Cisco HyperSwitch A100 User manual

cIscoSYsTEMs

Cisco
HyperSwitch
Al
00 User Guide
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This
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The
Cisco implementation of TCP header
compression
is an
adaptation
of
program developed by
the
University of Califomia Berkeley
UCB as
part of
UCBs
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domain version of the UNIX
operating system
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NTP Copyright 1992 David
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Copyright 1989 Carnegie-Mellon University
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tn3270 curses
and termcap programs developed by
the
University of Califomia Berkeley
UCB
as
part of
UCBs
public
domain version of the UNIX
operating system
All
rights
reserved Copyright
1981-1988 Regents
of the
University of
Califomia
Cisco incorporates Fastmac software in some Token Ring products
Fastmac software is
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XRemote is trademark of Network Computing Devices
Inc Copyright 1989 Network Computing Devices Inc
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View
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makes no
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INABILITY TO USE THIS
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Notice of Restricted
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Use duplication or disclosure by
the Government is
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set forth in
subparagraph
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Software
Restricted
Rights clause
at FAR
52.227-19
and
subparagraph
clii
of the Rights in Technical Data and Computer Software clause at DFARS
252.227-7013 The
information in this manual is
subject
to
change
without notice
Access Without
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Cisco
HyperSwitch A100 User Guide
Copyright l994
Cisco
Systems
Inc
All
rights
reserved
Printed in USA.
949R

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To be
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correction or workaround for
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in the event that license
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straight-line basis
Customer
agrees
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the error occurred Further Customer
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supply any necessary
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This Limited
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not apply to Software which
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as authorized
by
Cisco has not been installed
operated repaired
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installation
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instructions
supplied by
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subjected
to unusual
physical or electrical stress misuse negligence or accident is used in ultrahazardous activities has been used in such
way
that Cisco or its Sales
Partner cannot reasonably reproduce the
Software
error
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original country
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uplift
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misapplied
In
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event does Cisco warrant
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OF SUCH DAMAGES SOME STATES DO NOT ALLOW
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HARDWARE WARRANTY
Performance Warranty Cisco warrants to
Customer
for
period
of ninety
90 days
from the shipping
date
that Hardware
purchased
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Agreement
will be free from hardware defects in material and workmanship To be
eligible for
remedy Customer must report
all warranted
problems
within the
warranty period
to the
party that
supplied the
Product to Customer or to
the Cisco Service Partner if the Hardware was
exported
under the
multinational
uplift program
Hardware Remedies
In the event of warranted
problem
with
respect
to the Hardware Customer must
contact the place it
acquired the
Hardware or the
Cisco Service Partner
if
the
Hardware was
exported pursuant
to the multinational
uplift program
as soon as possible after
it becomes aware of the defect
Cisco or the Sales or
Service Partner
as appropriate
will
supply replacement parts
for the products listed in Ciscos recommended
spares
list
Replacement
parts
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within five working days
after receipt of Customers
request Cisco
or
its Sales
or
Service Partner will bear the cost for
shipment
of advance
replacements
to Customer Customer must
return all defective boards and
assemblies
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assemblies to Cisco or the Sales or Service Partner
in accordance with the then-current return material authorization RMA
procedures Ciscos
sole and
exclusive
obligation with respect
to
defective Hardware will
be
at Ciscos
option
and
through Sales
or
Service Partner if
necessary
to either
provide
advance
replacement
service as described above ii replace the
Product with Product that does not contain the defect or iii
refund the
price
paid
for the
Hardware less
depreciation calculated
on straight-line basis
Exclusions The above
warranty
does
notapply
to
any
Product
which has been
altered except as authorized by Cisco
has not been installed
operated
repaired or
maintained in accordance with
any
installation handling maintenance
or
operating
instructions
supplied by
Cisco has
been
subjected
to
unusual
physical or electrical stress
misuse negligence or accident 4is
used in ultrahazardous
activities
has been used in such
way
that
Cisco
cannot reasonably
reproduce
the Software
error or
has been
exported
from the
original country
of destination without
payment
of an
uplift
In
no
event
does Cisco warrant
that Customer will be able to
operate
its networks
without
problems
or interruptions
DISCLAIMER TIllS WARRANTY IS IN LIEU OF AND CISCO DISCLAIMS ALL
OTHER WARRANTIES AND
CONDiTIONS
EXPRESSED OR
IMPLIED INCLUDING
ThOSE OF MERCHANTABILITY NONINFRINGEMENT AND
FITNESS FOR PARTICULAR PURPOSE
CONSEQUENTIAL DAMAGES
IN NO EVENT SHALL CISCO OR
ITS SUPPLIERS BE LIABLE FOR ANY
INDIRECT SPECIAL
CONSEQUENTIAL OR
INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION
LOST PROFITS OR LOSS OR DAMAGE TO DATA
ARISING OUT OF THE USE OR INABILITY TO USE THIS CISCO SOFrWARE EVEN
IF CISCO I-lAS BEEN ADVISED OF ThE POSSIBILITY
OF SUCH DAMAGES SOME STATES DO NOT ALLOW LIMiTATION OR EXCLUSION OF
LIABILITY FOR CONSEQUENTIAL OR
INCIDENTAL DAMAGES

TABLE
OF CONTENTS
About This Guide xiii
Document
Objectives
xiii
Audience xiii
Document
Organization
Document Conventions
xlii
xiv
1-2
1-4
Chapter
HyperSwitch
A100 Overview 1-1
Interface
Types
1-1
Specifications
and Product
Compliance
HyperSwitch
A100 Features 1-4
Applications
and Network Architecture
Broad Interface
Support
1-6
System
Software
Types
1-7
Online
System
Software 1-7
The Boot Program 1-8
Connection Control 1-8
Signaling Control 1-9
Standards Supported 1-9
Functional Overview 1-10
Cell
Switching Function 1-10
Traffic Control Function 1-11
Policing Control
1-11
Congestion
Control
1-11
Priority
Control 1-12
Connection Control 1-12
Setting Fixed
Paths 1-12
Setting
Switched Path 1-12
NMS Interface 1-12
Chapter
Installing
the
HyperSwitch
A100 2-1
Installation Environmental Conditions 2-1
Confirming the
Contents of the
Shipping
Container 2-2
Containers 2-2
Contents List 2-2
Required Equipment
for
Installation
2-2
Main Unit Parts 2-4
Opening
the
Cover
2-6
Setting
Switches
on
Cards and Boards
2-9
DIP
Switches 2-9
Jumper
Switches 2-9
Short Bars 2-11
Preparing
to
Install LINF Cards 2-13
Table of Contents

Installing
LINF Cards 2-14
Replacing
the Front Panel 2-15
Closing the
Cover 2-15
Installing
the Optional Rack Mount 2-16
Connecting Optical
Cable to
an
LINF Card 2-17
Connecting
the Console Terminal 2-18
Connecting
to the NMS
2-19
Connecting
the Power
Supply
2-20
Setting
Communications
Software Parameters 2-21
Setting System Configuration
Data 2-22
Powering on
the
HyperSwitch
A100 2-22
Data
Setting
Procedure 2-23
Basic Command
Input
2-23
NMS-Related Information Input 2-40
Saving Configuration
Data 2-45
Leaving Privileged
Mode 2-45
Resetting the HyperSwitch
A100 2-46
Disconnecting
the Console Terminal 2-46
Chapter Maintaining
and
Upgrading
the
HyperSwitch
A100 3-1
Adding
LINF Card
3-i
Required Equipment
for
Adding
LINF Card 3-1
Opening
the Chassis 3-2
Instructions on
Adding
LINF
Card 3-2
Replacing
the Chassis Cover 3-3
Setting
Communications Software Parameters
3-3
Setting System Configuration
Data 3-3
Checking
the Configuration 3-6
Adding
Devices 3-6
Required Equipment
for
Adding
Devices
3-6
Adding
Another Hyperswitch A100 or Device 3-7
Connecting HyperSwitch
A100
Designated as
Master 3-7
Connecting
Another Device
Designated
as Master 3-9
Setting
Communications Software Parameters 3-11
Setting System
Configuration
Data 3-li
Replacing
LINF Card 3-11
Required Equipment
to
Replace
LINF Card 3-11
Replacing
LINF Card Procedure 3-li
Setting
Communications Software Parameters 3-14
Setting System
Configuration
Data 3-14
Verifying
LINF Card Installation 3-18
Read-Only Memory Upgrade
3-18
Required Equipment
for
Upgrading
ROM 3-18
ROM
Upgrade
Procedure 3-19
Setting
Communications Software Parameters 3-20
Verifying
Console Terminal Settings After
Upgrading
the ROM 3-20
Software
Upgrade
3-21
Required Equipment
for
Upgrading
Software 3-21
vi Cisco
HyperSwitch
A100 User Guide

Upgrading
Software 3-21
Setting
Communications Software Parameters 3-23
Verifying Operation
After
Upgrading
Software 3-23
Moving Equipment
3-23
Chapter Software Configuration
4-1
Command
Groups
4-1
Command
Entry
Format
4-1
Using
Online
Help
4-2
User Commands 4-4
show alarm 4-5
show
atmsig 4-6
show boot 4-7
show clock 4-7
show count 4-8
show interface 4-8
show line 4-9
show
mac
4-10
show pvc detail 4-10
show pvc line 4-11
show
route
4-12
show scroll 4-12
show
server
4-13
show
sscop 4-13
show
status
4-14
show
svc 4-15
show svcline 4-16
show time 4-16
show
tparam 4-17
show traffic 4-17
show version 4-18
enable 4-18
show 4-19
scroll 4-19
Privileged
Commands 4-20
show network 4-21
exit 4-22
passwd
4-23
pvc add
4-24
PVC
delete 4-25
PVC
establish 4-26
PVC
remove 4-28
route add 4-29
route delete 4-30
route flush
4-31
save 4-31
set
atmsig
4-31
set boot 4-33
set
clock 4-33
Table of Contents vii

set interface 4-34
set line 4-35
set
server
4-35
set
sscop 4-36
set svcline 4-37
set time 4-37
set
tparam 4-38
NMS-Related
Privileged
Commands 4-39
set
local 4-39
set mib
4-40
set nms
4-40
set nmsroute
4-41
Procedures for
Changing
the
System
Configuration
4-42
Setting
Date and
Time 4-42
Setting
and
Changing
PVCs 4-43
Unidirectional and
Bidirectional 4-43
Multicast 4-44
Setting
and
Changing
SVCs
4-47
Changing
the Password
4-48
Maintenance and
Troubleshooting
4-49
Fault Detection 4-49
Diagnostics
4-50
Troubleshooting 4-51
Alarms 4-51
Operational Faults
4-53
Error
Messages
4-54
Chapter Troubleshooting 5-1
Troubleshooting
Configuration
Data
Settings 5-1
Displaying
Alarms 5-1
Testing
the Line Interface Alarm Status of the Installed LINF
Cards 5-1
Alarms 5-2
Operational Faults 5-4
Appendix
Abbreviations A-i
Appendix
Functions of the
Expandable
ATM
Output
Buffer Modular Switch B-i
MUX/DMUX
B-i
ATOMSW
B-4
ATOMSW Cell
Switching Function
B-4
ATOMSW
Congestion
Control B-4
ATOMSW
Priority
Control B-S
Index
viii Cisco
HyperSwitch
AiOO User Guide

LIST OF FIGURES
ATM
Building or Campus
Backbone 1-5
Multiple
Switch Backbone Network 1-5
Core Network Design 1-6
Redundant Network Design 1-6
Traffic Measurement Period Formula 1-11
HyperSwitch
Al00 Front Panel
Layout
2-4
HyperSwitch
A100 Rear Panel
Layout
2-5
HyperSwitch
A100 Internal View 2-5
Expanded
Internal View Motherboard 2-6
PROC Card Panel
Layout
2-7
HyperSwitch
A100 Bottom View
2-7
Sliding
the
HyperSwitch
A100 Cover 2-8
Lifting
the
HyperSwitch
A100 Cover 2-9
BCONV Card DIP Switches 2-10
Motherboard Jumper Switches 2-11
0C3 LINF Card Jumper Switch 2-12
PROC Card Short Bars
JP1-JP11
2-12
PROC Card Short Bar
Settings
2-13
Installing
LINF Card 2-15
Screw Locations Seen from the Reverse Side of the Cover 2-16
Attaching
Rack Mount Installation Fixture 2-17
Fastening
the
HyperSwitch
A100 to the Rack Mount 2-17
Single-Core
and Two-Core Cable 2-18
EIA/TJA-232 Cable Connectors 2-19
Console Terminal
to
HyperSwitch
A100 Connection
2-19
HyperSwitch
A100 to
Console Terminal and NMS
Connection 2-20
Initial Installation
Data
Setting
Procedure
Part
2-23
Initial Installation
Data
Setting
Procedure
Part
2-24
Interdevice Connections
HyperSwitch
A100
as
Master
3-8
Interdevice Connections
Another
Device
as
Master 3-10
Removing
the Screws
Securing
the LINF Card
3-12
Replacing
LINF Card Data
Setting
Procedure
Flowchart
Part
3-15
Replacing
LINF Card Data
Setting
Procedure
Flowchart
Part
3-16
ROM
Integrated
Circuit
Chips
Positions 3-20
Figure
1-1
Figure 1-2
Figure 1-3
Figure 1-4
Figure 1-5
Figure
2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 2-6
Figure 2-7
Figure 2-8
Figure 2-9
Figure
2-10
Figure
2-11
Figure
2-12
Figure
2-13
Figure
2-14
Figure
2-15
Figure
2-16
Figure
2-17
Figure
2-18
Figure
2-19
Figure
2-20
Figure
2-21
Figure
2-22
Figure
2-23
Figure
3-1
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-5
Figure 3-6
List of
Figures
ix

Figure
5-1 OPE LED Fault Procedure Flowchart
5-6
Figure
B-i ATOMSW Block Diagram B-2
Figure
B-2 MUX/DMUX Card Block Diagram B-3
Figure
B-3 ATOMSW Block Diagram B-5
Figure
B-4 ATOMSW
Output-Buffer
Threshold Values B-6
Cisco
HyperSwitch
AiOO User Guide

LIST OF TABLES
Interface
Types
1-1
HyperSwitch
A100 ATM Switch
Specifications 1-2
HyperSwitch Physical Specifications 1-2
HyperSwitch
Al00
Regularly Compliance
1-3
Supported ITU-T Recommendations
1-9
LINF Card Mounting Positions 2-14
User Commands 4-4
Alarm
Messages
4-5
Privileged
Commands 4-20
Setting
Date and Time Procedure 4-42
Setting Up PVC
Procedure 4-43
Changing
PVC Procedure 4-44
Setting Multicast
PVC
Procedure 4-45
Deleting
PVC
Endpoint
or Multicast
Connection Procedure 4-46
Setting
PVCs Procedure 4-47
Deleting
SVC Routes or Entire
Routing
Table Procedure 4-48
Changing
the Password Procedure 4-48
Routine Maintenance Tasks 4-49
HyperSwitch
A100 LED
Descriptions
4-50
Clearing
Alarms Procedure 4-51
Error
Messages
4-54
Clearing
Alarms Procedure 5-2
Buffer
Numbering
5-4
Abbreviations A-i
Conditions in Which FIFO
Queues are
Served B-3
Table 1-1
Table 1-2
Table 1-3
Table 1-4
Table 1-5
Table 2-1
Table 4-1
Table 4-2
Table 4-3
Table 4-4
Table 4-5
Table 4-6
Table 4-7
Table
4-8
Table 4-9
Table 4-10
Table 4-11
Table 4-12
Table 4-13
Table 4-14
Table 4-15
Table 5-1
Table 5-2
Table A-I
Table B-i
List of Tables xi

xii Cisco
HyperSwitch
AiQO User Guide

About
This
Guide
This section discusses the objectives
audience
organization
and conventions of the
Cisco
HyperSwitch
A100
User Guide
Use this
publication
to install and maintain the
Cisco
HyperSwitch
100
Document
Objectives
This publication contains the initial site
preparation installation
troubleshooting
and selected
upgrade
and maintenance
procedures
Audience
This publication is for the router
installer
who should be familiar with electronic
circuitry
and
wiring
practices
and have
experience
as an
electronic or electromechanical
technician
For software configuration information refer to the appropriate software publication
Note To order
UniverCD
Ciscos online
library
of
product
information
on CD-ROM or printed
publications
refer to
Ordering
Cisco
Documentation which
is included in
your warranty package
Document
Organization
The
major
sections of this
publication
follow
Chapter HyperSwitch
A100
Overview
contains
an
overview of the
HyperSwitch
A100
features and
physical specifications
Chapter Installing
the
HyperSwitch
Al00
includes safety
recommendations
tools and
equipment
site
requirements
console
port
cable connection
considerations
network connection
considerations
and instructions for
inspecting the
new
system
Chapter
Maintaining
and
Upgrading
the
HyperSwitch
A100
instructs
you
on
making
external connections
Chapter
Software
Configuration
includes instructions for software configuration following
the initial installation
Chapter
Troubleshooting provides
procedures
for
identifying system
errors
About This Guide
xiii

Document
Conventions
Appendix
Abbreviations
explains
initialisms and
acronyms
related to
the product
Appendix
Functions of the
Expandable
ATM
Output
Buffer Modular
Switch
describes
details of the
expandable
ATM
output buffer
modular switch
Document Conventions
This manual
uses
the following
conventions to
convey
instructions and information
Command
descriptions
use these
conventions
Commands and
keywords
are in boldface
font
Variables for which you
supply
values are
in
italic
font
Elements in
square brackets
are
optional
Alternative but required
keywords
are grouped
in braces and are
separated by
vertical bar
Samples
use these conventions
Terminal sessions are printed
in
screen
font
Information
you
enter is in boldface screen
font
Nonprinting characters are
shown in
angle brackets
Information the
system
displays
is in
screen font with
default
responses
in
square brackets
Note Means reader
take
note
Notes contain
helpful
suggestions or references
to
materials not
contained in this manual
Timesaver Means the described
actions
saves
time You
can save
time
by performing the action
described in the
paragraph
Caution
Means reader be
careful
You are
capable
of
doing something
that
might
result in
equipment
damage or loss of
data
Warning
Means
danger
You are in situation that
could
cause
bodily injury
Before
you work
on
any
equipment
be
aware
of the hazards involved with electrical
circuitry
and standard
practices
for
preventing
accidents
xiv Cisco
HyperSwitch
A100 User Guide

CHAPTER
Interface
Types
HyperSwitch
Al
00 Overview
The Cisco
HyperSwitch
A100 is
desktop Asynchronous
Transfer Mode
ATM
switch used to build
Broadband-Integrated Services Digital
Network
B-ISDN
The
HyperSwitchAlOo
supports up
to
16 ATM lines of 155
Mbps
megabits
per
second
data
speed
The
HyperSwitch
A100 features
an input
and
output buffer-type switch
that
provides
an
aggregate
throughput
of 2.4
gigabits per
second
Gbps 155
Mbps
16
The
HyperSwitch
Al00
complies
fully
with the ATM Forum ATM User-Network
Interface Specification Version 3.0 9/10/1993
International Telecommunication Union Telecommunication Standardization Sector
ITU-T
and
European Telecommunications
Standards Institute
ETSI specifications
and recommendations
The switch
core
called the
expandable
ATM
output-buffer
modular switch
XATOMSW
features
large-capacity buffering
to
guarantee quality
of service in
handling
multimedia traffic
Because one
line interface card serves
one line
adding
and
changing
the line
terminating function
can occur on
per-line
basis
Different interface types can be
mixed
on
the
HyperSwitch
A100 used as either
backbone
workgroup or
WAN access switch
Table 1-1 lists the interface types
that will be available as
standards mature
Table 1-1 Interface
Types
Physical Layer
Data Rate Media Connector
STS3c/STM1
155
Mbps
Multimode fiber1 SC
TAXI 4B/5B 100
Mbps
Multimode fiber2 MIC FDDI
style
STS3c/STM1 155
Mbps Single-mode
fiber
SC
STS3c/STM1 155
Mbps UTP-5
RJ-45
STS1 51
Mbps UTP-3
RJ-45
DS3 45
Mbps
coaxial cable BNC
E3
34
Mbps
Coaxial
cable
BNC
62 .5/125 or 50/125 graded index
GI optical
fiber
Light wavelength
is
1.3 micrometer band
Optical allowable
loss is 7dB
2.62.5/125 or 50/125 graded index
optical
fiber
Light wavelength
is 1.3 micrometer
band
Optical allowable
loss is dB
HyperSwitch
A100 Overview 1-1

Specifications
and Product
Compliance
Specifications
and Product
Compliance
Table 1-2 lists the
HyperSwitch
A100 ATM
switch specifications
Component
Switch architecture
Switch
capacity
Buffer
Cell
delay
Control
processor
Path
Setting
Specification
Input
and
output
buffer
type
2.4
Gbps 155 Mbps
16
Input
buffer
2048 cells
per
two
lines
Output
buffer
128 cells
per
two
lines
20 microseconds to milliseconds
Internal 32-bit Reduced Instruction
Set Computing
RISC
processor
4096 channels
per
line
VP/VC routing supported
All 12 bits of VPI
Lower
12-x
bits of 16 bits of VCI
PVC
fixed
path automatically set per
PVC information
Multicast connectable
Can be added/changed from external terminal
SVC
switched path
SNMP
EIA/TIA-232
Peak
rate can be
set per channel
Specification
Height
165 mm
approximately
1/2
in
Width 435 mm
approximately
17 1/8
in
Depth
420 mm
approximately
16 5/8
in
General 15
kg approximately
33
lb
Fully equipped
17
kg approximately
37 1/2
lb
Table 1-2
Device
Switch
HyperSwitch
A100 ATM Switch
Specifications
Control
system
Number of concurrent connectable
channels
NMS Interface
MAT interface
Traffic
Policing
control
Control
Congestion
control Back
pressure output
line switch input line
Priority
control Cell loss Two
levels
Cell
delay
Two levels
Line Maximum line
speed 155 Mbps
per
line
Maximum number of lines
per
16 lines
switch
Line interface
types
SONET OC3/SDH STM1
155 Mbps
4B/5B
TAXI
FDDI
100 Mbps
Table 1-3 lists the
HyperSwitch
A100
physical specifications
Table 1-3
HyperSwitch
AlDO
Physical Specifications
Item
Dimensions
Weight
1-2 Cisco
HyperSwitch
A100 User Guide

Specifications
and Product
Compliance
Agency/Specification
UL1950
USA
CSA 22.2-950
Canada
EN 60950
Europe
EN 41003
Europe
BABT
United Kingdom
AUSTELAS3260
and
ASTOO1 Australia
FCC Part
15
Class
USA
EN 55022
CISPR-22
Class and
Europe
YDE 0878 Part and
30
Class
Germany
NFC 98020
France
VCCI Class and
Japan
IEC
801-2
ESD
up
to 15 kY
IEC 801-3RFI 10 V/m
IEC 80
1-4
Electrical Fast
Transients
Level
IEC
801-5 Surge Level
TEC 801-6
NFC 98020
Item Specification
Power
Input
110
or
85 to
132
VAC at 7A
220
or
170 to
264
VAC at 3.8A
Output
12 VDC at 60A
Power
consumption
400W maximum
Cooling
Forced
cooling
Recommended
operating
64
18
to 86
30
temperature
Operating
temperature
41 to 104
40
range
Recommended
operating
30% to 60%
humidity
Operating humidity range
10% to 80%
The
HyperSwitch
A100 conforms to
product
criteria in Table 1-4
Table 1-4
HyperSwitch
A100
Regularly Compliance
Product
Compliance
Safety
EMI1RFI
Immunity
HyperSwitch
A100 Overview 1-3

HyperSwitch
A100 Features
Product
Compliance Agency/Specification
Power/Environment IEC 555-2
Power Factor Correction
over 400W
IEC 555-3AC
Input Transients
Audible Noise 1S07779 Paragraph
max 50 dBa
IEC 68-2-6 Vibration
IEC 68-2-27 Shock
IEC 68-2-31
Drop
Operating
altitude
500 feet to
10000
feet
Nonoperating
altitude
1000
feet to 30000
feet
HyperSwitch
Al 00 Features
The
HyperSwitch
A100
provides the following features
Modular
support of up
to sixteen
155-Mbps
ATM interfaces
ATM
interfaces of
any physical
layer type
can be added
in modular
fashion
as needed
Fully nonblocking 2.4-Gbps
input/output buffer type switch
fabric with minimum of
1000 cells of
virtual
output buffering per port
Supports
all ATM
Adaptation Layers
AAL through
AAL and traffic
types
Supports
two
priority queues
for cell
delay
one for
delay
sensitive traffic and
one
for
delay
tolerant traffic Cell
loss
priority
is
supported
by configurable buffer threshold parameters
Full
integrated support
for multicast traffic with no
throughput degradation
The
HyperSwitch
Al00
supports
both
permanent
virtual
circuits
PVCs
and Switched virtual
circuits
SVCs
Supports
virtual channel
VCI
virtual
path
VPI point-to-point
and
point-to-multipoint
connections and eliminates single points of
failure
through fully integrated support
for ATM
Forum UNT
V3.0
based on
Q.SAAL1
Service
Specific
Connection-Oriented
Protocol
SSCOP
of ITU-T Study Group
11
Document
DT/l 1/3-28 and ITU-T Recommendation
Draft
Q.93B
May
1993
Supports
up
to 4096 ATM
point-to-point
connections
per
interface and 1024
point-to-multipoint
connections
per switch
Allows construction of multiswitch
networks
using
emerging
P-NNI standards
Applications
and
Network Architecture
The
HyperSwitch
A100 is
designed primarily
for
constructing
ATM
campus backbone
networks
see Figure 1-1
that connect number of ATM
routers multilayer
switches
and
high-performance
servers
into router
cluster ATM routers allow
existing
LANs to be interconnected across
ATM
backbones while
paving
the
way
for new
applications
such
as
virtual LAN
internetworking
1-4 Cisco
HyperSwitch
A100 User Guide

Applications
and Network Architecture
Figure
1-1 ATM
Building or
Campus
Backbone
With an AlP
/h
an
AlP
router
cluster
can
scale
to
many
gigabits of
bandwidth and millions of
packets per
second to
alleviate the
congestion
on
the backbone
networks by
allowing migration
from the
existing
backbone
technologies
While router
ATM
interface module
provides
for
transparent
intemetworking
of current LAN
and
WAN
protocols across
the ATM
backbone
high-speed
servers
can also be
directly
connected to the
HyperSwitch 100
linking
with
desktop
clients
on
multilayer
switches through virtual LAN
protocols
As network backbones increase in
size multiple
switches
can
be interconnected
to
increase the scale
and
port density of the
backbone ATM
routing protocols
such
as
the Private
Network-to-Node
P-NNI
protocol
currently being developed by
the ATM Forum will be used
to
facilitate the
construction of these
large-scale
ATM backbone networks
See Figure 1-2
Figure 1-2 Multiple
Switch Backbone Network
The
HyperSwitch
A100
can
also be used
to
build
core and WAN
access networks
supporting
heterogeneous
mixture of
cell
packet
and TDM
trunk interfaces
See Figure 1-3
With the
HyperSwitch
A100
as
the
core interconnect
ATM
routers can be used to
support the packet
WAN
and LAN
interfaces while
ATM service multiplexers
can
support
voice and video interfaces In this
way
flexible solution
can
be
deployed
With
an AlP With an AlP
Co
cJ
With
an
AlP
HyperSwitch
A100 Overview 1-5