ZyXEL Communications NXC5500

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Chapter 12 NAT

NXC Series User’s Guide

195

the source would not match the original destination address which would cause the LAN user’s

computer to shut down the session.

Figure 105 LAN to LAN Return Traffic

192.168.1.21

LAN

192.168.1.89

Source 1.1.1.1

SMTP

NAT

Source 192.168.1.21

SMTP

Main Page

Document Conventions3
- Table of Contents4
Contents Overview4
Table of Contents6
User's Guide18
Part I: User's Guide18
Chapter 1 Introduction19
- Introduction19
- Overview19
- Zones, Interfaces, and Physical Ports19
- Interface and Zone Configuration20
- Interface Types20
- AP Management21
- Applications21
- Captive Portal21
- Wireless Security21
- Dynamic Channel Selection22
- Load Balancing22
- User-Aware Access Control22
- Management Overview23
- Object-Based Configuration23
- Starting and Stopping the NXC24
Chapter 2 Hardware Installation and Connection25
- Overview25
- Desktop Installation Procedure25
- Rack-Mounted Installation26
- Rack-Mounted Installation Procedure26
- Wall-Mounting27
- Front Panel28
- Nxc250028
- Nxc550028
- Front Panel Leds30
- Rear Panel31
Chapter 3 The Web Configurator33
- Access33
- Overview33
- The Main Screen34
- Title Bar35
- Navigation Panel38
- Tables and Lists43
- Warning Messages43
- Accessing the Wizard47
Chapter 4 Setup Wizard47
- Setup Wizard47
- Step 1 Password and Time Settings47
- Using the Wizard47
- Step 2 Uplink Connection and Management VLAN48
- Step 3 VLAN Settings49
- Step 4 SSID52
- Step 5 Radio54
- Summary55
Technical Reference57
Part II: Technical Reference57
- Dashboard58
- Overview58
- What You Can Do in this Chapter58
- Dashboard59
- CPU Usage63
- Memory Usage63
- DHCP Table64
- Session Usage64
- AP Status66
- Number of Login Users66
- Station Traffic68
- Monitor69
Chapter 5 Dashboard58
Chapter 6 Monitor69
Chapter 7 Registration116
Chapter 8 Wireless119
Chapter 9 Interfaces147
- Interface Overview147
- What You Can Do in this Chapter147
- What You Need to Know147
- Ethernet Summary148
- Edit Ethernet149
- Add Dhcpv6 Request Options156
- Object References156
- Add/Edit DHCP Extended Options157
- VLAN Interfaces159
- VLAN Summary160
- Add/Edit VLAN161
- Lag167
- LAG Summary Screen167
- LAG Add/Edit168
- Technical Reference174
- Overview119
- What You Can Do in this Chapter119
- What You Need to Know119
- AP Management120
- Controller120
- Mgmt. AP List121
- AP Policy130
- AP Group131
- Firmware138
- Rogue AP140
- Add/Edit Rogue/Friendly List142
- Auto Healing142
- Dynamic Channel Selection143
- Technical Reference143
- Load Balancing144
- Disassociating and Delaying Connections145
- Interfaces147
- Overview69
- What You Can Do in this Chapter69
- What You Need to Know70
- Port Statistics71
- Port Statistics Graph72
- Interface Status73
- Traffic Statistics75
- Session Monitor78
- IP/MAC Binding Monitor80
- Login Users81
- Dynamic Guest82
- Trusted MAC Address List83
- USB Storage84
- Ethernet Neighbor85
- AP List86
- Station Count of AP90
- Edit AP List92
- Radio List102
- AP Mode Radio Information103
- Zymesh Link Info105
- SSID Info106
- Station List107
- Detected Device109
- View Log111
- View AP Log113
- Overview116
- Registration116
- What You Can Do in this Chapter116
- What You Need to Know116
- Registration117
- Service117
- Wireless119
Chapter 10 Policy and Static Routes177
- Overview177
Chapter 11 Zones186
- Overview186
- What You Can Do in this Chapter186
- What You Need to Know186
- Zones186
- Add/Edit Zone187
- Zone187
Chapter 12 NAT189
- Nat189
- Before You Begin196
Chapter 13 ALG196
Chapter 14 IP/MAC Binding198
- Captive Portal Type203
Chapter 15 Captive Portal203
Chapter 16 RTLS227
Chapter 17 Firewall230
Chapter 18 User/Group238
- Overview238
- What You Can Do in this Chapter238
- What You Need to Know238
- User Summary240
- Add/Edit User241
- Group Summary244
- Add/Edit Group245
- Setting246
- Edit User Authentication Timeout Settings250
- Add/Edit Dynamic Guest Group251
- User Aware Login Example251
- Guest Manager Login Example252
- MAC Address255
- Add/Edit MAC Address256
- AP Profile257
Chapter 19 AP Profile257
- Overview257
- What You Can Do in this Chapter257
- What You Need to Know257
- Radio258
- Add/Edit Radio Profile259
- Ssid265
- SSID List265
- Security List270
- MAC Filter List275
- Layer-2 Isolation List277
Chapter 20 MON Profile279
Chapter 21 Zymesh Profile284
- Address Summary288
Chapter 22 Addresses288
- MON Profile279
- Overview279
- What You Can Do in this Chapter279
- What You Need to Know279
- Add/Edit MON Profile280
- Technical Reference282
- Overview284
- Zymesh Profile284
- What You Can Do in this Chapter285
- Zymesh Profile285
- Add/Edit Zymesh Profile287
- Addresses288
- Overview288
- What You Can Do in this Chapter288
- What You Need to Know288
- Add/Edit Address289
- Address Group Summary290
- Add/Edit Address Group Rule291
Chapter 23 Services293
Chapter 24 Schedules298
Chapter 25 AAA Server302
- Overview302
- What You Can Do in this Chapter302
- What You Need to Know302
- Active Directory / LDAP305
- Add/Edit Active Directory / LDAP Server306
- Add/Edit RADIUS309
- Radius309
- Overview293
- Services293
- What You Can Do in this Chapter293
- What You Need to Know293
- Service Summary294
- Add/Edit Service Rule295
- Add/Edit Service Group Rule296
- Service Group Summary296
- Overview298
- Schedule Summary298
- Schedules298
- What You Can Do in this Chapter298
- What You Need to Know298
- Add/Edit Schedule One-Time Rule300
- Add/Edit Schedule Recurring Rule301
- AAA Server302
Chapter 26 Authentication Method313
- Before You Begin313
- Overview313
- What You Can Do in this Chapter313
- Add Authentication Method314
- Certificates316
Chapter 27 Certificates316
- Overview316
- What You Can Do in this Chapter316
- What You Need to Know316
- Verifying a Certificate318
- My Certificates319
- Adding My Certificates320
- Editing My Certificates322
- Importing Certificates324
- Trusted Certificates325
- Editing Trusted Certificates327
- Importing Trusted Certificates329
- Technical Reference330
Chapter 28 Dhcpv6331
Chapter 29 System333
Chapter 30 Log and Report375
- Email Daily Report375
- Overview375
- What You Can Do in this Chapter375
- Log Settings377
- Log Settings Summary378
- Editing System Log Settings380
- Editing USB Storage Log Settings383
- Editing Remote Server Log Settings384
- Log Category Settings386
- Dhcpv6331
- Dhcpv6 Request331
- Overview331
- What You Can Do in this Chapter331
- Add/Edit Dhcpv6 Request Object332
- Host Name333
- Overview333
- System333
- What You Can Do in this Chapter333
- USB Storage334
- Date and Time335
- Pre-Defined NTP Time Servers List338
- Time Server Synchronization338
- Console Speed339
- Configuring the DNS Screen340
- DNS Overview340
- DNS Server Address Assignment340
- Adding an Address/Ptr Record342
- Address Record342
- PTR Record342
- Add Domain Zone Forwarder343
- Domain Zone Forwarder343
- Add MX Record344
- MX Record344
- Add Service Control345
- WWW Overview345
- Https346
- Service Access Limitations346
- System Timeout346
- Configuring WWW Service Control347
- Service Control Rules350
- HTTPS Example351
- Mozilla Firefox Warning Messages352
- Google Chrome Warning Messages353
- Ssh360
- How SSH Works361
- Configuring SSH362
- Requirements for Using SSH362
- SSH Implementation on the NXC362
- Examples of Secure Telnet Using SSH363
- Telnet364
- Ftp366
- Snmp367
- SNMP Traps368
- Supported Mibs368
- Configuring SNMP369
- Adding or Editing an Snmpv3 User Profile370
- Authentication Server371
- Add/Edit Trusted Client372
- Language373
- Ipv6374
- Log and Report375
- File Manager390
Chapter 31 File Manager390
Chapter 32 Diagnostics401
Chapter 33 Packet Flow Explore418
Chapter 34 Reboot424
Chapter 35 Shutdown425
Part III: Appendices and Troubleshooting426
- Overview424
- What You Need to Know424
- Shutdown425
- Overview418
- The Routing Status Screen418
- What You Can Do in this Chapter418
- The SNAT Status Screen421
- Reboot424
- Overview401
- What You Can Do in this Chapter401
- Diagnostics - AP Configuration402
- Diagnostics Files404
- Packet Capture405
- Packet Capture on AP408
- Packet Capture Files411
- Example of Viewing a Packet Capture File412
- Core Dump413
- Core Dump Files413
- System Log414
- Wireless Frame Capture415
- Wireless Frame Capture Files417
- Packet Flow Explore418
- Overview390
- What You Can Do in this Chapter390
- What You Need to Know390
- Configuration File392
- Firmware Package396
- Shell Script398
- Diagnostics401
Chapter 36 Troubleshooting427
- General427
- Overview427
- Wireless432
- Resetting the NXC434
- Getting more Troubleshooting Help435
Appendix A Log Descriptions436
Appendix B Common Services463
Appendix C Importing Certificates466
Appendix D Wireless Lans490
Appendix E Ipv6502
Appendix F Customer Support510
- Overview425
- What You Need to Know425

ZyXEL Communications NXC5500 - Page 195

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