defaults .................................................................................. 185
31.6 Reboot System .............................................................................................. 185
31.7 FTP Command Line ...................................................................................... 186
31.7.1 Filename Conventions ........................................................................ 186
31.7.1.1 Example FTP Commands .......................................................... 186
31.7.2 FTP Command Line Procedure .......................................................... 187
31.7.3 GUI-based FTP Clients ........................................................................ 187
31.7.4 FTP over WAN Restrictions ................................................................ 188
Chapter 32
Access Control..................................................................................................... 189
32.1 Overview ...................................................................................................... 189
32.2 The Access Control Main Screen .................................................................. 189
32.3 About SNMP ................................................................................................. 190
32.3.1 Supported MIBs ................................................................................. 191
32.3.2 SNMP Traps ....................................................................................... 191
32.3.3 Configuring SNMP .............................................................................. 192
32.3.4 Setting Up Login Accounts ................................................................. 192
32.4 SSH Overview ............................................................................................... 193
32.5 How SSH works ............................................................................................. 194
32.6 SSH Implementation on the Switch ............................................................... 195