ZyXEL Communications GS-4024 User Manual page 22

GS-4024 User's Guide
Figure 82 DHCP Server Network Example ........................................................... 172
Figure 83 DHCP Server Configuration Example ................................................... 172
Figure 84 DHCP: Relay ......................................................................................... 173
Figure 85 DHCP Relay Network Example ............................................................. 174
Figure 86 DHCP Relay Configuration Example ..................................................... 174
Figure 87 VRRP: Example 1 ................................................................................. 175
Figure 88 VRRP Status ......................................................................................... 176
Figure 89 VRRP Configuration: IP Interface .......................................................... 177
Figure 90 VRRP Configuration: VRRP Parameters .............................................. 179
Figure 91 VRRP Configuration: Summary ............................................................. 180
Figure 92 VRRP Configuration Example: One Virtual Router Network ................. 181
Figure 93 VRRP Example 1: VRRP Parameter Settings on Switch A ................... 181
Figure 94 VRRP Example 1: VRRP Parameter Settings on Switch B ................... 181
Figure 95 VRRP Example 1: VRRP Status on Switch A ....................................... 182
Figure 96 VRRP Example 1: VRRP Status on Switch B ....................................... 182
Figure 97 VRRP Configuration Example: Two Virtual Router Network ................. 182
Figure 98 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch A ..... 183
Figure 99 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch B ..... 183
Figure 100 VRRP Example 2: VRRP Status on Switch A ..................................... 183
Figure 101 VRRP Example 2: VRRP Status on Switch B ..................................... 183
Figure 102 Maintenance ....................................................................................... 185
Figure 103 Firmware Upgrade .............................................................................. 185
Figure 104 Restore Configuration ......................................................................... 186
Figure 105 Backup Configuration .......................................................................... 186
Figure 106 Load Factory Default: Conformation ................................................... 187
Figure 107 Load Factory Default: Start .................................................................. 187
Figure 108 Reboot System: Confirmation ............................................................. 187
Figure 109 Reboot System: Start .......................................................................... 188
Figure 110 Console Port Priority ............................................................................ 191
Figure 111 Access Control ..................................................................................... 192
Figure 112 SNMP Management Model ................................................................. 192
Figure 113 Access Control: SNMP ........................................................................ 194
Figure 114 Access Control: Logins ........................................................................ 195
Figure 115 SSH Communication Example ............................................................. 196
Figure 116 How SSH Works ................................................................................... 196
Figure 117 HTTPS Implementation ........................................................................ 198
Figure 118 Security Alert Dialog Box (Internet Explorer) ........................................ 199
Figure 119 Security Certificate 1 (Netscape) .......................................................... 199
Figure 120 Security Certificate 2 (Netscape) .......................................................... 200
Figure 121 Login Screen (Internet Explorer) .......................................................... 201
Figure 122 Login Screen (Netscape) ...................................................................... 201
Figure 123 Access Control: Service Access Control ............................................. 202
Figure 124 Access Control: Remote Management ................................................ 203
List of Figures 21