ZyXEL Communications metrogigabit switch Part V: Management............................................................................. 357

Table of Contents
MGS3700-12C User’s Guide
20
37.3.3 Global DHCP Relay Configuration Example .................. ........................................ 352
37.4 Configuring DHCP VLAN Settings ........................................................................ ........ 353
37.4.1 Example: DHCP Relay for Two VLANs .................................................................. 354
Part V: Management............................................................................. 357
Chapter 38
Maintenance.......................................................................................................................... 359
38.1 The Maintenance Screen .............................................................................................. 359
38.2 Load Factory Default ...................................................................................................... 360
38.3 Save Configuration ........................ .................................................................................. 360
38.4 Reboot System ................. ............................................................................................... 361
38.5 Firmware Upgrade ................................................ ........................................................ 361
38.6 Restore a Configuration File .............................. ........................................................... 362
38.7 Backup a Configuration File ............................................................................................ 363
38.8 FTP Command Line ........................................................................................................ 363
38.8.1 Filename Conventions .......................................................................................... 363
38.8.2 FTP Command Line Procedure ............................................................................ 364
38.8.3 GUI-based FTP Clients .................................. ........................................................ 365
38.8.4 FTP Restrictions ............................................................................................ ........ 365
Chapter 39
Access Control......................................................................................................................367
39.1 Access Control Overview ............................................................................................... 367
39.2 The Access Control Main Screen ..... ............................................................................... 367
39.3 About SNMP ................................................... ............................................................... 368
39.3.1 SNMP v3 and Security ............................ ............................................................... 369
39.3.2 Supported MIBs .................................................................................................... 369
39.3.3 SNMP Traps ............................................................................................. ..............370
39.3.4 Configuring SNMP ................................................................................................ 374
39.3.5 Configuring SNMP Trap Group ................ ........................................................... 377
39.3.6 Setting Up Login Accounts ............................................................ ..................... 378
39.4 SSH Overview ................................................................................................................. 379
39.5 How SSH works .......................................................................................... .... ... ... ...........380
39.6 SSH Implementation on the Switch .................. ............................................................... 381
39.6.1 Requirements for Using SSH ......................... ........................................................ 381
39.7 Introduction to HTTPS ................... ..................................................................................381
39.8 HTTPS Example ...................................................... ........................................................ 382
39.8.1 Internet Explorer Warning Messages .......................................................... ...........382
39.8.2 Netscape Navigator Warning Messages ............................................................... . 383
39.8.3 The Main Screen .................................................................. .................................. 385