ZyXEL ES-1552 Manuale Utente Scaricare il pdf (Pagina 144)

Chapter 21 Troubleshooting

ES-1552 User’s Guide

144

Figure 92 Security Settings - Java Scripting

21.2.1.3 Java Permissions

1 From Internet Explorer, click Tools, Internet Options and then the Security tab.

2 Click the Custom Level... button.

3 Scroll down to Microsoft VM.

4 Under Java permissions make sure that a safety level is selected.

5 Click OK to close the window.

Figure 93 Security Settings - Java

1 2 ... 139 140 141 142 143 144 145 146 147 148 149 ... 171 172

User’s Guide 1
About This User's Guide 3
Document Conventions 4
Icons Used in Figures 5
Safety Warnings 6
Safety Warnings 7
Contents Overview 10
ES-1552 User’s Guide 10
Table of Contents 11
List of Figures 17
List of Tables 21
Introduction and 25
Hardware Overview 25
CHAPTER 1 27
1.1.2 Bridging Example 28
CHAPTER 2 31
CHAPTER 3 35
3.1.2 Mini-GBIC Slots 36
3.2 The RESET Button 37
3.3 Rear Panel 38
3.4 LEDs 38
Chapter 3 Hardware Overview 39
Table 2 LEDs (continued) 39
Chapter 3 Hardware Overview 40
Basic & Advanced 41
Settings 41
CHAPTER 4 43
4.3 The Status Screen 44
4.3.1 The LED Panel 45
4.3.2 The Navigation Panel 45
4.5 Switch Lockout 47
4.6 Resetting the Switch 47
4.8 Help 48
CHAPTER 5 49
5.1.1 Configure IP Address 50
5.1.3 Backup Settings 51
5.1.4 Restore Settings 51
5.3 Firmware Upgrade 52
Chapter 5 System 53
Chapter 5 System 54
CHAPTER 6 55
6.2 Port Configuration 56
Chapter 6 Port Settings 57
Chapter 6 Port Settings 58
CHAPTER 7 59
7.3 Port Statistics 60
CHAPTER 8 63
8.2 Static VLAN 64
Chapter 8 VLAN 65
Table 13 VLAN: Create VLAN 65
Chapter 8 VLAN 66
Figure 33 VLAN: Edit VLAN 66
Table 14 VLAN: Edit VLAN 66
CHAPTER 9 67
Chapter 9 Trunking 68
Figure 34 Trunk Setting 68
CHAPTER 10 69
Chapter 10 Mirroring 70
CHAPTER 11 71
11.2 QoS Enhancement 72
11.3 Configuring QoS 72
Chapter 11 QoS 73
Table 17 QoS Setting 73
11.4 Advanced QoS Settings 74
11.4.2 DSCP Based QoS 75
11.4.4 DSCP Based QoS Screen 75
11.4.5 ToS Based QoS 76
11.4.6 IP Address Based QoS 77
CHAPTER 12 79
12.1.1 Rate Limit Screen 80
CHAPTER 13 83
CHAPTER 14 87
Chapter 14 Cable Diagnostics 88
CHAPTER 15 89
CHAPTER 16 93
Chapter 16 Auto VoIP 94
PART III 95
CHAPTER 17 97
17.3 Logging: Add Server 98
Figure 54 Logs: RAM/Flash 99
Chapter 17 Event Logging 100
Chapter 17 Event Logging 101
17.5.1 Search Results 102
CHAPTER 18 105
18.1.1 Supported MIBs 106
18.1.2 SNMP Traps 106
18.2 SNMP Group 107
18.2.1 SNMP Group: Create 108
18.2.2 SNMP Group: Modify 109
18.3 SNMP User 110
18.3.2 SNMP User: Modify 111
18.4 SNMP Community 112
Chapter 18 SNMP 113
18.5 SNMP Notification 114
18.6 SNMP Trap Station 115
Chapter 18 SNMP 116
Table 51 SNMP Trap Station 116
CHAPTER 19 119
Chapter 19 RMON-Lite 120
Chapter 19 RMON-Lite 121
19.4 RMON-Lite History MIB 122
19.5 RMON Alarm: Overview 127
19.6 RMON Event: Overview 129
Alarm screens 131
CHAPTER 20 135
ARP table entries 136
Chapter 20 Dynamic ARP 137
Table 67 ARP Table 137
Chapter 20 Dynamic ARP 138
Table 68 ARP Table 138
CHAPTER 21 139
Chapter 21 Troubleshooting 140
Figure 87 Pop-up Blocker 140
Chapter 21 Troubleshooting 141
Figure 88 Internet Options 141
Figure 89 Internet Options 142
Figure 91 Internet Options 143
21.2.1.3.1 JAVA (Sun) 145
Appendices and 147
APPENDIX A 149
Table 71 Firmware Features 150
APPENDIX B 153
Subnet Masks 154
Notation 155
Subnetting 156
Example: Four Subnets 157
Example: Eight Subnets 158
Subnet Planning 159
Configuring IP Addresses 160
APPENDIX C 161
ZyXEL Limited Warranty 162
Appendix C Legal Information 163
Appendix C Legal Information 164
APPENDIX D 165
Appendix D Customer Support 166
Appendix D Customer Support 167

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ZyXEL ES-1552 Manuale Utente Pagina 144

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