Cabletron Systems Cabletron CyberSWITCH CSX5500 User manual

CENTRAL SITE
REMOTE ACCESS SWITCH
USER’SGUIDE
Release 7.4
Cabletron Systems
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USER’S GUIDE
2 CyberSWITCH
NOTICE
You may post this document on a network server for public use as long as no
modifications are made to the document.
Cabletron Systems reserves the right to make changes in specifications and other
information contained in this document without prior notice. The reader should in
all cases consult Cabletron Systems to determine whether any such changes have
been made.
The hardware, firmware, or software described in this manual is subject to change
without notice.
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY
INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES
WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING
OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION
CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF,
KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH
DAMAGES.
©Copyright 1999 by Cabletron Systems, Inc. All rights reserved.
Cabletron Systems, Inc.
P.O. Box 5005
Rochester, NH 03866-5005
Order Number: 9032186-04
VIRUS DISCLAIMER
Cabletron Systems has tested its software with current virus checking
technologies. However, because no anti-virus system is 100% reliable, we strongly
caution you to write protect and then verify that the Licensed Software, prior to
installing it, is virus-free with an anti-virus system in which you have confidence.
Cabletron Systems makes no representations or warranties to the effect that the
Licensed Software is virus-free.
Copyright © July 1997, by Cabletron Systems, Inc. All rights reserved.
Only qualified personnel should perform installation
procedures.
!
CAUTION

Central Site Remote Access Switch 3
TRADEMARKS
Cabletron Systems, CyberSWITCH, MMAC-Plus, SmartSWITCH, SPECTRUM,
and SecureFast Virtual Remote Access Manager are trademarks of Cabletron
Systems, Inc.
All other product names mentioned in this manual are trademarks or registered
trademarks of their respective companies.
COPYRIGHTS
All of the code for this product is copyrighted by Cabletron Systems, Inc.
© Copyright 1991-1997 Cabletron Systems, Inc. All rights reserved. Printed in the
United States of America.
Portionsofthecodeforthisproductarecopyrighted bythefollowingcorporations:
Epilogue Technology Corporation
Copyright 1991-1993 by Epilogue Technology Corporation. All rights reserved.
Livingston Enterprises, Inc.
Copyright 1992 Livingston Enterprises, Inc.
Security Dynamics Technologies Inc.
Copyright 1995 by Security Dynamics Technologies Inc. All rights reserved.
Stac Electronics
Stac Electronics 1993, including one or more U.S. Patents No. 4701745, 5016009,
5126739 and 5146221 and other pending patents.
Telenetworks
Copyright 1991, 92, 93 by Telenetworks. All rights reserved.
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment uses,
generates, and can radiate radio frequency energy and if not installed in
accordance with the operator’s manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause
interference in which case the user will be required to correct the interference at his
own expense.

USER’S GUIDE
4 CyberSWITCH
WARNING: Changes or modifications made to this device which are not expressly
approved by the party responsible for compliance could void the user’s authority
to operate the equipment.
DOC NOTICE
This digital apparatus does not exceed the Class A limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the
Canadian Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de la class A prescrites dans le
Règlement sur le brouillage radioélectrique édicté par le ministère des
Communications du Canada.
VCCI NOTICE
This is a Class 1 product based on the standard of the Voluntary Control Council
for Interference by Information Technology Equipment (VCCI). If this equipment
is used in a domestic environment, radio disturbance may arise. When such
trouble occurs, the user may be required to take corrective actions.
CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT
IMPORTANT: Before utilizing this product, carefully read this License Agreement.
This document is an agreement between you, the end user, and Cabletron Systems,
Inc. ("Cabletron") that sets forth your rights and obligations with respect to the
Cabletron software program (the "Program") contained in this package. The
Program may becontained infirmware, chips or other media.BY UTILIZING THE
ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME BOUND BY THE
TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND THE
LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO
NOT AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN
THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL
REFUND.

Central Site Remote Access Switch 5
CONTENTS
USING THIS GUIDE 25
Documentation Set 26
Guide Conventions 27
SYSTEM OVERVIEW 29
The CyberSWITCH 30
Unique System Features 31
Interoperability Overview 34
Interoperability Protocols 34
Interoperability Devices 35
Encryption Overview 36
Network Layer 36
Link Layer 36
Security Overview 37
Network Interface Overview 37
System Components 38
Remote ISDN Devices 39
Switches Supported 40
Hardware Overview 41
System Platforms 41
The CSX5500 42
Platform Description 42
Cleaning the CSX5500 Air Filter 43
Platform Characteristics 44
Caution for DC-Powered CSX5500s 45
The CSX6000 46
Platform Description 46
Cleaning the CSX6000 Air Filter 47
Platform Characteristics 47
Caution for DC-Powered CSX6000s 48
The CSX7000 49
Platform Description 49
Platform Characteristics 49
Caution for DC-Powered CSX7000s 50
The NE 2000-II (A Network Express Platform) 51
Platform Description 51
Platform Characteristics 52
The NE 4000 (A Network Express Platform) 53
Platform Description 53
Platform Characteristics 53
The NE 5000 Platform (A Network Express Platform) 55
Platform Description 55
Cleaning the NE 5000 Air Filter 56
Platform Characteristics 57

USER’S GUIDE
6 CyberSWITCH
System Adapters 58
Ethernet Adapters 58
Ethernet-2 Adapter 58
Ethernet-1 Adapter 58
Hardware Characteristics 59
LAN Connection 59
Basic Rate Adapters 59
BRI-4 Basic Rate Adapter 59
BRI-1 Basic Rate Adapter 60
BRI Connection 60
Primary Rate Adapters 61
The PRI-8 61
The PRI-23 61
The PRI-23/30 62
PRI-8, PRI-23, and PRI-23/30 Connection 63
Expander Adapter 63
Hardware Characteristics 63
V.35 Adapter 64
Hardware Characteristics 64
V.35 Connection 64
RS232 Adapter 65
Hardware Characteristics 66
RS232 Connection 66
Digital Modems 67
The DM-8 68
The DM-24 68
The DM-24+and DM-30+ 68
Encryption Adapter 69
Software Overview 70
System software 70
Administration software 70
System Files 71
Configuration Files 71
Operational Files 72
User Level Security Files 73
SYSTEM INSTALLATION 74
Ordering ISDN Service (US Only) 75
Overview 75
Ordering NI-1 Lines Using EZ-ISDN Codes 75
Ordering NI-1 Lines Using NI-1 ISDN Ordering Codes 75
Ordering BRI ISDN Lines using Provisioning Settings 75
Provisioning Settings for AT&T 5ESS Switches 76
AT&T 5ESS NI-1 Service 77
AT&T 5ESS Custom Point-to-Point Service 78
Provision Settings for Northern Telecom DMS-100 Switches 78
Northern Telecom DMS100 NI-1 Service 79
Northern Telecom DMS100 Custom Service 80
Basic Information for Ordering PRI ISDN Lines 80

Central Site Remote Access Switch 7
Hardware Installation 83
Overview 83
Pre-Installation Requirements 83
Selecting Slots for the Adapters 84
Adapter Settings 85
Adapter Interrupt and I/O Address Settings 86
WAN Adapters 86
DM-8 Adapter I/O Address Settings 86
DM-24 Adapter Interrupt and I/O Address Settings 87
DM-24+ and the DM-30+ Adapter Address Settings 88
Encryption Adapter Settings 89
MVIP Settings 89
Additional Adapter Settings 90
PRI-8 90
PRI-23 91
PRI-23/30 92
Inserting the Adapters into the CyberSWITCH 93
Connecting Adapter Inter-Board Cables 94
Connecting Multiple Adapters 94
Connecting a WAN Adapter to the LCD 96
Summary of Guidelines 97
Cabling Guidelines 97
Termination Guidelines 97
Accessing the CyberSWITCH 98
Overview 98
Making Connections 98
Direct Connection 98
Null-Modem Connection to a PC 99
Remote Connection using Telnet 100
Remote Connections (Modem to Modem) 101
Analog Modem on the CyberSWITCH 101
Digital Modem on the CyberSWITCH 102
Establishing an Administration Session 103
Accessing the Release Notes 104
Upgrading System Software 105
Overview 105
Installing Software 105
Upgrading System Software 107
Local Upgrade 107
Procedure 107
Handling Upgrade Warnings and Errors 108
Remote Upgrade 108
Accessing the Release Notes 109

USER’S GUIDE
8 CyberSWITCH
BASIC CONFIGURATION 110
Configuration Tools 111
Overview 111
CFGEDIT 111
Executing CFGEDIT 112
Saving CFGEDIT Changes 112
Dynamic Management 112
Executing Dynamic Management 112
Utility Dynamic Management Commands 113
Saving Dynamic Management Changes 113
Using the Network Worksheets 114
Using the Configuration Chapters 114
Configuring Resources and Lines 115
Overview 115
Resources 115
Configuring Resources 115
Resource Configuration Elements 116
Resource Background Information 117
Lines 119
Configuring Lines 119
Configuring a Line for a BRI Resource 119
Configuring a Line for a PRI Resource 119
Configuring a Line for V.35 and RS232 Resources 120
Configuring Changes for a COMMPORT Resource 121
Line Configuration Elements 122
Line Background Information 126
R2 Signaling 127
Subaddresses 127
Configuring a Subaddress 127
Subaddress Configuration Elements 127
Subaddresses Background Information 127
Configuring Basic Bridging 128
Overview 128
MAC Layer Bridging Option 128
Enabling/Disabling Bridging 128
MAC Layer Bridging Configuration Elements 128
MAC Layer Bridging Background Information 129
Configuring Basic IP Routing 130
Overview 130
Internet Protocol (IP) Option 130
Enabling IP 130
IP Option Configuration Elements 131
IP Background Information 131
IP Operating Mode 131
Configuring the IP Operating Mode 131
IP Operating Mode Configuration Elements 132
IP Operating Mode Background Information 132

Central Site Remote Access Switch 9
IP Network Interfaces 133
Configuring Interfaces 133
Network Interface Configuration Elements 135
IP Network Interface Background Information 140
IP RIP and the IP Network Interfaces 145
IP RIP over Dedicated Connections 148
IP Host Operating Mode and the IP Network Interfaces 150
Using Multiple IP Addresses 150
Static Routes 152
Configuring Static Routes 152
Static Route Configuration Elements 154
Static Route Background Information 156
Default Routes 157
Configuring Default Routes 157
Default Route Configuration Elements 157
Routing Information Protocol (RIP) Option 158
Enabling/Disabling IP RIP 158
IP RIP Configuration Elements 159
IP RIP Background Information 159
SECURITY AND ENCRYPTION OPTIONS 160
Security Overview 161
Overview 161
Security Level 161
System Options and Information 162
Device Level Databases 162
User Level Databases 163
Off-node Server Information 163
Network Login Information 163
Configuring Security Level 164
Overview 164
No Security 166
Configuring No Security 166
Device Level Security 167
Configuring Device Level Security 167
Device Level Security Background Information 167
Overview of Device Authentication Process 168
User Level Security 168
Configuring User Level Security 168
User Level Security Background Information 168
Authentication Using a Security Token Card 169
System Requirements 170
Authentication Process with User Level Security 171
Device and User Level Security 172
Configuring Device and User Level Security 172
Device and User Level Background Information 173

USER’S GUIDE
10 CyberSWITCH
Configuring System Options and Information 174
Overview 174
System Options 174
Configuring System Options 174
System Options Configuration Elements 175
System Options Background Information 177
System Information 178
Configuring System Information 178
System Information Configuration Elements 178
System Information Background Information 179
Administrative Session 179
Configuring Administrative Sessions 179
Administrative Session Configuration Elements 180
Administrative Session Background Information 181
Alternative Database Location Background Information 181
Session Inactivity Background Information 181
Number of Administrative Telnet Sessions Background Information 181
Telnet Server TCP Port Number Background Information 181
Emergency Telnet Server Port Number Background Information 182
Configuring Device Level Databases 183
Overview 183
On-node Device Database 183
Configuring an On-node Device Database 183
On-node Device Entries 184
Configuring On-node Device Entries 184
On-node Device Database Configuration Elements 191
General Configuration Elements 191
ISDN Configuration Elements 191
Frame Relay Access Configuration Elements 193
X.25 Access Configuration Elements 193
Digital Modem Configuration Elements 194
Authentication Configuration Elements 194
IP Information Configuration Elements 196
IPX Information Configuration Elements 196
AppleTalk Information Configuration Elements 197
Bridge Information Configuration Elements 198
Compression Configuration Elements 199
On-node Device Database Background Information 199
On-node Device Database Security Requirements 199
Off-node Device Database Location 203
Configuring Off-node Device Database Location 203
Off-node Device Database Location Configuration Elements 204
Off-node Device Database Location Background Information 204
Configuring User Level Databases 205
Overview 205
User Level Authentication Database Location 205
Configuring Authentication Database Location 205
User Level Authentication Database Location Configuration Elements 206
User Level Authentication Database Location Background Information 206

Central Site Remote Access Switch 11
Configuring Off-node Server Information 207
Overview 207
Multiple Administration Login Names 207
CSM Authentication Server 208
Configuring CSM Authentication Server 208
CSM Authentication Server Configuration Elements 209
CSM Authentication Server Background Information 209
RADIUS Server 209
Configuring a RADIUS Authentication Server 209
RADIUS Authentication Server Configuration Elements 211
RADIUS Authentication Server Background Information 211
Configuring a RADIUS Accounting Server 212
RADIUS Accounting Server Configuration Elements 214
RADIUS Accounting Server Background Information 214
Performance 214
Verification and Diagnosis 215
RADIUS RFC2138 215
Enabling RADIUS Type 215
RADIUS Type Configuration Elements 216
Background Information 216
Dynamic Device Option 216
Configuring the Dynamic Device Option 216
Dynamic Device Configuration Elements 217
Background Information 217
TACACS Authentication Server 218
Configuring a TACACS Authentication Server 218
TACACS Authentication Server Configuration Elements 219
TACACS Authentication Server Background Information 219
ACE Authentication Server 220
Configuring an ACE Authentication Server 220
Alternate Method of Configuration 221
ACE Authentication Server Configuration Elements 221
ACE Authentication Server Background Information 222
Configuring Network Login Information 223
Overview 223
Network Login General Configuration 223
Configuring General Network Login Information 223
Authentication Timeout 224
Terminal Server Security 224
Network Login General Configuration Background Information 225
Network Login Banners 225
Configuring Network Login Banners 225
Network Login Banners Background Information 226
Login Configuration Specific to RADIUS Server 226
Configuring RADIUS Server Login Information 226
Login Configuration Specific to RADIUS Server Background Information 227
Login Configuration Specific to TACACS Server 228
Configuring TACACS Server Login Information 228
Login Configuration Specific to TACACS Server Background Information 229

USER’S GUIDE
12 CyberSWITCH
Configuring Encryption 231
Configuration 231
Configuring an Encryption adapter 231
Configuring Security Associations and Authentication (IP Security Only) 232
Configuring Link Layer Encryption (PPP Encryption Only) 233
Encryption Configuration Elements 234
Encryption Background Information 236
IP Network Layer Encryption 236
ESP Implementation 236
IP Encryption Example 237
Authentication Headers 237
Link Layer Encryption 238
Link Layer Encryption: Manually-Configured Keys 238
Automated Key Exchange 239
Interaction with Other Features 239
IP Filters 239
Multiple MAC/IP Addresses 240
PPP Compression 240
ADVANCED CONFIGURATION 241
Configuring Alternate Accesses 242
Overview 242
Dedicated Accesses 242
Configuring a Dedicated Access 242
Dedicated Access Configuration Elements 243
Dedicated Access Background Information 243
X.25 Accesses 244
Configuring an X.25 Access 244
Basic Configuration Information 244
LAPB Configuration Information 245
X.25 Configuration Information 245
Permanent Virtual Circuit Information 247
X.25 Configuration Elements 247
X.25 Line Configuration Elements 247
LAPB Configuration Elements 248
X.25 Access Configuration Elements 249
PVC Configuration Elements 252
X.25 Access Background Information 253
Current X.25 Restrictions 255
Frame Relay Accesses 255
Configuring a Frame Relay Access 255
Configuring General Access Information 255
Configuring a PVC 256
Frame Relay General Configuration Elements 257
Frame Relay PVC Configuration Elements 258
Frame Relay Access Background Information 260
The Local Management Interface Overview 261
Data Rate Control Overview 261
Congestion Control Overview 262
Current Restrictions 262

Central Site Remote Access Switch 13
Configuring Advanced Bridging 264
Overview 264
Bridge Dial Out 264
Configuring the Device List for Bridge Dial Out 265
Spanning Tree Protocol 266
Configuring Spanning Tree Protocol 266
Spanning Tree Protocol Configuration Elements 267
Spanning Tree Protocol Background Information 267
Bridge Mode of Operation 268
Configuring the Bridge Mode of Operation 268
Bridge Mode of Operation Configuration Elements 268
Bridge Mode of Operation Background Information 268
Unrestricted Bridge Mode 268
Restricted Bridge Mode 269
Bridge Filters 269
Configuring Bridge Filters 269
Bridge Filter Configuration Elements 272
Protocol Definition Configuration Elements 272
Bridge Filter Configuration Elements 272
Bridge Filters Background Information 273
Protocol Definitions 273
Bridge Filter Definitions 274
Dial Out Using Bridge Filters 283
Example: Bridge Dial Out Using a Destination MAC Address Filter 283
Known Connect List 285
Configuring the Known Connect List 285
Using CFGEDIT 285
Known Connect List Configuration Elements 286
Known Connect List Background Information 286
Configuring Advanced IP Routing 287
Overview 287
Static ARP Table Entries 288
Configuring Static ARP Table Entries 288
Static ARP Table Entries Configuration Elements 288
Static ARP Table Entries Background Information 288
The Isolated Mode 289
Configuring the Isolated Mode 289
Isolated Mode Configuration Elements 289
Isolated Mode Background Information 289
Static Route Lookup via RADIUS 289
Configuring Static Route Lookup via RADIUS 289
Static Route via RADIUS Configuration Elements 290
Static Route Lookup via RADIUS Background Information 290
IP Address Pool 290
Configuring an IP Address Pool 290
IP Address Pool Configuration Elements 290
IP Address Pool Background Information 291

USER’S GUIDE
14 CyberSWITCH
IP Filters 291
Initiating the IP Filter Configuration 292
Configuring Packet Types 292
Configuring the Common IP Portion 293
Configuring TCP 294
Configuring UDP 294
Configuring ICMP 295
Configuring Forwarding Filters 296
Configuring Connection Filters 297
Configuring Exception Filter 298
Modifying the Final Condition for a Filter 299
Applying Filters 299
Applying Filters to Network Interfaces 299
Applying the Global Forwarding Filter 299
Applying per-device Forwarding Filters 299
IP Filters Configuration Elements 300
IP Filters Background Information 301
Filter Composition 302
Types of Filters 302
Role of Filters in the IP Processing Flow 303
Packet Types 304
Limitations 305
Example of an IP Filter Configuration 306
DHCP Relay Agent 308
Configuring a DHCP Relay Agent 308
DHCP Configuration Elements 309
DHCP Background Information 309
DHCP/BOOTP Relay Agent Environments 309
Example DHCP Configurations 311
DHCP Proxy Client 315
Configuring the DHCP Proxy Client 315
DHCP Configuration Elements 316
DHCP Background Information 316
Sample Configuration: IP Router with DHCP Proxy Client 317
Security Associations 318
Configuring Security Associations 318
DNS and NetBIOS Addresses 319
Configuring DNS and NetBIOS Addresses 319
DNS/NBNS Configuration Elements 320
DNS/NBNS Background Information 320
Configuring IPX 321
Overview 321
Configuring IPX Information 322
IPX Routing Option 323
Enabling/Disabling IPX 323
IPX Option Configuration Element 323
IPX Option Background Information 324
IPX Internal Network Number 324
Configuring the IPX Internal Network Number 324
IPX Internal Network Number Configuration Element 324
IPX Network Number Background Information 325

Central Site Remote Access Switch 15
IPX Network Interfaces 325
Configuring IPX Network Interfaces 325
IPX Network Interface Configuration Elements 327
General IPX Network Interface Configuration Elements 327
RIP IPX Network Interface Configuration Elements 327
SAP IPX Network Interface Configuration Elements 328
IPX Network Interface Background Information 329
IPX Routing Protocols 330
Configuring IPX Routing Protocols 330
IPX Routing Protocol Configuration Elements 330
IPX Routing Protocol Background Information 331
Routing/Service Tables 331
Special Considerations - Remote LAN Interface 332
IPX Static Routes 333
Configuring IPX Static Routes 333
IPX Static Routes Configuration Elements 334
IPX Static Routes Background Information 334
IPX NetWare Static Services 335
Configuring IPX NetWare Static Services 335
IPX NetWare Static Services Configuration Elements 336
IPX NetWare Static Services Background Information 337
IPX Spoofing 337
Configuring IPX Spoofing 337
IPX Spoofing Configuration Elements 338
IPX Spoofing Background Information 338
Watchdog Protocol 339
SPX Protocol 339
IPX Type 20 Packet Handling 340
Configuring IPX Type 20 Packet Handling 340
IPX Type 20 Packet Handling Configuration Elements 340
IPX Type 20 Packet Handling Device Configuration Elements 341
IPX Type 20 Packet Handling Background Information 341
IPX Isolated Mode 341
Configuring IPX Isolated Mode 341
IPX Isolated Mode Configuration Elements 341
IPX Isolated Mode Background Information 341
IPX Triggered RIP/SAP 342
Displaying WAN Peer List 342
Configuring Triggered RIP/SAP Global Timers 342
Configuration Elements 343
Triggered RIP/SAP Background Information 343
IPX-Specific Information for Devices 344
Configuring IPX Devices 344
WAN Devices 344
Remote LAN Devices 346
IPX Configuration Elements for Devices 347
IPX Background Information for Devices 349
IPX Triggered RIP/SAP Device Background 349

USER’S GUIDE
16 CyberSWITCH
Configuring SNMP 350
Overview 350
Configuring SNMP 350
SNMP Configuration Elements 352
SNMP Background Information 353
Using Cabletron NMS Systems 356
Configuring AppleTalk Routing 357
Overview 357
AppleTalk Routing Option 357
Enabling AppleTalk Routing 357
AppleTalk Routing Option Configuration Element 358
AppleTalk Routing Background Information 358
AppleTalk Ports 358
Configuring AppleTalk Ports 358
AppleTalk Ports Configuration Elements 359
AppleTalk Ports Background Information 360
The AppleTalk Network Type 360
Dynamic Node Address Assignment 360
The Zone Concept 361
AppleTalk Remote LAN 361
AppleTalk Static Routes 362
Configuring AppleTalk Static Routes 362
AppleTalk Routing Static Routes Configuration Elements 363
AppleTalk Routing Static Routes Background Information 363
AppleTalk Capacities 363
Configuring AppleTalk Capacities 363
AppleTalk Capacities Configuration Elements 363
AppleTalk Capacities Background Information 364
AppleTalk Isolated Mode 364
Configuring the AppleTalk Isolated Mode 364
AppleTalk Isolated Mode Configuration Elements 364
Configuring Call Control 365
Overview 365
Call Control Menu 365
Throughput Monitor 366
Configuring the Throughput Monitor 366
Throughput Monitor Configuration Elements 367
Throughput Monitor Background Information 367
Overload Condition Monitoring 368
Underload Condition Monitoring 369
Idle Condition Monitoring 369
Throughput Monitor Configuration Example 369
Call Interval Parameters 371
Configuring the Call Interval Parameters 371
Call Interval Configuration Elements 371
Call Interval Background Information 371
Monthly Call Charge 371
Configuring Monthly Call Charge 371
Monthly Call Charge Configuration Elements 372
Monthly Call Charge Background Information 372

Central Site Remote Access Switch 17
Call Restrictions 372
Configuring Call Restrictions 372
Call Restriction Configuration Elements 373
Call Restrictions Background Information 376
Bandwidth Reservation 376
Configuring Bandwidth Reservation 376
Bandwidth Reservation Configuration Elements 378
Bandwidth Reservation Background Information 379
Semipermanent Connections 379
Configuring Semipermanent Connections 379
Semipermanent Connections Configuration Elements 381
Semipermanent Connections Background Information 381
Interactions with Other Features 381
CSM as a Call Control Manager 383
Configuring CSM for Call Control 383
Configuration Elements 383
Background Information 384
Call Control Management 384
Limitations/Considerations 385
D Channel Callback 385
Configuring D Channel Callback 385
D Channel Callback Configuration Elements 386
D Channel Callback Background Information 386
Digital Modem Inactivity Timeout 387
Configuring the Digital Modem Inactivity Timeout 387
Modem Inactivity Timeout Configuration Elements 387
Modem Inactivity Timeout Background Information 388
Configuring Other Advanced Options 389
Overview 389
The Digital Modem 389
Configuring for a Digital Modem 389
Digital Modem Background Information 390
Supported Modes of Connection 391
Relationships between Digital Modem and other Features 392
Default Async Protocol 392
PPP Mode 392
Terminal Mode 393
Call Disconnect 393
Default Async Protocol Configuration Elements 393
Background Information 394
Autosense Feature 395
Limitations 395
Interactions with Other Features 395
PPP Configuration 396
Configuring PPP 396
PPP Configuration Elements 396
PPP Background Information 398
PPP Link Failure Detection 398
PPP Reference Documents 399

USER’S GUIDE
18 CyberSWITCH
Default Line Protocol 399
Configuring Default Line Protocol 399
Default Line Protocol Configuration Elements 400
Default Line Protocol Background Information 400
Log Options 400
Configuring Log Options 400
Log Options Configuration Elements 401
Log Options Background Information 402
Local Log File Overview 402
Syslog Server Overview 402
System Messages 404
Authentication Messages 404
Call Detail Recording 404
Compression Options 410
Configuring Compression Options 410
Compression Options Configuration Elements 411
Compression Options Background Information 412
Compression and CCP 412
TFTP 414
Configuring TFTP 414
TFTP Configuration Elements 414
TFTP Background Information 414
File Attributes 415
Configuring File Attributes 415
File Attributes Configuration Elements 415
File Attributes Background Information 416
VERIFICATION AND DIAGNOSIS 417
Verifying the Base System 418
Overview 418
Hardware Resources Operational? 418
WAN Adapter Initialized? 418
LAN Adapter Initialized? 419
WAN Lines Available for Use? 420
Verifying WAN Line Availability 420
Dedicated Serial Connections 421
LAN Connection Operational? 422
Bridge Initialized? 423
IP Router Initialized? 423
Remote Device Connectivity 424
Multi-Level Security 426
IP Host Mode 427
IP Host Initialized? 427
Verification 427
IP Host Mode Operational? 427
Verification over a LAN connection 428
Verification over a WAN connection 429

Central Site Remote Access Switch 19
Alternate Accesses 429
Dedicated Connections 429
Frame Relay Connections 430
PPP Link Failure Detection 430
X.25 Connections 431
X.25 and a Terminal Server Menu 432
Verifying Routing Protocols 433
Overview 433
IP Routing Operational? 433
IP Routing Over a LAN Interface 433
IP Routing Over a WAN Interface 434
IP Routing Over a WAN (Direct Host) Interface 436
IP Routing Over a WAN Remote LAN Interface 438
IP Routing Over a WAN UnNumbered Interface 439
IP Filters 440
IP RIP Initialized? 441
IP RIP Output Processing on a LAN Interface 442
IP RIP Input Processing on a LAN Interface 443
IP RIP Output Processing on a WAN Interface 444
IP RIP Input Processing Operational on a WAN Interface 445
IPX 446
IPX Router Initialized? 446
IPX Routing Operational? 447
IPX Routing over a LAN Connection 447
IPX Remote LAN Connection 448
IPX Routing over a WAN Connection 450
Triggered RIP/SAP 450
AppleTalk Routing 452
AppleTalk Routing Initialized? 452
AppleTalk Routing Operational? 452
AppleTalk Routing over the LAN connection 453
AppleTalk Routing over a WAN connection 455
Verifying System Options 457
Overview 457
SNMP 457
Dial Out 459
Call Detail Recording 461
Compression 462
Reserved Bandwidth 463
DHCP Relay Agent 464
Verifying DHCP Relay Agent Initialization 464
Verifying the Relay Agent is Enabled 464
Verifying the Relay Agent is Operational 465
DHCP: Proxy Client 467
Verifying DHCP Proxy Client Initialization 467
Verifying the Proxy Client is Enabled 467
Verifying the Proxy Client is Operational 468
Verification of UDP Ports 468
Verification of IP Address Pool 469
D Channel Callback 469

USER’S GUIDE
20 CyberSWITCH
Modem Callback 470
Verifying a Semipermanent Connection 471
Proxy ARP 472
TROUBLESHOOTING 474
LCD Messages 475
Overview 475
LCD Message Groups 475
Initialization LCD Message 475
Normal Operation LCD Messages 475
Error LCD Messages 476
System Messages 480
Overview 480
Informational Messages 481
Initialization Messages 481
Normal Operation Messages 481
Spanning Tree Messages 481
Warning Messages 481
Error Messages 481
System Message Summary 482
Trace Messages 544
Overview 544
Call Trace Messages 545
Call Trace Message Summary 546
IP Filters Trace Messages 551
PPP Packet Trace Messages 552
WAN FR_IETF Trace Messages 554
X.25 Trace Messages 554
X.25 Trace Message Summary 554
X.25 (LAPB) Trace Messages 557
X.25 (LAPB) Trace Message Summary 557
SYSTEM MAINTENANCE 559
Remote Management 560
Overview 560
SNMP 561
Installation and Configuration 562
Usage Instructions 562
Telnet 563
Installation and Configuration 564
Usage Instructions 564
WIN95 Dial-Up Networking 566
Setting up a New Number 566
Setting Up Server Type 566
Dialing Out 567