Cabletron Systems CSX200 CyberSWITCH User manual

Title Page
Portable Management Application
for the
CSX200 and CSX400
User’s Guide
®

i
Notice
Cabletron Systems reserves the right to make changes in speciÞcations 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, Þrmware, 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
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SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.
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Cabletron 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
conÞdence.
Cabletron Systems makes no representations or warranties to the effect that the Licensed Software is
virus-free.
Copyright © 1998 by Cabletron Systems, Inc. All rights reserved.
Printed in the United States of America.
Order Number: 9032626-E1 April 1998
Cabletron Systems, Inc.
P.O. Box 5005
Rochester, NH 03866-5005
SPECTRUM , MiniMMAC , FNB , Multi Media Access Center , and DNI are registered trademarks,
and Portable Management Application , IRM , IRM2 , IRM3 , IRBM , ESXMIM , ETSMIM , EMME ,
EMM-E6 , ETWMIM , FDMMIM , FDCMIM , MicroMMAC , MRXI , MRXI-24 , NB20E , NB25E , NB30 ,
NB35E , NBR , SEHI , STHI , TRBMIM , TRMM , TRMM-2 , TRMM-4 , TRMMIM , TRXI , Media
Interface Module , MIM , and Flexible Network Bus are trademarks of Cabletron Systems, Inc.
UNIX and OPENLOOK are trademarks of Unix System Laboratories, Inc. OSF/Motif and Motif are
trademarks of the Open Software Foundation, Inc. X Window System is a trademark of X Consortium,
Inc. Ethernet and XNS are trademarks of Xerox Corporation. Apple and AppleTalk are registered
trademarks of Apple Computer, Inc. Banyan is a registered trademark of Banyan Systems, Inc.
DECnet is a registered trademark of Digital Equipment Corporation. Novell is a registered trademark
of Novell, Inc. CompuServe is a registered trademark of CompuServe. Sun Microsystems is a
registered trademark, and Sun , SunNet , and OpenWindows are trademarks of Sun Microsystems,
Inc.

ii
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iii
Contents
Chapter 1 Introduction to SPMA
for the CSX200 and CSX400
HSIM-W6 and HSIM-W84........................................................................................... 1-2
Using the CSX200 and CSX400 UserÕs Guide ........................................................... 1-2
WhatÕs NOT in the CSX UserÕs Guide . . ........................................................... 1-3
Conventions................................................................................................................... 1-4
Screen Displays ...................................................................................................... 1-4
Using the Mouse .................................................................................................... 1-6
Getting Help .................................................................................................................. 1-6
CSX200 and CSX400 Firmware ................................................................................... 1-7
Year 2000 Compliance ........................................................................................... 1-7
Chapter 2 Device Configuration
About the CSX200 Series.............................................................................................. 2-1
Applications............................................................................................................ 2-2
About the CSX400 ......................................................................................................... 2-3
Applications............................................................................................................ 2-3
WAN Redundancy................................................................................................. 2-4
CSX WPIMs.................................................................................................................... 2-4
Chapter 3 CSX Bridge View
Bridging Basics .............................................................................................................. 3-1
About Transparent Bridging ................................................................................ 3-2
Accessing the Bridge TrafÞc View Window .............................................................. 3-2
Navigating Through the Bridge TrafÞc View .................................................... 3-3
Bridge TrafÞc View Front Panel........................................................................... 3-5
The Bridge Port Display........................................................................................ 3-7
Choosing Bridge TrafÞc Information: Bridge TrafÞc View Buttons................ 3-7
Using the Detail View Window .................................................................................. 3-9
Changing Ports in the Detail View.................................................................... 3-11
The Bridge Status Window........................................................................................ 3-12
The Bridge Statistics Window ................................................................................... 3-13
The Special Database Window.................................................................................. 3-15
Changing a Special Database Filter................................................................... 3-18
Viewing the Filter List ......................................................................................... 3-19
Hex Values for Destination Ports ............................................................... 3-19
Deleting Special Database Filters ............................................................... 3-20

Contents
iv
The Filtering Database Window ...............................................................................3-20
Viewing the Filtering Database..........................................................................3-21
Changing the Filtering Database Dynamic Aging Time ................................3-25
Changing Forwarding and Static Database Entries........................................3-26
Deleting a Static Table Entry .......................................................................3-27
Finding a Filtering Database MAC Address.................................................... 3-27
The Spanning Tree Protocol Window.......................................................................3-28
Changing Spanning Tree Parameters................................................................3-32
The Spanning Tree Port Parameters Window .........................................................3-32
Changing a PortÕs STA Parameters....................................................................3-34
Creating Bridge TrafÞc Charts, Graphs and Meters...............................................3-34
The Bridge Port Forwarding Statistics Window .....................................................3-35
Port Forwarding Statistics Window Fields.......................................................3-36
Viewing Source Routing Frame Type Statistics ...............................................3-37
ConÞguring Forwarding Thresholds .......................................................................3-38
Viewing the Forwarding Log.....................................................................................3-41
Changing Polling Intervals ........................................................................................ 3-43
Enabling and Disabling Ports....................................................................................3-44
Enabling and Disabling a Transparent Bridge Port ........................................3-44
Chapter 4 CSXWAN Configuration
Accessing the CSX WAN ConÞguration Window....................................................4-1
Synchronous Port ConÞguration ................................................................................ 4-5
ConÞguring the Synchronous Port......................................................................4-6
T1 Port ConÞguration...................................................................................................4-6
ConÞguring the T1 Port ........................................................................................4-8
Using the Fractional Table ....................................................................................4-8
WPIM S/T ConÞguration ............................................................................................4-9
Interface ConÞguration Window ................................................................................4-9
ConÞguring the WAN Interfaces....................................................................... 4-11
ConÞguring the PPP Protocol.................................................................................... 4-12
PPP Link Control Protocol Status Fields...........................................................4-13
Link Control Protocol ConÞguration Fields..................................................... 4-14
ConÞguring Link Control Protocol Options.............................................4-16
Viewing the PPP Bridge Network Control Protocol .......................................4-17
ConÞguring the Frame Relay Protocol.....................................................................4-18
ConÞguring the Frame Relay Protocol ............................................................. 4-20
Viewing the Circuit ConÞguration....................................................................4-22
ConÞguring the Circuits .............................................................................. 4-24
Adding Circuits.................................................................................................... 4-24
Checking Statistics ...................................................................................................... 4-25
PPP Link Control Protocol Errors......................................................................4-25
Frame Relay DLCMI Last Error.........................................................................4-27
Frame Relay Circuit Counters............................................................................4-28
Creating Meters.............................................................................................4-29
Synchronous Port Errors.....................................................................................4-30
Synchronous Port Signals ...................................................................................4-31

1-1
Chapter 1
Introduction to SPMA
for the CSX200 and CSX400
How to use the CSX200 and CSX400 User’s Guide; manual conventions; contacting the Cabletron
Systems Global Call Center; firmware versions supported by SPMA
Your SPMA for the CSX200 and CSX400 management modules provides
management support for both the CyberSWITCH CSX200 and CyberSWITCH
CSX400 stand-alone LAN-to-WAN access devices. Both the CSX200 series and the
CSX400 device support PPP and Frame Relay WAN protocols, as well as
multiprotocol bridging and IP/IPX routing.
The CSX200 series (CSX 201, 202, and 203) is designed for smaller branch ofÞces
who need up to twelve Ethernet ports connected to a corporate WAN or ISP. Each
CSX200 device has twelve RJ-45 ports and one WAN interface. Before shipping,
the proper Wide Area Port Interface Module (WPIM) is installed in your device,
depending on the technology you need. WPIM connections currently supported
by SPMA include T1 and synchronous. In the future E1, DDS, DI (Drop-and-
Insert), and HDSL will also be supported by SPMA. All of these WPIM options
are discussed in Chapter 2, Device ConÞguration . The CSX200 also supports
Point to Point Protocol (PPP), leased lines, and Frame Relay (RFC1490), providing
up to four Permanent Virtual Connections (PVCs) to corporate ofÞces or the
Internet.
The CSX400 is ideal for corporate ofÞces or larger branch sites that require two
individual Ethernet LAN segments with single or dual WAN connectivity. The
two Ethernet ports can be conÞgured with any available EPIM media, while the
two WAN ports can be occupied by any swappable combination of Cabletron
WPIMs. Currently SPMA can only manage a T1 or synchronous connection, but
in the future WPIM options for SPMA will also include DDS, DI, E1, and HDSL
connectivity. Each WPIM can act independently, allowing simultaneous
communication, or the pair can be conÞgured to provide redundant channels if
desired. Connectivity is available for Point to Point Protocol (PPP), as well as
Frame Relay and leased lines.

Introduction to SPMA for the CSX200 and CSX400
1-2 HSIM-W6 and HSIM-W84
HSIM-W6 and HSIM-W84
The HSIM-W6 and HSIM-W84 are Wide Area Networking HSIMs (High Speed
Interface Modules), which are similar to the CSX200/400 in that they provide
LAN to WAN switching. They can be installed in SmartSwitch 2000, 6000, and
9000 modules to uplink to WANs. These HSIMs are intelligent modules with their
own IP addresses, and are managed separately through SPMA as CSX-400s.
Therefore, users of the HSIM-W6 and HSIM-W84 can also use this manual.
The
HSIM-W6 supports IP and IPX bridging or routing services, including IP RIP.
Multiple WAN connectivity is similar to that of the CSX400, with the use of two
conÞgurable WAN WPIMs. WPIM options are discussed in Chapter 2, Device
ConÞguration . Each WPIM on the HSIM-W6 can act independently, allowing
simultaneous communication, or the pair can be conÞgured to provide redundant
channels if desired.
The HSIM-W84 provides a Þxed conÞguration of four RJ45 ports for four active
T1 interfaces.
Using the CSX200 and CSX400 User’s Guide
Your SPECTRUM Portable Management Application (SPMA) for the CSX200 and
CSX400 consists of a number of different applications, each of which provides a
portion of the overall management functionality. Each of these applications can be
accessed from the icon menu (if you are using a management platform) and from
the Stand-alone Launcher or the command line (if you are running in stand-alone
mode).
This UserÕs Guide describes how to use the bridging and WAN conÞguration
applications included with the module; note that the instructions provided in this
guide apply to the CSX200 and CSX400 module regardless of the operating
system or management platform you are using. Instructions for launching each
individual function from the command line (stand-alone mode) are also included
in each chapter. At times this manual may refer to the ÒCSX,Ó in which case the
information pertains to both the CSX200 and CSX400.
NOTES
The CSX400 can support an ISDN connection with the WPIM-S/T. However, this
connection is designed for WAN redundancy only. A primary ISDN WAN connection is
not an option on the CSX400 at this time.
It is also important to note a Windows 95- and NT-based utility called QuickSET was
shipped with your CyberSwitch. This program is designed for point-and-click installation
and set-up of CSX200/400 devices. QuickSET can also be used to conÞgure WPIM
settings and routing-bridging protocols, including those WPIMs not currenlty supported
by SPMA. See your QuickSET documentation for more information.

Using the CSX200 and CSX400 User’s Guide 1-3
Introduction to SPMA for the CSX200 and CSX400
Following is a description of the applications covered in this guide. While we
provide as much background information as we can, we do assume that youÕre
familiar with Ethernet, Frame Relay, and WAN networks, and with general
network management concepts:
¥ Chapter 1, Introduction , provides a list of related documentation, describes
certain software conventions, and shows you how to contact the Cabletron
Systems Global Call Center.
¥ Chapter 2, Device ConÞguration , describes the physical conÞguration of the
CSX 200/400 devices, including WPIM options and SPMA application
options.
¥ Chapter 3, Bridge View , discusses the Bridge TrafÞc and Bridge Detail views,
instructs you on conÞguring bridge parameters, and discusses the Bridge
Filtering and Special Databases.
¥ Chapter 4,
CSX WAN ConÞguration , explains how to conÞgure the WPIMs as
WAN interfaces, and how to conÞgure the Frame Relay or PPP protocol
supported on each WAN interface. You can access the CSX WAN
ConÞguration window from the icon menu or the command line.
What’s NOT in the CSX User’s Guide . . .
The following standard SPMA tools are available through the CSX200/400
module and are explained in the SPECTRUM Portable Management Application
Tools Guide :
¥ Charts, Graphs, and Meters
¥ Community Names
¥ MIB I, II
¥ MIBTree
¥ Telnet
¥ TFTP Download
¥ Trap Table
¥ Utilities (Global Community Names, Find MAC Address, and TFTP)
Charts, Graphs, and Meters are accessible from the command line; the Utilities
and MIBTree applications are accessible from the platform console window Tools
menu or the Stand-alone Launcher applications menu, and MIBTree can also be
launched from the command line; and the rest of the tool applications are
available from the icon menu or the command line.
For the CSX400, an additional application may also appear on the platform
console window Tools menu or the Stand-alone Launcher applications menu:
¥ RMON ConÞguration

Introduction to SPMA for the CSX200 and CSX400
1-4 Conventions
Note that this application must be purchased separately, and is documented in its
own UserÕs Guide .
Instructions on discovering Cabletron devices, creating icons, and accessing the
icon menus within your management platform are included in your Installing
and Using SPECTRUM for... guide. If you are using SPMA for the CSX in
stand-alone mode Ñ that is, without beneÞt of a speciÞc network management
system Ñ instructions for starting each application from the command line are
included (as appropriate) in each chapter of this guide and the SPMA Tools
Guide .
Conventions
SPECTRUM Portable Management Applications Ñ including the CSX200 and
CSX400 module Ñ can work with a number of different network management
systems running on several different operating systems and graphical user
interfaces. This versatility presents two documentation problems: Þrst, there is no
standard terminology; and second, the appearance of the windows will differ
based on the graphical interface in use. For the sake of consistency, the following
conventions will be followed throughout this and other SPMA guides.
Screen Displays
SPMA runs under a variety of different operating systems and graphical user
interfaces. To maintain a consistent presentation, screen displays in this and other
SPMA guides show an OSF/Motif environment. If youÕre used to a different GUI,
donÕt worry; the differences are minor. Buttons, boxes, borders, and menus
displayed on your screen may look a bit different from what you see in the guide,
but theyÕre organized and labelled the same, located in the same places, and
perform the same functions in all screen environments.
Some windows within SPMA applications can be re-sized; those windows will
display the standard window resizing handles employed by your windowing
system. Re-sizing a window doesnÕt re-size the information in the window; it just
changes the amount of information that can be displayed (see Figure 1-1). When
you shrink a window, scroll bars will appear as necessary so that you can scroll to
view all the information that is available.
NOTE
If you are using SPMA in a stand-alone mode or in conjunction with the SunNet
Manager or Solstice Enterprise Manager platforms, the RMON option will be available
for all CSX400 devices whether or not you have purchased the RMON application
module. If you are using SPMA in conjunction with HP Network Node Manager or IBM
NetView AIX, however, the RMON option will only appear when the module has been
purchased and installed. RMON is not supported on the CSX200 series.

Conventions 1-5
Introduction to SPMA for the CSX200 and CSX400
Figure 1-1. Window Conventions
The Refresh button that appears in several windows allows you to poll the device
to update information appearing in those windows.
Use the scroll bars
provided to choose
what to display in a
window that’s been
resized
Click the Refresh
button to re-poll the
device for information
contained in a window

Introduction to SPMA for the CSX200 and CSX400
1-6 Getting Help
Using the Mouse
The UNIX mouse has three buttons. Procedures within the SPMA document set
refer to these buttons as follows:
Figure 1-2. Mouse Buttons
If youÕre using a two-button mouse, donÕt worry. SPMA doesnÕt make use of
mouse button 2. Just click the left button for button 1 and the right mouse button
when instructed to use mouse button 3.
Whenever possible, we will instruct you on which mouse button to employ;
however, menu buttons within SPMA applications will operate according to the
convention employed by the active windowing system. By convention, menu
buttons under the Motif windowing environment are activated by clicking the left
mouse button (referred to as mouse button 1 in SPMA documentation), and there
is no response to clicking the right button (mouse button 3). Under
OpenWindows, menu buttons can be activated by clicking the right button, and
convention dictates that the left button activates a default menu option; within
SPMA, that default option will also display the entire menu. Because of this
difference, references to activating a menu button will not include instructions
about which mouse button to use. All other panels from which menus can be
accessed, and all buttons which do not provide access to menus, will operate
according to SPMA convention, as documented.
Getting Help
If you need technical support related to SPMA, or if you have any questions,
comments, or suggestions related to this manual or any of our products, please
feel free to contact the Cabletron Systems Global Call Center. Before calling,
please have the following information ready:
Button 1
Button 2
Button 3

CSX200 and CSX400 Firmware 1-7
Introduction to SPMA for the CSX200 and CSX400
¥ The product name and part number.
¥ The version number of the program that you need help with. SPMA is
modular, which means each application will have a speciÞc revision number.
Where applicable, an INFO button provides the version number; you can also
view the version number for any application by typing the command to start
the application followed by a -v .
You can contact Cabletron Systems Global Call Center via any of the following
methods:
By phone: Monday through Friday between 8 AM and 8 PM
Eastern Standard Time at [phone].
By mail: Cabletron Systems, Inc.
PO Box 5005
Rochester, NH 03866-5005
By Internet mail: [email protected]
FTP: ftp.ctron.com (134.141.197.25)
Login anonymous
Password your email address
By BBS: [phone]
Modem Setting 8N1: 8 data bits, 1 stop bit, No parity
For additional information about Cabletron Systems products, visit our
World Wide Web site: http://www.cabletron.com/ . For technical support,
select Service and Support .
CSX200 and CSX400 Firmware
SPMA for the CSX200 has been beta-tested against released Þrmware version
1.02.08 only, and the CSX400 has been beta-tested again released Þrmware version
2.00.11 only. If you have a different version of Þrmware and experience problems
running SPMA, contact Cabletron SystemsÕ Global Call Center for upgrade
information.
Year 2000 Compliance
Previous users of SPMA will note a few display changes related to Year 2000
compliance. All SPMA applications now have the ability to display a four-digit
year value where this information is available. For example, the Stand-alone
TIP
As a general rule, Þrmware versions (and software support) for new products are liable to
change rapidly; contact Cabletron SystemsÕ Global Call Center for information about the
latest customer release of Þrmware and software available.

Introduction to SPMA for the CSX200 and CSX400
1-8 CSX200 and CSX400 Firmware
Launcher window Ñ which uses your workstationÕs system time value to display
the time and date of the last contact change Ñ will now display these date values
with eight digits (05/31/1998) instead of six (05/31/98).
Please keep in mind, however, that SPMAÕs ability to display a four-digit year
value in device-speciÞc windows Ñ such as the Device Status window available
from the Hub View or the Bridge View Ñ is dependent on the ÞrmwareÕs ability
to provide a four-digit value. Not all Þrmware versions support this ability; contact
Cabletron SystemsÕ Global Call Center for information speciÞc to your device
Þrmware.

2-1
Chapter 2
Device Configuration
Physical CSX device information; SPMA management applications for the CSX200 series and the
CSX400; CSX WPIMs
The CSX200 series (201, 202, and 203) and the CSX 400 come with a variety of
Ethernet LAN and WAN connectivity options. The WPIMs which provide the
WAN connection(s) are discussed in this chapter, along with how to access the
SPMA utilities available to each CSX200/400 module.
About the CSX200 Series
There are three devices in the CSX200 family: the CSX201, CSX202, and CSX203.
Each has twelve RJ-45 Ethernet ports for LAN connection via 10BaseT twisted
pair cable, along with a WPIM slot to provide one WAN interface. The model
number depends on the type of Wide Area Networking interface installed:
CSX201 Provides a T1/E1 Wide Area uplink
CSX202 Provides a Serial interface (V.35, X.21, RS449, RS232. or
RS530)
CSX203 Provides a DDS WAN uplink
NOTE ItÕs important to note that a Windows 95- and NT-based utility called QuickSET was
shipped with your CyberSWITCH. This program is designed for point-and-click
installation and set-up of CSX200/400 devices. QuickSET can also be used to conÞgure
WPIM settings and routing/bridging protocols, including those WPIMs not currenlty
supported by SPMA. See your QuickSET documentation for more information.

Device Configuration
2-2 About the CSX200 Series
See CSX WPIMs on page 2-4 for a description of the WPIM modules that are
available for your CSX200 both currently and in the future.
Applications
You can use the following SPMA applications to manage your CSX200 devices:
Bridge View
The Bridge View application is described in Chapter 3, CSX Bridge View. The
Bridge View allows you to conÞgure bridging and Þltering parameters, and to
view statistics on your CSX200 bridge.
Router Configuration
The Advanced and Basic Router ConÞguration applications are both detailed in
your SPMA Routing Services ConÞguration Guide. Through Basic ConÞguration
you can set and view routing parameters on each port. With Advanced
ConÞguration you can conÞgure static routes and secondary addresses, monitor
and control routing tables, and apply network security measures using access
control lists.
WAN Configuration
Chapter 4, CSX WAN ConÞguration, describes this application in detail. With the
CSX200Õs WAN ConÞguration window, you can set wide-area protocols and
conÞgure those settings, as well as conÞgure the WPIM installed on your device.
NOTE At the time of this release, SPMA does not support a DDS interface on a CSX device.
This applies to both the CSX203 and a WPIM-DDS installed on a CSX-400. In addition,
the WPIM-DI, WPIM-E1, and WPIM-HDSL are also not currently supported by
SPMA, but will be in the future. The Windows 95- and NT-based utility QuickSET,
which was shipped with your CSX200/400 device, can be used to conÞgure these WPIMs.
See your QuickSET documentation for more information.
NOTES The WPIM-DI and the WPIM-HDSL, which are both described later in this chapter, are
supported by the CSX200 series, though they cannot be managed via SPMA at this time.
While no speciÞc 200 device has been allocated for either of these WPIMs (i.e. 201, 202,
203), CSX200s with these WPIMs are available. Contact the Cabletron Systems Global
Call Center for more information.
All CSX200 devices use the same Þrmware and the same sysObjectID (csx-200).
Therefore, if you have two or more different CSX200 devices on your network, the only
way to tell them apart is from their WAN interfaces.

About the CSX400 2-3
Device Configuration
About the CSX400
The CSX400 supports multiple LAN options through two Ethernet ports. These
ports can be conÞgured with any combination of the following Cabletron EPIM
connections:
EPIM-A Female AUI interface with DB-15 connector
EPIM-C 10Base-2 coaxial port, BNC connectors
EPIM-T 10Base-T twisted pair port with RJ45 connector
EPIM-F1 10BaseFL multi-mode Þber port with SMA connectors
EPIM-F2 10Base-FL multi-mode Þber port with ST connectors
EPIM-F3 802.3 single-mode Þber port with ST connectors
For more information on these EPIMs, consult your hardware documentation.
The CSX400 also consists of two WAN interfaces, which can currently be
conÞgured with any combination of Cabletron WPIMs, which are described in
CSX WPIMs on page 2-4.
Applications
You can use the following SPMA applications to manage your CSX400 device:
Bridge View
The Bridge View application is described in Chapter 3, CSX Bridge View. The
Bridge View allows you to conÞgure bridging and Þltering parameters, and to
view statistics on your CSX400 bridge.
Router Configuration
The Advanced and Basic Router ConÞguration applications are both detailed in
your SPMA Routing Services ConÞguration Guide. Through Basic ConÞguration
you can set and view routing parameters on each port. With Advanced
ConÞguration you can conÞgure static routes and secondary addresses, monitor
and control routing tables, and apply network security measures using access
control lists.
WAN Configuration
Chapter 4, CSX WAN ConÞguration, describes this application in detail. With the
CSX200Õs WAN ConÞguration window, you can set wide-area protocols and
conÞgure those settings, as well as conÞgure the WPIM installed on your device.
RMON Configuration
The RMON application must be purchased separately, and is documented in its
own UserÕs Guide.

Device Configuration
2-4 CSX WPIMs
WAN Redundancy
For a redundant wide-area connection, one of the WAN interfaces on your
CSX400 can be conÞgured as a primary link, with the other interface designated
as the backup. If the primary link should fail for some reason, the other WAN
interface will take over as the wide area link until the primary is restored.
When a WPIM-S/T is installed as the backup interface, that connection will
activate and provide an ISDN connection to the wide area network, if the primary
WAN link fails. The ISDN WPIM can also provide backup for single or multiple
Data Link Connection Interfaces (DLCIs). If a leased line loses a DLCI or a remote
ofÞce, for example, the WPIM-S/T will restore a 64K connection for that site while
the rest of the connections remain on the leased line. For more information on
WAN redundancy and the WPIM-S/T, consult your QuickSET documentation or
your hardware documentation.
CSXWPIMs
The following Cabletron WPIMs provide WAN connectivity for the CSX400,
HSIM-W84, and the CSX200 series. Note that currently only the WPIM-SY and
WPIM-T1 can be managed on a CSX with SPMA. For all other WPIMs,
conÞguration can be done with the QuickSET application that was shipped with
your device. Consult your QuickSET documentation for more details.
Chapter 4, CSX WAN ConÞguration, describes how to conÞgure the T1 and
synchronous WPIMs, including Frame Relay and PPP protocol conÞguration. If
there is a speciÞc device from the CSX200 series that supports the WPIM, it is
noted below. Otherwise, the WPIM can be special-ordered and installed in a
general CSX200 (contact the Cabletron Systems Global Call Center for more
information).
WPIM-DDS DDS is Digital Data Services, a digital network that
supports data rates of 56Kbps or 64Kbps. The DDS
NOTE If you are using SPMA in a stand-alone mode or in conjunction with the SunNet
Manager or Solstice Enterprise Manager platforms, the RMON option will be available
for your CSX400, whether or not you have purchased the RMON application module. If
you are using SPMA in conjunction with HP Network Node Manager or IBM NetView
AIX, however, the RMON option will only appear when the module has been purchased
and installed.
NOTE The WPIM-S/T is designed for WAN ISDN redundancy only and is not intended to be
used for a primary WAN connection at this time.

CSX WPIMs 2-5
Device Configuration
service provides users with dedicated, two-way
simultaneous transmission capabilities operating at
transfer rates up to 64 Kbps. This WPIM comes with a
built-in CSX/DSU. (CSX203)
WPIM-DI The DI (Drop-and-Insert) WPIM provides a T1 interface
through a front-panel RJ45 port and includes a built-in
CSU/DSU for direct connection to a T1 line. The WPIM-
DI provides Full T1 or Fractional T1 using 56 or 64 Kbps
Time Slots. It also provides a second Drop-and-Insert
interface that allows more than one device, such as a
PBX, to share a single T1 connection. (CSX201)
WPIM-E1 This WPIM provides an E1 interface through a front-
panel RJ-45 port and includes a built-in CSU/DSU for
direct connection to an E1 line. This WPIM provides Full
E1 or Fractional E1 using 56 or 64 Kbps Time Slots with a
total throughput of up to 2 Mbps. Time Division
Multiplexing (TDM) allows for the channelization of up
to 31 links of a single physical interface. (CSX201)
WPIM-HDSL This WPIM is designed for campus environments and
provides a connection for sending LAN trafÞc over
existing telephone lines at rates up to 1.544Mbps. It can
communicate reliably up to a distance of 12,000 feet over
Unshielded Twisted Pair (UTP) cabling.
WPIM-S/T For the CSX400 only. This WPIM provides an ISDN 128
Kbps Basic Rate Interface (BRI) and is designed for an
ISDN back-up link for a frame relay or leased line. In the
United States and Canada, Network Terminator
equipment (NT1) is required to provide an interface
between the WPIM-S/T and the ISDN line.
WPIM-SY Provides a synchronous serial connection of up to 2.048
Mbps to external communications equipment (an
external CSU/DSU is required). For the CSX202. The
following electrical interfaces are supported. An external
CSU/DSU is required (consult your hardware
documentation for cable pinout information):
EIA-RS449
V.35
EIA-RS232D
X.21
EIA-RS530
EIA-530A
RS530 ALT A

Device Configuration
2-6 CSX WPIMs
RS530A ALT A
WPIM-T1 Provides a T1 interface through a front-panel RJ45 port
and includes a built-in CSU/DSU for direct connection to
a T1 line. The WPIM-T1 provides both Full T1 or
Fractional T1 using 56 or 64 Kbps Time Slots, with a total
throughput of up to 1.544 Mbps. Time Division
Multiplexing (TDM) allows for channelization of up to 24
links over a single physical T1/FT1 interface. CSX201
WPIM-T1/DDS This WPIM provides both a T1 and DDS interface that
allows you to easily switch between the two interfaces by
changing the physical cabling and reconÞguring the
desired interface with either QuickSET or SPMA.
Currently, however, SPMA does not support a DDS
interface on a CSX device.
For more information on these WPIMs, consult the appropriate hardware
documentation or your QuickSET documentation.