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GS-4012F User’s Guide

282 Chapter 42 Troubleshooting

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Default Chapter2
- Copyright2
- Interference Statements and Warnings3
- Safety Warnings4
- Zyxel Limited Warranty5
- Customer Support6
- Table of Contents8
- List of Figures20
- List of Tables26
- Preface30
- User Guide Feedback31
Chapter 1 Getting to Know Your Switch32
- Introduction32
- Software Features32
- Hardware Features35
- Applications36
Chapter 2 Hardware Installation and Connection40
- Freestanding Installation40
- Figure 6 Attaching Rubber Feet40
- Mounting the Switch on a Rack41
Chapter 3 Hardware Overview44
- Front Panel Connection44
- Rear Panel47
- Front Panel Leds48
- Table 2 Front Panel Leds48
Chapter 4 The Web Configurator50
- Introduction50
- System Login50
- Figure 15 Web Configurator: Login50
- The Status Screen51
- Switch Lockout55
- Figure 17 Change Administrator Login Password55
- Resetting the Switch56
  - Reload the Configuration File56
- Logging out of the Web Configurator57
- Help57
- Figure 18 Resetting the Switch: Via the Console Port57
- Figure 19 Web Configurator: Logout Screen57
Chapter 5 Initial Setup Example58
- Overview58
- System Status and Port Statistics64
Chapter 6 System Status and Port Statistics64
- Port Details65
- Table 6 Status65
- Figure 24 Status: Port Details66
- Table 7 Status: Port Details66
Chapter 7 Basic Setting70
- Overview70
- System Information70
- Figure 25 System Info71
- Table 8 System Info71
- General Setup72
- Figure 26 General Setup73
- Table 9 General Setup73
- Introduction to Vlans74
- IGMP Snooping75
- Switch Setup Screen75
- Figure 27 Switch Setup75
- Table 10 Switch Setup76
- IP Setup77
- Port Setup79
- Figure 29 Port Setup80
- Table 12 Port Setup80
Chapter 8 VLAN82
- Introduction to IEEE 802.1Q Tagged Vlans82
  - Forwarding Tagged and Untagged Frames82
- Automatic VLAN Registration83
- Port VLAN Trunking84
- Select the VLAN Type84
- Figure 30 Port VLAN Trunking84
- Static VLAN85
- Port-Based Vlans89
Chapter 9 Static MAC Forward Setup92
- Overview92
- Configuring Static MAC Forwarding92
- Figure 37 Static MAC Forwarding92
- Table 18 Static MAC Forwarding93
Chapter 10 Filtering94
- Overview94
- Configure a Filtering Rule94
- Figure 38 Filtering94
- Table 19 Filtering94
Chapter 11 Spanning Tree Protocol96
- Overview96
- STP Status97
Chapter 12 Bandwidth Control102
- Configuring102
- Figure 41 Bandwidth Control102
- Table 24 Bandwidth Control102
Chapter 13 Broadcast Storm Control104
- Overview104
- Broadcast Storm Control Setup104
- Figure 42 Broadcast Storm Control104
- Table 25 Broadcast Storm Control105
Chapter 14 Mirroring106
- Overview106
- Port Mirroring Configuration106
- Figure 43 Mirroring106
- Table 26 Mirroring107
Chapter 15 Link Aggregation108
- Overview108
  - Dynamic Link Aggregation108
  - Link Aggregation ID109
- Link Aggregation Status109
- Figure 44 Link Aggregation Control Protocol Status109
- Table 27 Link Aggregation ID: Local Switch109
- Table 28 Link Aggregation ID: Peer Switch109
- Link Aggregation Setup110
- Table 29 Link Aggregation Control Protocol: Status110
- Figure 45 Link Aggregation Control Protocol: Configuration111
- Table 30 Link Aggregation Control Protocol: Configuration111
Chapter 16 Port Authentication114
- Overview114
  - Radius114
- Configuring Port Authentication114
Chapter 17 Port Security118
- Overview118
- Port Security Setup118
- Figure 50 Port Security118
- Table 33 Port Security119
Chapter 18 Classifier120
- Overview120
- Configuring the Classifier120
- Figure 51 Classifier121
- Table 34 Classifier121
- Viewing and Editing Classifier Configuration123
- Figure 52 Classifier: Summary Table123
- Table 35 Classifier: Summary Table123
- Table 36 Common Ethernet Types and Protocol Number123
- Classifier Example124
- Table 37 Common IP Ports124
- Figure 53 Classifier: Example125
Chapter 19 Policy Rule126
- Overview126
  - Diffserv126
  - DSCP and Per-Hop Behavior126
- Configuring Policy Rules126
- Figure 54 Policy127
- Table 38 Policy128
- Viewing and Editing Policy Configuration129
- Figure 55 Policy: Summary Table129
- Table 39 Policy: Summary Table129
- Policy Example130
- Figure 56 Policy Example131
- Queuing Method132
  - Overview132
Chapter 20 Queuing Method132
- Weighted Round Robin Scheduling (WRR)133
- Configuring Queuing133
- Table 41 Queuing Method135
Chapter 21 VLAN Stacking136
- Introduction136
  - VLAN Stacking Example136
- VLAN Stacking Port Roles137
- VLAN Tag Format137
- Configuring VLAN Stacking139
- Table 45 VLAN Stacking139
Chapter 22 Static Route142
- Configuring142
- Figure 60 Static Routing142
- Table 46 Static Routing142
Chapter 23 RIP144
- Overview144
- Configuring144
- Figure 61 RIP144
- Table 47 RIP144
Chapter 24 OSPF146
- Overview146
- OSPF Status148
- Figure 63 OSPF Status148
- Table 50 OSPF Status148
- Enabling OSPF and General Settings149
- Table 51 OSPF Status: Common Output Fields149
- Figure 64 OSPF Configuration: Activating and General Settings150
- Table 52 OSPF Configuration: Activating and General Settings150
- Configuring OSPF Areas151
- Configuring OSPF Interfaces153
- Figure 67 OSPF Interface153
- Table 55 OSPF Interface153
- OSPF Virtual Links154
- Figure 68 OSPF Virtual Link154
- Table 56 OSPF Virtual Link154
Chapter 25 IGMP156
- Overview156
- Configuring156
- Figure 69 IGMP156
- Table 57 IGMP157
Chapter 26 DVMRP158
- Overview158
- How DVMRP Works158
  - Table 58 DVMRP158
  - DVMRP Terminology159
- Configuring DVMRP159
- Default DVMRP Timer Values161
- Figure 74 DVMRP: Duplicate VID Error Message161
- Table 59 DVMRP: Default Timer Values161
Chapter 27 IP Multicast162
- Overview162
- Configuring162
- Figure 75 IP Multicast162
- Table 60 IP Multicast163
- Differentiated Services164
  - Overview164
Chapter 28 Differentiated Services164
- Activating Diffserv165
- Figure 77 Diffserv Network Example165
- Figure 78 Diffserv165
- Table 61 Diffserv165
- DSCP-To-Ieee802.1P Priority Mapping166
Chapter 29 DHCP168
- Overview168
  - DHCP Modes168
- DHCP Server Status168
- Configuring DHCP Server169
- Configuring DHCP Relay171
Chapter 30 VRRP174
- Overview174
- Figure 87 VRRP: Example 1174
- Viewing VRRP Status175
- Figure 88 VRRP Status175
- Table 67 VRRP Status175
- Configuring VRRP176
- VRRP Configuration Summary179
- VRRP Configuration Examples179
Chapter 31 Maintenance184
- The Maintenance Screen184
- Firmware Upgrade184
- Figure 102 Maintenance184
- Figure 103 Firmware Upgrade184
- Restore a Configuration File185
- Backing up a Configuration File185
- Figure 104 Restore Configuration185
- Figure 105 Backup Configuration185
- Load Factory Defaults186
- Reboot System186
- Figure 106 Load Factory Default: Conformation186
- Figure 107 Load Factory Default: Start186
- Figure 108 Reboot System: Confirmation186
- FTP Command Line187
Chapter 32 Access Control190
- Overview190
- The Access Control Main Screen190
- Figure 110 Console Port Priority190
- Figure 111 Access Control190
- Table 72 Access Control Summary190
- About SNMP191
  - Figure 112 SNMP Management Model191
  - SNMP Traps192
  - Supported Mibs192
  - Table 73 SNMP Commands192
  - Table 74 SNMP Traps192
  - Configuring SNMP193
  - Figure 113 Access Control: SNMP193
  - Setting up Login Accounts193
  - Table 75 Access Control: SNMP193
- SSH Overview194
- Figure 114 Access Control: Logins194
- Table 76 Access Control: Logins194
- How SSH Works195
- Figure 115 SSH Communication Example195
- Figure 116 How SSH Works195
- SSH Implementation on the Switch196
  - Requirements for Using SSH196
- Introduction to HTTPS196
- HTTPS Example197
  - Internet Explorer Warning Messages197
  - Figure 117 HTTPS Implementation197
  - Netscape Navigator Warning Messages198
  - Figure 118 Security Alert Dialog Box (Internet Explorer)198
  - Figure 119 Security Certificate 1 (Netscape)198
  - The Main Screen199
  - Figure 120 Security Certificate 2 (Netscape)199
  - Figure 121 Login Screen (Internet Explorer)200
  - Figure 122 Login Screen (Netscape)200
- Service Port Access Control201
- Remote Management201
- Figure 123 Access Control: Service Access Control201
- Table 77 Access Control: Service Access Control201
- Figure 124 Access Control: Remote Management202
- Table 78 Access Control: Remote Management202
Chapter 33 Diagnostic204
- Diagnostic204
- Table 79 Diagnostic204
Chapter 34 Cluster Management206
- Overview206
- Figure 126 Clustering Application Example206
- Table 80 Zyxel Clustering Management Specifications206
- Cluster Management Status207
- Configuring Cluster Management209
- Figure 129 Example: Uploading Firmware to a Cluster Member Switch209
- Table 82 FTP Upload to Cluster Member Example209
- Figure 130 Clustering Management Configuration210
- Table 83 Clustering Management Configuration210
Chapter 35 MAC Table212
- Overview212
- Figure 131 MAC Table Flowchart212
- Viewing the MAC Table213
- Figure 132 MAC Table213
- Table 84 MAC Table213
Chapter 36 IP Table214
- Overview214
- Figure 133 IP Table Flowchart214
- Viewing the IP Table215
- Figure 134 IP Table215
- Table 85 IP Table215
Chapter 37 ARP Table216
- Overview216
  - How ARP Works216
- Viewing the ARP Table216
- Figure 135 ARP Table217
- Table 86 ARP Table217
Chapter 38 Routing Table218
- Overview218
- Viewing the Routing Table218
- Figure 136 Routing Table Status218
- Table 87 Routing Table Status218
Chapter 39 Introducing the Commands220
- Overview220
  - Switch Configuration File220
- Accessing the CLI220
- The Login Screen222
- Command Syntax Conventions222
- Figure 138 CLI: Login Screen222
- Getting Help223
- Command Modes224
- Figure 140 CLI Help: List of Commands: Example 2224
- Figure 141 CLI Help: Detailed Command Information: Example 1224
- Figure 142 CLI: Help: Detailed Command Information: Example 2224
- Using Command History225
- Saving Your Configuration225
- Command Summary226
Chapter 40 Command Examples248
- Overview248
- Show Commands248
- Ping252
- Figure 150 Show Mac Address-Table Command Example252
- Figure 151 Ping Command Example252
- Traceroute253
- Enabling RSTP253
- Figure 152 Traceroute Command Example253
- Configuration File Maintenance254
- No Command Examples256
- Interface Commands258
Chapter 41 IEEE 802.1Q Tagged VLAN Commands268
- IEEE 802.1Q Tagged VLAN Overview268
- VLAN Databases268
  - Static Entries (SVLAN Table)268
  - Dynamic Entries (DVLAN Table)269
- Configuring Tagged VLAN269
- Figure 179 Tagged VLAN Configuration and Activation Example269
- Global VLAN1Q Tagged VLAN Configuration Commands270
- Port VLAN Commands272
- Enable VLAN275
- Disable VLAN275
- Show VLAN Setting275
- Figure 188 no Vlan Command Example275
- Figure 189 Show Vlan Command Example276
Chapter 42 Troubleshooting278
- Problems Starting up the Switch278
- Problems Accessing the Switch278
- Problems with the Password286
- Figure 197 Java (Sun)286
- Table 96 Troubleshooting the Password286
Appendix A288
- Product Specifications288
- Table 97 General Product Specifications288
- Table 98 Management Specifications289
- Table 99 Physical and Environmental Specifications290
Appendix Bip Subnetting292
- Table 100 Classes of IP Addresses292
- Table 101 Allowed IP Address Range by Class293
- Table 102 "Natural" Masks293
- Subnet Masks293
- Table 103 Alternative Subnet Mask Notation294
- Table 104 Two Subnets Example294
- Table 105 Subnet 1295
- Table 106 Subnet 2295
- Table 107 Subnet 1296
- Table 108 Subnet 2296
- Table 109 Subnet 3296
- Table 110 Subnet 4297
- Table 111 Eight Subnets297
- Table 112 Class C Subnet Planning297
- Example Eight Subnets297
- Table 113 Class B Subnet Planning298
- Subnetting with Class a and Class B Networks298
- Index300
- Figure 125 Diagnostic301

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