Digi PortServer II

Digi PortServer II

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Page 256 Index 90030500B

UUCP 138

V

Van Jacobsen TCP compression 110

,

116

W

wan 112

,

119

WAN Connection

Incoming, verifying 112

outgoing, verifying 119

WAN Connections

bidirectional 119

incoming 108

Outgoing 113

WAN connections 106

Warning Trace Messages 223

warrantee information 242

World Wide Web server 240

Table of Contents

Default Chapter5
- Table of Contents5
About this User's Guide17
- Where Do I Look for more Information17
- Which Chapters Should I Read18
- Document Conventions19
- Other Portserver II Documentation19
Chapter 1 Introduction21
- When Should I Read this Chapter21
- In this Chapter21
- Features and Functions22
- Basic Operation25
- Configuration of Serial Ports25
- Terminals and Users25
- Printers25
- Modems and Dial-Up Links26
- Ppp26
- SLIP and CSLIP27
- Filters and Scripts27
- Radius27
- Frame Relay27
- Snmp28
- Realport Protocol28
- Authentication and Security28
- Ethernet Connection and Dynamic IP Addressing29
- Statistics and Logging29
- Remote Configuration29
- Expanding Portserver II with Additional Ports30
- Description of Portserver II Hardware30
- Typical Applications31
- Terminal Server Configuration - Local Devices and Realport31
- Terminal Server Configuration - Remote Devices and Realport32
- Terminal Server Configuration - Multiple Remote Devices at Several Locations33
- TIP - Leased Lines34
- Communications Server Configuration - Remote Dial-In Users at Several Locations35
- Communications Server Configuration - Dial-Out Access to the Internet36
- Specifications37
- Network Compatibility37
- Ports37
- Power Requirements37
- Environment Requirements37
- Dimensions37
- Limits38
Chapter 2 Operation39
- When Should I Read this Chapter39
- In this Chapter39
- Portserver II Front Panel40
- LED Indicators40
- Alphanumeric Display40
- Pushbuttons41
- Interpreting the LED Indicators42
- Serial Port Status42
- Ethernet Activity43
- Portserver II Side and Rear Panels45
- Side Panel45
- Power On/Off Switch and Socket45
- EBI out Connector45
- Thinnet Connector, Twisted Pair Connector46
- Rear Panel46
Chapter 3 Installation47
- When Should I Read this Chapter47
- In this Chapter47
- Before You Begin48
- Surveying the Installation Site48
- Interference Limitation48
- Recommended Maximum Distance Limitations50
- Ethernet50
- EIA RS-232 Serial Ports50
- Inspecting Portserver II51
- Tools and Equipment Required51
- Site Preparation52
- Site Environment52
- Safe Installation Practices53
- Installing and Connecting Portserver II54
- General Procedure54
- Connecting Portserver II to the Ethernet LAN54
- Connecting Portserver II to Serial Devices55
- General55
- Ten Pin RJ-4556
- Eight Pin RJ-4557
- Six Pin RJ-1158
- Four Pin RJ-1159
- Connecting the Configuration Terminal60
- Connecting to Terminals and Pcs61
- Connecting to Modems63
- Altpin64
- Connecting to Printers65
- Connecting to Frame Relay67
- Wiring Ports for Specific Devices68
- Dev=Host (Computer or Other Devices)68
- Dev=Hdial69
- Dev=Hio69
- Dev=Term (Terminals)69
- Dev=Prn (Printers)70
- Dev=Min (Modem In)70
- Dev=Mout (Modem Out)70
- Dev=Mio (Modem in & Out)71
- Connecting to the External Bus Interface72
Chapter 4 Basic Configuration75
- When Should I Read this Chapter75
- In this Chapter75
- Entering Configuration Commands76
- Abbreviations76
- Editing Keystrokes77
- Specifying the Range of Set Configuration Commands78
- Saving Configuration Changes to Flash ROM79
- On-Line Help80
- Help Menu80
- Command-Specific Help80
- Logging on to Portserver II81
- Configuring the Ethernet Connection82
- Configuring Portserver II over the Ethernet84
- Running RARP on the Server84
- Testing the Network Connection85
- Portserver II TCP/IP Port Numbers86
- Configuring a User87
- Creating a New User87
- Using the IP Pool94
- Creating a Pool94
- Assigning a Device to Use an Address from the IP Pool94
- Configuring a User for Manual or Automatic Login and Connection to a Host95
- Configuring a User for Manual Login95
- Configuring a New User for Automatic Login and Connection97
- Providing a Navigation Menu for each User98
- Removing a User99
- Changing a User's Name99
- Users Logging on to Portserver II100
- Using Configuration Commands101
Chapter 5 Configuring Terminals103
- When Should I Read this Chapter103
- In this Chapter103
- Setting up a Terminal104
Chapter 6 Configuring Security107
- When Should I Read this Chapter107
- In this Chapter107
- Levels of Security108
- Root Login109
- Regular User Login110
- Regular User Login with Password Authentication110
- Regular User Login Without Password111
- Autoconnect User Login112
- Auto-Connection of any User on One or more Ports112
- Auto Connection of a User with Password Protection113
- Auto Connection of a User Without a Password113
- Autoconnect Port114
Chapter 7 Configuring Multiple Sessions and Multiple Screens115
- When Should I Read this Chapter115
- In this Chapter115
- General116
- Multiple Sessions116
- Configuring Multiple Sessions116
- Starting Multiple Sessions117
- Controlling Multiple Sessions117
- Telnet Sessions117
- Rlogin Session118
- Switching to Another Session118
- Closing a Session119
- An Example of Multiple Telnet Sessions120
- Multiple Screens123
- Configuring Terminals for Multiple Screens123
- How to Use Multiple Screen Sessions123
Chapter 8 Configuring WAN Connections125
- When Should I Read this Chapter125
- In this Chapter125
- WAN Connections Explained126
- Incoming WAN Connections128
- How Incoming Connections Are Established128
- Configuring Incoming Connections128
- Verifying the Incoming Connection132
- Outgoing WAN Connections133
- How Outgoing Connections Are Established133
- How Ports Are Used134
- Configuring Outgoing Connections134
- Verifying the Outgoing Connection139
- Bidirectional WAN Connections139
- Filters140
- General140
- Creating a Filter140
- Syntax for Filter Stanzas140
- Configuring Actions that will Not be Taken140
- Applying Actions to Source or Destination141
- Applying Actions to Inbound or Outbound Packets141
- Applying Actions to Specific Types of Packet141
- Examples of Filters that Perform Common Functions142
- Building a Firewall with Passpacket Filters142
- A Filter that will Block All Except Specific Ftp Packets142
- A Filter that will Bring up a Connection When It Detects IP Packets142
- A Filter that will Bring up a Connection When It Detects any IP Packet Except DNS143
- Tracing Messages143
Chapter 9 Configuring Modem Connections145
- When Should I Read this Chapter145
- In this Chapter145
- About Modem Connections146
- Configuring Your Modem146
- Configuring the Modem Connection147
- Dialer and Login Scripts149
- Creating or Editing a Script149
- Script Commands150
- State Parameters151
- Escape Commands152
- Running a Script153
- Examples of Scripts that Perform Specific Functions153
- A Login Script153
- A Script that Tries Alternate Numbers154
- A Script that Tries the same Number Multiple Times154
- A Script to Initialize a Hayes-Compatible Modem155
- A Script to Test a Specific Modem155
- Modem Pools156
- Telnet and Modems157
- Configuring CU and UUCP to Dial out158
- Description of Operation159
- Configuring Your System159
- RTTY Program161
Chapter 10 Configuring TCP/IP Routing163
- When Should I Read this Chapter163
- In this Chapter163
- Types of Routing Available164
- Description of Passive Routing165
- Description of Active Routing165
- Passive Routing166
- Active Routing167
Chapter 11 Configuring Realport Connections169
- When Should I Read this Chapter169
- In this Chapter169
- Realport Basics170
- Configuring Portserver II for Realport Operation171
Chapter 12 Configuring SNMP173
- When Should I Read this Chapter173
- In this Chapter173
- General174
- Configuring the SNMP Agent175
- Monitoring SNMP Status on Portserver II176
- Supported SMNP Variables177
Chapter 13 Configuring Printer Connections181
- When Should I Read this Chapter181
- In this Chapter181
- General182
- Configuring a Printer Connection182
- Printing a File Using Telnet or Rsh184
- Using Telnet184
- Using Rsh184
- Troubleshooting184
- Printing Using Lpd Protocol185
- Configuring the Printer185
- Queue Name Examples186
Chapter 14 Configuring Frame Relay187
- When Should I Read this Chapter187
- In this Chapter187
- What Is Frame Relay188
- Specifying Frame Relay189
- Designing a Network to Use with Frame Relay190
- Configuring a Frame Relay Port192
Chapter 15 Configuring RADIUS195
- When Should I Read this Chapter195
- In this Chapter195
- How Does RADIUS Work196
- Configuring RADIUS197
- Configuring RADIUS on a Server198
Chapter 16 Remote Configuration199
- When Should I Read this Chapter199
- In this Chapter199
- When Should I Use Remote Configuration200
- Upgrading Portserver II Software200
- Editing Portserver II's Configuration from a Remote Host202
- Copying a Portserver II Configuration File to a Host202
- Editing the Configuration File203
- Restoring a Portserver II Configuration File from a Host204
- TFTP Error Messages on Portserver II205
Chapter 17 Troubleshooting207
- When Should I Read this Chapter207
- In this Chapter207
- Power on Self Test208
- Interpreting the Alphanumeric Display209
- User Diagnostics210
- Terminal Diagnostics210
- Front Panel Display Diagnostics212
- Basic Test Descriptions212
- Test 1 - Panel Light Test212
- Test 2 - Memory Test212
- Test 3 - Timer Test213
- Test 4 - Built-In UART and External EBI Internal Loopback Test213
- Test 5 - Built-In UART and External EBI External Loopback Test213
- Test 6 - Test Ethernet Internal Loopback213
- Test 7 - Test Ethernet External Loopback213
- Test 8 - Test Flash ROM213
- Test 9 - Watchdog Timer Test213
- Resetting Portserver II to Factory Defaults214
- Statistics215
- Viewing Statistics215
- Clearing Statistics215
- Interpretation of Statistics216
- IP Statistics216
- ICPM Statistics218
- TCP Statistics220
- UDP Statistics221
- Interface Statistics222
- Frame Statistics223
- Frame Relay Statistics224
- Hardware Error Counts229
- Trace Messages230
- Enabling Trace Messages230
- Explanation of Trace Messages231
- Critical Trace Messages231
- Non-Specific Trace Message231
- ARP Messages232
- Serial Messages232
- DNS Messages233
- Ethernet Messages233
- Frame Relay Messages233
- IP Messages234
- Netcx Messages235
- NETD Messages236
- INETD Messages237
- PPP Messages238
- Routed Messages239
- TCP Messages239
- WAN Messages239
- Dialer Messages242
- Warning Trace Messages243
- ARP Messages243
- DNS Messages243
- Frame Relay Messages243
- Telnet Messages244
- IP Messages244
- Forwarder Messages246
- Routed Messages246
- Netcx Messages247
- NETD Messages248
- INETD Messages248
- Serial Messages248
- User Messages248
- RADIUS Messages250
- PPP Messages251
- VJ (Van Jacobsen) Messages252
- Wan Messages253
- Dialer Messages254
- Tracing the Route to a Host255
- Examples of Printout Generated by the Traceroute Command256
- Troubleshooting Frame Relay257
Chapter 18 Digi Support Services259
- When Should I Read this Chapter259
- In this Chapter259
- Web Server: Access to Digi Information260
- Purpose260
- Url260
- Internet FTP Server: Access to Digi Drivers260
- Address260
- Tips on Using the FTP Server260
- Digi BBS: Access to Drivers and Information261
- Purpose261
- Modem Support261
- Telephone Numbers261
- Faxback Server: Information by Fax261
- How to Use the Faxback Server261
- Customer Service262
- Purpose262
- How to Reach Customer Service262
- Return Procedures262
- Warranty Information262
- Return Procedure262
- Technical Support263
- Introduction263
- Support Process263
- When You Call Technical Support263
- How to Contact Digi Technical Support263
Glossary265
Index271

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