Table of Contents

index

A

AAL

in ATM reference model     1-12

service-dependent (table)     1-14

anycast signaling     2-4

ATM

addressing     1-12, 2-4

cell format     1-2, 1-4

description     1-1

device types     1-2

fundamentals     1-2

network interfaces     1-3, 3-2  to 3-6

physical interfaces     1-15  to 1-16

services     1-5

signaling     2-1

switch operation     1-9

virtual connection types     1-5

ATM adaptation layer. See AAL

ATM addresses

ATM switch router     2-6

autoconfigured scheme     2-7

automatic assignment for LANE components     6-11

components     2-4

formats

choosing     2-6

DCC     2-6

default     2-8

E.164     2-6, 2-11

figure     2-5

ICD     2-6

global uniqueness     7-15

ILMI     2-7, 2-9

ILMI address considerations     2-9

LANE     2-10

LANE templates     6-11

manually configured     2-10

obtaining     2-17

PNNI

autoconfigured     2-10

autoconfigured for single-level     7-13

hierarchical nature     7-15

planning     7-15

scalability     7-16

used by     2-7

registered     2-17

SVCs     1-12

See also E.164 addresses

ATM Address Resolution Protocol. See ATMARP

ATMARP

and ILMI     2-10

and RFC 1577     5-3

ATM network interfaces

autoconfiguration of     3-1

example     3-2

IISP     3-5

NNI     3-4

UNI     3-3

ATM reference model

ATM adaptation layer (AAL)     1-12

ATM layer     1-11

figure     1-11

OSI model     1-11

physical layer     1-11

service-dependent AAL     1-14

ATM switch router

default address     2-6

inband management of

overview     5-8

PVCs with InATMARP     5-10

PVCs with static address mapping     5-10

SVCs with ATMARP     5-9

SVCs with static address mapping     5-10

LANE requirements     6-12

traffic management capabilities     10-1

autoconfiguration

ATM address

format     2-7

ATM addresses

PNNI, single-level     7-13

interface types     3-1

B

best-effort connection limits     10-11

broadcast-and-unknown server. See BUS

BUS

connection setup, example     6-9

function     6-4

multicast traffic, sending     6-8

C

CAC

algorithm     10-7

configurable parameters     10-8

description     10-5  to 10-6

parameter definitions     10-6

PNNI     7-7

resource management for tag switching     11-13

CAS     9-8

CDVT and MBS interface defaults     10-5

cell format

general     1-2

header     1-4

NNI format (figure)     1-5

UNI format (figure)     1-5

CES

advantages     9-10

applications     9-1

configuring

CDV     9-15

prerequisites     9-15

E1 port adapters     9-2  to 9-10

features     9-2

hard PVCs     9-18  to 9-19, 9-21  to 9-22

interworking function (CES-IWF)     9-3

limitations     9-10

on-hook detection     9-8

overview     9-1

soft PVCs     9-16  to 9-20, 9-22  to 9-27

structured services

bandwidth usage     9-20

channel-associated signaling     9-8

digital access and crossconnect system functionality     9-5

support     9-5

time slots     9-6

T1 port adapters     9-2  to 9-10

unstructured services

bandwidth usage     9-17

support     9-4

CES-IWF     9-3

channel-associated signaling. See CAS

channelized DS3 port adapter

configuration

channel groups     12-5

guidelines     12-4

overview     12-4

physical interface     12-4

T1 lines     12-4

description     12-3

channelized E1 port adapter

configuration

channel groups     12-7

guidelines     12-6

overview     12-6

physical interface     12-7

description     12-5

time slot mapping     12-5

circuit emulation services. See CES

classical IP over ATM

description     5-2

example (figure)     5-3

RFC 1577, defined in     5-3

clocking. See network clocking

closed user groups. See CUGs

complex node representation

aggregation modes compared     7-38

exception thresholds     7-37

implementation guidelines     7-38

routing accuracy of     7-36

simple node representation, compared     7-35

terminology     7-36

Connection Admission Control. See CAC

connection traffic table. See CTT

controlled link sharing     10-9

conventions     xvii

CoS

CTT rows     11-12

resource management CAC not supported     11-13

service class to weight mapping

hierarchical VP tunnels     11-10

physical ports     11-10

threshold group for TBR classes     11-11

crankback mechanism     7-8

CTT

Frame Relay to ATM interworking     12-10

row allocations and defaults     10-3

rows for tag switching virtual connections     11-12

traffic and service contract     10-3

CUGs

configuration overview     2-21

example (figure)     2-20

interlock codes for     2-19

overview     2-18

D

data rate for physical interfaces     1-15

documentation

CD-ROM     xviii

online     xvii

printed     xvii

document conventions     xvii

DS0 channels. See DS0 time slots

DS0 time slots

Frame Relay to ATM interworking

channel groups, forming     12-5

DS3 interfaces     12-3

E1 interfaces     12-5

mapping example (figure)     12-3

structured CES

example (figure)     9-6

mapping     9-6

E

E.164 addresses

autoconversion

AESA example (figure)     2-16

comparison (table)     2-14

description     2-13

ZDSP example (figure)     2-15

conversion options     2-12

encoding for PNNI     7-13

gateway translation

description     2-12

example (figure)     2-12

NSAP encoded format     2-6

one-to-one translation     2-16

signaling of     2-11

types     2-11

E1 port adapters

CES

description     9-2

structured services     9-5

time slots, example     9-7

unstructured services     9-4

time slots

CES     9-6

Frame Relay to ATM interworking     12-5

See also DS0 time slots

ELANs

address resolution in     6-7

joining     6-7

virtual LANs, compared     6-5

See also LANE

emulated LANs. See ELANs

exception thresholds     7-37

explicit paths for soft PVCs

description     4-10

PNNI     7-29

F

FIB     11-3

Forwarding Information Base. See FIB

Frame Relay to ATM interworking

channelized DS3 port adapter     12-3  to 12-5

channelized E1 port adapter     12-5  to 12-7

configuring

encapsulation     12-8

overview     12-7

serial interface type     12-8

LMI     12-8  to 12-9

network interworking     12-2

overview     12-1

resource management

configuration overview     12-9

CTT description     12-10

interface configuration overview     12-11

service interworking     12-2

virtual connections     12-11  to 12-19

framing overhead     10-14

framing type for physical interfaces     1-15

funnel signaling

description     2-21

example (figure)     2-21

G

GCAC

and PTSP exchanges     7-5

description     7-7

in call routing, example     7-8

Generic Call Admission Control algorithm. See GCAC

H

hard PVCs

structured services     9-21

unstructured services     9-18

hardware-dependent features     10-16

Hello protocol     7-5

hierarchical VP tunnels

description     4-16

restrictions     4-17

service category support     10-11

service class to TBR class mapping     11-10

I

IISP

description     3-5

example (figure)     3-5

interface configuration     3-6

routing

advantages     7-3

description     7-1

limitations     7-3

ILMI

ATM addresses     2-9

ATM address migration     2-9

autoconfiguration with     3-1

InATMARP     5-4

individual traffic parameter maximums     10-11

Integrated Local Management Interface. See ILMI

interface category support     10-11

interface output pacing     10-21

interface overbooking     10-12

interface queue thresholds per service category     10-17

Interim Interswitch Signaling Protocol. See IISP

Inverse ATM address resolution protocol. See InATMARP

L

LANE

address assignment for components     6-11

addressing requirements     6-10

address resolution     6-7

advantages     6-12

applications     6-2

assigning components     6-12

ATM addresses     2-10

broadcast-and-unknown server (BUS)     6-4  to 6-9

client (LEC)     6-4  to 6-9

components     6-4

configuration server (LECS)     6-5  to 6-11

configuring

overview     6-13

worksheet     6-15

description     6-1

example     6-8

fault tolerance     6-17

function of network devices in     6-3

implementation considerations     6-10

limitations     6-12

multicast traffic     6-8

operation     6-3

protocol stack     6-3

router and switch requirements     6-12

server (LES)     6-4  to 6-7

SSRP     6-17

VCC types     6-5

LANE configuration server. See LECS

LAN emulation. See LANE

LAN emulation client. See LEC

LAN emulation configuration server. See LECS

LAN emulation server. See LES

Layer 3 protocols over ATM     5-1  to 5-5

LEC

address resolution     6-8

connection setup, example     6-9

function     6-4

joining an emulated LAN     6-7

VCCs for     6-6

LECS

address database     6-11

function     6-5

joining an emulated LAN     6-7

LES

function     6-4

joining an emulated LAN     6-7

VCCs for     6-6

LGNs

complex node representation     7-35

configuring     7-23

description     7-10

LMI configuration

keepalive interval     12-9

LMI type     12-8

overview     12-8

polling and timer interval     12-9

Local Management Interface. See LMI

logical group nodes. See LGNs

M

map lists. See static map lists

MaxCR

in framing overhead     10-14

in interface overbooking     10-12

maximum cell rate. See MaxCR

maximum queue size per interface     10-17

MPOA

advantages     6-21

configuration overview     6-21

description     6-19

limitations     6-21

operation     6-20

multiprotocol encapsulation over ATM

description     5-2

RFC 1483, defined in     5-4

Multiprotocol Label Switching (MPLS). See tag switching

Multiprotocol over ATM. See MPOA

N

NCDP

consideration when using     8-8

description     8-6

operation, example     8-6

network clocking

CBR and VBR-RT traffic     8-1

CES     8-2

clock distribution modes     8-3

clocking modes for CES

adaptive     9-14

characteristics     9-11

description     9-11

SRTS     9-12

synchronous     9-12

clock sources

network clock module     8-5

quality     8-2

revertive behavior     8-4

configuring

manual     8-11

NCDP     8-10

definition     8-1

example     8-3

NCDP     8-6  to 8-8

overview     8-1

Network Clocking Distribution Protocol. See NCDP

network clock module

BITS derived clocking     8-6

oscillator quality     8-6

resilience     8-5

Network-Network Interface. See NNI

NNI

cell header format     1-5

configuring     3-5

example     3-4

example (figure)     3-4

nondefault PVCs

configuring     4-11

uses     4-11

well-known values     4-11

O

outbound link distance     10-10

oversubscription factor     10-16

P

peer group leaders. See PGLs

permanent virtual connections. See PVCs

permanent virtual paths. See PVPs

PGLs     7-10

physical interfaces

common (table)     1-16

description     1-15  to 1-16

media types     1-15

PNNI

aggressive aggregation mode     7-34, 7-38

ATM addresses     2-10, 7-13  to 7-17

best link aggregation mode     7-34, 7-38

CAC     7-7

call routing     7-8

complex node representation     7-35  to 7-39

crankback mechanism     7-8

database synchronization     7-5

E.164 addresses

encoding     7-13

justification     7-13

GCAC     7-7

Hello protocol     7-5

hierarchical

implementation considerations     7-12

hierarchical topology     7-9  to 7-12

higher levels

implementation considerations     7-22

LGNs     7-23

node election leadership priority     7-24

node names     7-24

overview     7-21

parent node designation     7-24

PGLs     7-23

summary addresses     7-25

LGNs     7-10, 7-23, 7-35

lowest level

ATM address     7-18

node level     7-18

overview     7-18

scope mapping     7-20

static routes     7-19

summary addresses     7-19

metrics and attributes     7-6

operation     7-8

overview     7-4

peer groups     7-10

PGLs     7-10

protocol parameters

Hello exchanges     7-39

resource management poll interval     7-40

PTSP exchanges     7-5, 7-39

reachability information     7-6

route selection tuning

background route computation     7-26

links, parallel, and alternate     7-27

manually configured explicit paths     7-29

maximum administrative weight percentage     7-28

precedence of reachable addresses     7-28

routing features     7-4

signaling features     7-4

single-level

autoconfigured addresses     7-13

configuration     7-18

when suitable     7-9

topology attributes

administrative weight     7-30

aggregation mode     7-33

aggregation tokens     7-32

route redistribution     7-32

significant change thresholds     7-34

transit call restriction     7-32

point-to-multipoint connections

ATM solutions     1-7

description     1-6

signaling     2-4, 2-21

port adapters

CES     9-2

Frame Relay to ATM interworking     12-1

Private Network-Network Interface. See PNNI

PTSP exchanges

description     7-5

tuning     7-39

PVCs

applications     4-4

configuration overview     4-5

connecting to VP tunnels     4-18

Frame Relay to ATM interworking

network interworking     12-13

service interworking     12-14

terminating service interworking     12-14

transit     12-15

nondefault well-known     4-11

point-to-multipoint     4-6

terminating     4-5

with InATMARP     5-6, 5-10

with static address mapping     5-7, 5-10

See also hard PVCs

See also soft PVCs

PVPs

network example     4-7

point-to-multipoint     4-7

Q

QoS

default objective table     10-4

parameters     1-13

parameters per service category (table)     10-2

PNNI     7-5

quality of service. See QoS

R

resource management. See traffic management

RFC 1483     5-4

RFC 1577

ATMARP mechanism     5-3

InATMARP mechanism     5-4

provisions     5-3

route optimization for soft PVCs     4-9

routing

IISP     7-1  to 7-3

PNNI     7-4  to 7-9

S

scheduler and service class     10-22

service categories

characteristics     1-14

description     1-13

table     1-13

service category limit     10-17

service category parameters     10-2

SGCP

advantages     9-29

description     9-27

operation     9-29

shaped VP tunnels

description     4-15

restrictions     4-16

signaling

about     2-1

ABR connections     2-4

anycast     2-4

connection setup     2-2

E.164 addresses     2-11

features     2-18

NNI     2-3

point-to-multipoint connections     2-4

point-to-multipoint funnel     2-21

proxy     2-4

QoS parameters     2-4

UNI     2-3

virtual UNI     2-4

signaling VPCI     4-18

Simple Gateway Control Protocol. See SGCP

Simple Server Redundancy Protocol. See SSRP

soft PVCs

advantages     2-2, 4-4

CES

configuration guidelines     9-16

structured services     9-22, 9-24, 9-26

unstructured services     9-19

example     4-8

explicit paths     4-10, 7-29

Frame Relay to ATM interworking

configuration overview     12-16

network interworking     12-17

respecifying     12-19

route optimization     12-19

service interworking     12-18

route optimization     4-9

soft PVPs

advantages     2-2, 4-4

example     4-9

SSRP

configuration overview     6-18

considerations     6-18

description     6-17

operation     6-17

static map lists

description     5-5

PVCs     5-7

SVCs     5-7

sustained cell rate margin factor     10-9

SVCs

applications     4-4

ATMARP     5-6, 5-9

static address mapping     5-7, 5-10

VPI/VCI ranges     4-11

switched virtual connections. See SVCs

T

T1 port adapters

description     9-2

structured services     9-5

time slots, example     9-7

unstructured services     9-4

Tag Distribution Protocol. See TDP

Tag Forwarding Information Base. See TFIB

Tag Information Base. See TIB

tag switching (MPLS)

advantages     11-4

components     11-2

configuring

interfaces     11-6

loopback interface     11-6

overview     11-5

routing protocol     11-6

TDP control channel     11-7

VPI range     11-7

VP tunnels     11-7

CoS     11-9  to 11-13

FIB     11-3

hardware and software restrictions     11-5

hierarchical VP tunnels     11-10

limitations     11-5

network example (figure)     11-2

operation     11-3

overview     11-1

tag edge routers in     11-2

tag switches in     11-2

TDP     11-2, 11-7

TFIB     11-3

TIB     11-3

VC merge     11-8

TDP

control channels     11-7

used by tag edge routers     11-2

TFIB     11-3

threshold groups     10-18

TIB     11-3

time slots. See DS0 time slots

traffic management

best-effort connection limits     10-11

CAC

description     10-5  to 10-6

tag switching not supported     11-13

capabilities     10-1

cell queuing     10-16

interface queue thresholds per service category     10-17

maximum queue size per interface     10-17

oversubscription factor     10-16

service category limit     10-17

threshold groups     10-18

congestion notification     10-20

controlled link sharing     10-9

Frame Relay to ATM interworking     12-9

framing overhead     10-14

hardware resource mechanisms     10-14

individual traffic parameter maximums     10-11

interface category support     10-11

interface overbooking     10-12

outbound link distance     10-10

output scheduling

interface output pacing     10-21

scheduler and service class     10-22

sustained cell rate margin factor     10-9

threshold groups

defaults     10-18

operation     10-19

traffic and service contract

CDVT and MBS interface defaults     10-5

configurable parameters     10-3

connection setup     1-13

CTT     10-3

default QoS objective table     10-4

service category parameters     10-2

traffic policing     10-15

traffic shaping     10-21

UPC

default behavior     10-15

default CDVT and MBS     10-16

purpose     10-15

traffic parameters     1-13

traffic policing     10-15

traffic shaping     10-21

U

UNI

autoconfiguration with ILMI     2-7, 3-1

cell header format     1-4

configuration     3-3

example (figure)     3-3

signaling     2-3

specifications     2-3

virtual     4-18

UPC     10-15

Usage Parameter Control. See UPC

User-Network Interface. See UNI

V

virtual channel identifier. See VPI/VCI

virtual connections

applications     4-4

autoconfigured parameters     4-3

components     4-2

Frame Relay to ATM interworking

characteristics     12-12

configuration overview     12-11

configuration prerequisites     12-12

PVCs     12-13  to 12-16

soft PVCs     12-16  to 12-19

point-to-multipoint     1-6

supported types (table)     4-3

transit and terminating     4-2

types     1-5, 4-2

See also PVCs

See also PVPs

virtual path. See VP switching and VP tunnels

virtual path identifier. See VPI/VCI

virtual UNI

signaling     2-4

signaling VPCI     4-18

voice over ATM

with CES     9-1

with SGCP     9-27

VPI/VCI

purpose     1-6

ranges for SVPs and SVCs

description     4-11

maximum (table)     4-12

VP switching

description     1-9

figure     1-9

VP tunnels

between source and destination switches (figure)     11-8

CES through     9-22

example (figure)     4-14

general description     4-13

PVC connection to     4-18

signaling VPCI     4-18

single service category     4-14

tag switching on     11-7

types     4-14

See also hierarchical VP tunnels

See also shaped VP tunnels

W

well-known PVCs

nondefault     4-11

well-known virtual channels (table)     4-11