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Index: Cisco IOS Interface Configuration Guide, Release 12.1

Symbols   Numerics   A   B   C   D   E   F   G   H   I   K   L   M   N   O   P   Q   R   S   T   U   V   W   X

Symbols


? command     xxi

Numerics


100VG-AnyLAN port adapter
configuring     IC-33
examples     IC-63

10Base-T     IC-27

A


abbreviating commands
context-sensitive help     xxi

access-list command     IC-53

alarms and errors on T1 line     IC-11

AMI line
ones density     IC-119

AppleTalk
RTMP
broadcasting packets     IC-155
tunneling     IC-155
across IP-only backbone (example)     IC-161
across IP-only backbone (figure)     IC-162
definition     IC-155
GRE     IC-159

appletalk cable-range command     IC-159
tunneling AppleTalk using GRE     IC-159

AppleTalk network address caution     IC-159

APS
alarm reporting     IC-117
BER thresholds     IC-117
configuration     IC-115
configuration options     IC-116
examples     IC-139
monitoring     IC-117
protect interface     IC-116
working interface     IC-116

aps authenticate command     IC-116

aps force command     IC-116

aps group command     IC-117

aps lockout command     IC-117

aps manual command     IC-117

aps protect command     IC-116

aps revert command     IC-117

aps timers command     IC-117

aps unidirectional command     IC-117

aps working command     IC-116

asynchronous host mobility     IC-160

asynchronous host roaming (example)     IC-160

Asynchronous Transfer Mode-Data Exchange Interface
See ATM-DXI

ATM-DXI
encapsulation     IC-73

atm-dxi map command     IC-71

Automatic Protection Switching of Packet-over-SONET Circuits
See APS

automatic receiver polarity reversal
enabling     IC-45

auto-polarity command     IC-45

B


bandwidth command     IC-7

BERT
testing     IC-102

BERT/TDM Enhancements for Cisco AS5300 8PRI/4T Cards
configuring     IC-102
description     IC-111
example
BERT profile configuration     IC-136
E2-clockrate configuration     IC-136
verifying configuration     IC-102

BGP
sessions staying up     IC-153

binary synchronous communications
See Bisync

Bisync
specifying primary and secondary roles     IC-74

bit control
setting for FDDI     IC-42

bit-error rate testing
See BERT

Border Gateway Protocol
See BGP

C


cablelength command     IC-92

carrier protocol
tunneling     IC-154

cautions
AppleTalk network address     IC-159
Cayman tunnel     IC-159
clear service-module command     IC-14
enabling CEF/dCEF     IC-35
FEIP2-DSW-2FX interfaces     IC-26
MTU caution     IC-8, IC-112
port-channel interface     IC-36
usage in text     xvii

Cayman encapsulation protocol     IC-154

Cayman tunnel caution     IC-159

CCO
accessing     xvii
definition     xvii

CEF/dCEF enabling caution     IC-35

channel-group command     IC-36

channelized T3
configuring CT3IP     IC-90
description     IC-89
See also T3

Channelized T3 Interface Processor
enhancements     IC-89
See also T3

Channelized T3 Support for the Cisco AS5800
configuring     IC-91
T3 configuration
verifying     IC-100
typical CT3IP configuration example     IC-134

channel service unit/digital service unit
See CSU/DSU

Cisco 1000 series LAN Extender
description     IC-47
See also LAN Extender

Cisco 2500 series routers
low-speed serial interfaces     IC-126

Cisco 2520 to Cisco 2523 routers
synchronous or asynchronous, setting     IC-132

Cisco 2524
fractional T1/T1 service modules     IC-118

Cisco 2525
fractional T1/T1 service modules     IC-118

Cisco 4000 series routers
FDDI
configuring     IC-43

Cisco Connection Online
See CCO

Cisco IOS
saving configuration changes     xxiv

clear controller lex command     IC-56

clear counters command     IC-16

clear hub command     IC-16

clear hub counters command     IC-16

clear interface command     IC-17

clear interface tokenring command     IC-59

clear line command     IC-17

clear service-module command caution     IC-14

clock
enabling internal     IC-85
signal
inverting     IC-86

clock source
service modules, 2- and 4-wire CSU/DSU     IC-123

clock source command     IC-89, IC-92, IC-114

CMT     IC-38
FDDI process     IC-38
microcode, disabling     IC-43

cmt connect command     IC-43

cmt disconnect command     IC-43

command
encapsulation ppp     IC-77, IC-79, IC-82
show interfaces serial 0/0     IC-78, IC-79, IC-82

command modes
summary (table)     xx

command syntax conventions
Cisco IOS documentation     xvii

compression
distributed     IC-75
hardware     IC-75
HDLC     IC-76
PPP     IC-75
show pas caim stats 0     IC-83
software     IC-75

compress stac command     IC-76

concentrator port
enabling     IC-61
monitoring     IC-61

configuration, saving     xxiv

configuring T1 cable length
description     IC-104
using line build-out commands     IC-105

connection management
See CMT

controller t3 command     IC-92

copy flash lex command     IC-56

copy tftp lex command     IC-56

counters
clearing interface     IC-16

CRC
configuring     IC-84
enabling 32 bits     IC-84

crc4 command     IC-88

crc command     IC-84

CSC-R interface card     IC-20

CSU/DSU
Cisco 2524     IC-118
Cisco 2525     IC-118
loopback     IC-18

CT3
software configuration verification     IC-100

cyclic redundancy check
See CRC

D


DAS
FDDI     IC-37

data
inverting     IC-85

Data Compression AIM for the Cisco 2600 Series Routers
configuring data compression AIM     IC-76
configuring Frame-Relay map compression     IC-78
configuring Frame-Relay payload-compression     IC-81
configuring PPP compression     IC-77
verifying Frame-Relay map compression     IC-79
verifying PPP compression     IC-78

data service unit
See DSU

dce-terminal-timing enable command     IC-87

DDS mode
service modules
2- and 4-wire CSU/DSU     IC-125

default form of a command
using     xxiii

delay
setting on interface     IC-7

delay command     IC-7

description command     IC-6

diagnostic information
controller     IC-10
interface processor     IC-10
port adapters     IC-10

Dial and System Management Commands for the Cisco AS5800
configuring T1 cable length
description     IC-104
using line build-out commands     IC-105
T1/E1 line termination     IC-104

dialup mode
service modules
2- and 4-wire CSU/DSU     IC-125

Distance Vector Multicast Routing Protocol
See DVMRP

distributed compression     IC-75

documentation conventions
Cisco IOS     xvi

down-when-looped command     IC-18

DSU
configuration information
displaying     IC-108
configuration information, displaying     IC-108, IC-110
interoperability mode
setting     IC-107
interoperability mode, setting     IC-109
maximum bandwidth
setting     IC-107
maximum bandwidth, setting     IC-109

dsu bandwidth command     IC-107, IC-109

dsu mode command     IC-107, IC-109

dte-invert-txc command     IC-87

DTR
signal pulsing     IC-86

Dual Attach Stations
See DAS

duplex mode
Fast Ethernet interface     IC-27

DVMRP     IC-159

E


E3
configuring     IC-106, IC-109

encapsulation
ATM-DXI     IC-73
Cayman     IC-154
EON     IC-155
Ethernet interface     IC-24
GRE     IC-154
HDLC     IC-73
HSSI     IC-71
NOS     IC-155
PPP
LAN Extender interface     IC-49
synchronous serial     IC-73
tunneling     IC-155

encapsulation arpa command     IC-25

encapsulation atm-dxi command     IC-71

encapsulation command     IC-51, IC-71, IC-76, IC-77, IC-79, IC-82

encapsulation hdlc command     IC-76

encapsulation ppp command     IC-51, IC-77, IC-79, IC-82

encapsulation sap command     IC-25

encapsulation snap command     IC-25

EON     IC-155

Ethernet
encapsulation (example)     IC-61
full-duplex
example     IC-62
interfaces
encapsulation     IC-25
loopback server
configuring     IC-20

F


Fast EtherChannel     IC-33
CEF     IC-34
configuring     IC-35
displaying information     IC-37
example     IC-64
Fast Ethernet
assigning     IC-36
removing     IC-36
HSRP     IC-34
keepalives     IC-36

Fast Ethernet
configuring AS5300     IC-27
Fast EtherChannel
assigning     IC-36
description     IC-33
displaying information     IC-37
example     IC-64
removing     IC-36
full-duplex     IC-26
media type     IC-26
RJ-45 receptacle     IC-24

fast switching
Level 2 Forwarding traffic     IC-9

FDDI
bandwidth
determining     IC-41
bit control
setting     IC-42
bridging configurations     IC-40
C-Min timer     IC-41
CMT microcode control     IC-43
description     IC-37
disconnecting     IC-43
duplicate address checking     IC-42
encapsulation mode compatibility     IC-40
frame contents     IC-37
frames-per-token
configuration (example)     IC-43
configuration, tasks     IC-43
full-duplex     IC-40
SMT     IC-44
frame processing     IC-42
Version 7.3     IC-37
starting     IC-43
stopping     IC-43
TB-Min timer     IC-42
timeout timer     IC-42
transmission time
controlling     IC-41

fddi burst-count command     IC-44

fddi c-min command     IC-41

fddi cmt-signal-bits command     IC-42

fddi duplicate-address-check command     IC-42

fddi encapsulate command     IC-40

fddi if-cmt command     IC-43

fddi smt-frames command     IC-42

fddi tb-min command     IC-42

fddi tl-min-time command     IC-41

fddi token-rotation-time command     IC-41

fddi t-out command     IC-42

fddi valid-transmission-time command     IC-41

FEIP2-DSW-2FX interfaces caution     IC-26

Fiber Distributed Data Interface
See FDDI

fiber-optic cable
FDDI designations for     IC-43

fractional T1/T1service modules
Cisco 2524     IC-118
Cisco 2525     IC-118

framed mode     IC-88

frames
transmission
configuration (example)     IC-43
configuration tasks     IC-43

frame-type command     IC-33

framing command     IC-92, IC-107, IC-109

full-duplex command     IC-26, IC-40

G


G.703 interface     IC-87, IC-88

generic router encapsulation
See GRE

global configuration mode
summary     xx

GRE
configuring tunnel mode     IC-158
tunneling
AppleTalk     IC-159

H


half-duplex command     IC-26, IC-40, IC-130

half-duplex controlled-carrier command     IC-130, IC-131

half-duplex DCE state machine     IC-128
constant carrier mode     IC-129
controlled-carrier mode     IC-129
receive, figure     IC-130
transmit, figure     IC-129

half-duplex DTE state machine
receive, figure     IC-128
transmit     IC-126
transmit, figure     IC-127

half-duplex mode
controlled-carrier and constant-carrier
changing modes     IC-130

half-duplex timer command     IC-131

half-duplex timer cts-delay command     IC-130

half-duplex timer cts-drop-timeout command     IC-127

half-duplex timer dcd-drop-delay command     IC-129

half-duplex timer dcd-txstart-delay command     IC-129

half-duplex timer rts-drop-delay command     IC-127

half-duplex timer rts-timeout command     IC-127

half-duplex timers
tuning     IC-131

half-duplex timer transmit-delay command     IC-126, IC-128

hardware compression     IC-75

HDLC
compression     IC-76
encapsulation
default for serial interfaces     IC-73

help command     xxi

High-Speed Serial Interface
See HSSI

hold queue
limit     IC-6

hold-queue command     IC-6

HSSI
1-port     IC-70
encapsulation methods     IC-71
Interface Processor (HIP)
Cisco 7000 series     IC-69
Cisco 7500 series     IC-69
loopback
enabling     IC-19
figure     IC-19
VIP2     IC-70

hssi internal-clock command     IC-71

HSSI line
invoking ATM over     IC-71

HSSI network module
configuration
examples     IC-133
feature summary     IC-70
prerequisite tasks     IC-70

hub command     IC-45

hub ethernet command     IC-15, IC-46

hub ports
automatic receiver polarity reversal
enabling     IC-45
configuration (examples)     IC-66
enabling     IC-45
hub counters
clearing     IC-16
hub statistics
displaying     IC-16
link test function     IC-45
resetting     IC-16
router models     IC-44
shutting down     IC-15
source address control
enabling     IC-46

I


IEEE 802.2
LLC encapsulation     IC-25

IEEE 802.3
encapsulation     IC-25

IEEE 802.5
Token Ring media     IC-58

ignore-dcd command     IC-87

interface command     IC-158

interface configuration mode
summary     xx

interface ethernet command     IC-25

interface fastethernet command     IC-25, IC-36

interface fddi command     IC-39

interface hssi command     IC-70

interface lex command     IC-51

interface loopback command     IC-154

interface null command     IC-154

interface port-channel command     IC-35

interface pos command     IC-112, IC-116

interfaces
ATM     IC-69
bandwidth on, setting     IC-7
configuration examples     IC-21, IC-132
configuring     IC-4
counters
clearing     IC-16
delay value
setting     IC-7
descriptive name
adding     IC-5
displaying information about     IC-10
Ethernet     IC-23
examples     IC-21
FDDI     IC-37
hold queues     IC-6
LAN Extender     IC-47
loopback interface
emulating an interface     IC-153
low-speed serial     IC-126
async commands supported     IC-132
configuration task list     IC-75, IC-126
constant-carrier mode     IC-131
controlled-carrier mode     IC-131
half-duplex DCE state machine     IC-128
half-duplex DTE state machine     IC-126
sync commands supported     IC-132
synchronous or asynchronous
setting     IC-131
maintaining     IC-9
monitoring     IC-9
naming     IC-5
null     IC-154
restarting     IC-17
shutting down
(example)     IC-22
task     IC-17
synchronous serial     IC-72
Token Ring     IC-58
tunnel     IC-158
types     IC-3
See also subinterfaces

interface serial command     IC-51, IC-73, IC-107, IC-109, IC-145

interface tokenring command     IC-60

interface tunnel command     IC-158, IC-159

interface vg command     IC-33

internal clock
enabling     IC-85

international bit command     IC-107

invert data command     IC-85, IC-107

invert rxclock command     IC-86

invert txclock command     IC-86

IP
tunneling     IC-155
(examples)     IC-161

ip address command     IC-35, IC-51

K


KA9Q program     IC-155

keepalive command     IC-7

keepalives
Fast EtherChannel     IC-36

keepalive timers
adjusting     IC-7

L


LANCE controller     IC-27

LAN Extender
access list
assigning     IC-53
acknowledgment timeout     IC-55
description     IC-47
Ethernet interface
shutting down     IC-55
filtering for Ethernet- and SNAP- encapsulated packets     IC-54
frames
filtering by MAC address     IC-51, IC-53
filtering by protocol type     IC-54
interface
access list (examples)     IC-67
binding to the serial line     IC-49
configuring     IC-49, IC-67
enabling (example)     IC-67
monitoring     IC-15
statistics, displaying     IC-15
interface on router
configuring     IC-51
MAC address, assigning     IC-51
PPP encapsulation on serial interface     IC-51
serial interface, configuring     IC-51
LEDs     IC-56
figure     IC-56, IC-57
on LAN Extender     IC-56
trouble indicators (table)     IC-57, IC-58
MAC address     IC-48
priority list
assigning     IC-54
problem solving     IC-56
queueing priorities
setting     IC-54
rebooting     IC-56
restarting     IC-55
retries
setting     IC-55
retry count     IC-55
software image
downloading     IC-56
timeout
setting     IC-55
troubleshooting     IC-56

LED trouble indicators table     IC-57, IC-58

Level 2
switching     IC-58

Level 2 Forwarding
fast switching
stack group environment     IC-9

Level 3 switching     IC-58

lex burned-in-address command     IC-51

lex input-address-list command     IC-53

lex input-type-list command     IC-54

lex priority-group command     IC-54

lex retry-count command     IC-55

lex timeout command     IC-55

line build-out commands     IC-105

line coding
NRZI     IC-84

link-test command     IC-45

local-lnm command     IC-60

loopback
diagnostics     IC-18
Ethernet server support     IC-20
HSSI     IC-19
interface     IC-153
MCI serial card     IC-20
SCI serial card     IC-20
serial interface     IC-19
VMS system     IC-20

loopback command     IC-20

loopback dte command     IC-13, IC-19, IC-107, IC-110

loopback line command     IC-12, IC-19

loopback line payload command     IC-12

loopback local command     IC-97, IC-100, IC-107, IC-110

loopback network command     IC-100

loopback network line command     IC-97, IC-107, IC-110

loopback network payload command     IC-97, IC-107, IC-110

loopback remote command     IC-13, IC-14, IC-20, IC-100

loopback remote line fdl command     IC-103

loopback remote line inband command     IC-97

loopback remote payload command     IC-103

loop circuit command     IC-20

M


MAC address
LAN Extender Interface     IC-53

maximum transmission unit
See MTU

MCI interface card
loopback on serial     IC-20
pulsing DTR signal on     IC-86

mdl command     IC-101

media-type command     IC-26

media-type half-duplex command     IC-74

MIB
Token Ring support
variables     IC-58

modes
See command modes

monitoring APS     IC-117

mop enabled command     IC-6

mop sysid command     IC-6

MTU
adjusting media MTU     IC-8

MTU caution     IC-8, IC-112

mtu command     IC-8

N


national bit command     IC-107

network operating system
See NOS

no channel-group command     IC-36

no form of a command
using     xxiii

no half-duplex controlled-carrier command     IC-131

no ip address command     IC-36

NOS
encapsulation     IC-155
tunneling     IC-155

notes
usage in text     xvii

NRZI
encoding     IC-84

nrzi-encoding command     IC-85

null interface
configuring     IC-154

O


OIR     IC-8

online documentation
See CCO

online insertion and removal
See OIR

P


PA-12E/2FE port adapter
configuration example     IC-62
configuring     IC-30
monitoring     IC-31

PA-4R-DTR port adapter     IC-59

packet-over-SONET
See POS

packets
maximum size
setting     IC-8

packet tunneling
and asynchronous host roaming     IC-160

PA-E3 port adapter
configuration example     IC-137
monitoring     IC-108
troubleshooting     IC-107

PA-POS-OC3 Packet OC-3 Port Adapter
packet-over-SONET OC3 configuration     IC-138

passenger protocol
tunneling     IC-154

PA-T3 port adapter
configuration example     IC-137
monitoring     IC-110
troubleshooting     IC-110

PCbus LAN management     IC-60

PCM
FDDI     IC-41

Physical Connection Management
See PCM

physical-layer command     IC-131

ping command     IC-18

point-of-presence
See POP

polarity, receive circuitry, reversing automatically     IC-45

POP

Port Aggregation Protocol     IC-37

port-channel
See Fast EtherChannel

port-channel interface caution     IC-36

POS
configuring     IC-115
scrambling     IC-114

pos ais-shut command     IC-114, IC-118

pos report command     IC-117

pos scramble-atm command     IC-114

pos threshold command     IC-117

PPP
compression     IC-75
with LAN Extender     IC-49

priority-list protocol command     IC-54

privileged EXEC mode
summary     xx

prompts
system     xx

protect interface, APS     IC-116

protocols
carrier
tunneling     IC-154
passenger
tunneling     IC-154
transport
tunneling     IC-155

pulse-time command     IC-86

Q


question command     xxi

queues
controlling hold     IC-6

R


Real-time Transport Protocol
See RTP

recursive route problem     IC-157

remote Ethernet LAN     IC-48

remote loopback
56/64 kbps CSU/DSU     IC-14
interface
FT1/T1 CSU/DSU, Cisco 2524 and 2525     IC-13

RFC 1042
Standard for the Transmission of IP Datagrams Over IEEE 802 Networks     IC-25, IC-59

RFC 1231
IEEE 802.5 Token Ring MIB     IC-58

RFC 1406
Definitions of Managed Objects for DS1 and E1 Interface Types     IC-90

RFC 1407
DS3 MIB Variables     IC-90, IC-105, IC-106, IC-108

RFC 1516
Definitions of Managed Objects for IEEE 802.3 Repeater Devices     IC-44

RFC 1619
PPP over SONET/SDH     IC-111

RFC 1662
PPP in HDLC-like Framing     IC-111

RFC 1889
RTP--A Transport Protocol for Real-Time Applications     IC-76

RIF
cache
clearing     IC-17
monitoring     IC-10

ring
scheduling FDDI     IC-41

ROM monitor mode
summary     xx

routing
on Token Ring     IC-58

RTP
description     IC-76

running-config command     IC-5

S


saving configuration changes     xxiv

SCI interface card
loopback on serial     IC-20

scramble command     IC-107, IC-110

sdlc cts-delay command
See half-duplex timer command

sdlc rts-timeout command
See half-duplex timer command

serial
low-speed     IC-126
DTE, transmit     IC-126

serial interfaces
clearing     IC-17
configuring     IC-72
DTR signal pulsing     IC-86
high-speed     IC-69
loopback     IC-20
low-speed     IC-126
PA-2JT2 configuration example     IC-145
PA-E3 port adapter configuration (example)     IC-137
PA-T3 port adapter configuration (example)     IC-137
synchronous
encapsulation     IC-73
maintaining     IC-17
supporting cards     IC-72
transmit delay     IC-86

serial line
encapsulation     IC-73

service-module 56k clock rate command     IC-124

service-module 56k clock source command     IC-123

service-module 56k data-coding command     IC-124

service-module 56k data-coding scrambled command     IC-124

service-module 56k network-type command     IC-125

service-module 56k remote-loopback command     IC-125

service-module 56k switched-carrier command     IC-125

service modules
2- and 4-wire CSU/DSU
DDS mode     IC-125
dialup mode     IC-125
Cisco 2524
2- and 4-wire CSU/DSU     IC-123
monitor and maintain     IC-11
reset     IC-14
Cisco 2525
2- and 4-wire CSU/DSU     IC-123
monitor and maintain     IC-11
reset     IC-14
T1/fractional T1     IC-118
remote loopback     IC-121

service modules, 2- and 4-wire CSU/DSU
clock source     IC-123

service-module t1 clock source command     IC-119

service-module t1 data-coding inverted command     IC-119

service-module t1 framing command     IC-120

service-module t1 lbo command     IC-120

service-module t1 lbo none command     IC-120

service-module t1 linecode command     IC-120

service-module t1 remote-alarm-enable command     IC-121

service-module t1 remote-loopback full command     IC-121

service-module t1 remote-loopback payload command     IC-121

service-module tx1 data-coding normal command     IC-119

show aps command     IC-116, IC-117

show async status command     IC-10

show compress command     IC-10

show controller e1 command     IC-11

show controller fastethernet command     IC-24

show controller pos command     IC-116

show controllers bri command     IC-10

show controllers cbus command     IC-24, IC-58, IC-100

show controllers command     IC-10, IC-24, IC-58, IC-117, IC-127

show controllers cxbus command     IC-10

show controllers lex command     IC-15

show controllers mci command     IC-24

show controllers serial command     IC-108, IC-110

show controllers token command     IC-58

show controller t1 command     IC-11

show controller t3 command     IC-100, IC-101

show diagbus command     IC-10

show hardware command     IC-4

show hub command     IC-16

show interface fastethernet command     IC-24

show interface pos command     IC-116, IC-117

show interfaces async command     IC-10

show interfaces command     IC-4, IC-10, IC-16, IC-24, IC-58

show interfaces fddi command     IC-38

show interfaces lex command     IC-15

show interfaces port-channel command     IC-37

show interfaces serial 0/0 command     IC-78, IC-79, IC-82

show interfaces serial command     IC-15, IC-100, IC-108, IC-110

show interfaces tunnel command     IC-16

show pas caim stats command     IC-83

show process cpu command     IC-76

show rif command     IC-10

show system     IC-5

show version command     IC-11

shutdown (hub) command     IC-15, IC-45

shutdown command     IC-17, IC-55

shutdown interfaces
example     IC-22
result     IC-17

signaling phase
FDDI CMT     IC-42

signals
pulsing DTR     IC-86

SMT
message queue size
setting     IC-44

smt-queue-threshold command     IC-44

SMT Version 7.3     IC-37

SNAP
Ethernet protocols over 802.2 media     IC-25

SNMP
traps     IC-46

snmp trap illegal-address command     IC-46

software compression
HDLC     IC-76
LAPB     IC-76
PPP     IC-75, IC-76
statistics
displaying     IC-10

source-address command     IC-46

source-route bridging
maintaining     IC-17
Token Ring     IC-58

SP
displaying information     IC-10

speed
Fast Ethernet interface     IC-27

squelch normal command     IC-27

squelch reduced command     IC-27

Stacker compressor     IC-76

Station Management
See SMT

subinterface configuration mode
summary     xx

subinterfaces     IC-5
configuring     IC-5
maximum allowed     IC-5

subnets
discontinuous
connecting, tunneling     IC-155

Switch Processor
See SP

synchronous serial interface
encapsulation methods     IC-73
overview     IC-72

T


T1
alarms     IC-11
CSU WIC     IC-122
displaying line activity     IC-11
monitor activity on line     IC-11
shutdown
T1 circuit     IC-22
T1 line     IC-22, IC-138
See also T3

T1/E1 line termination     IC-104

T1/fractional T1 service modules
Cisco 2524     IC-118
Cisco 2525     IC-118

t1 bert pattern command     IC-102

t1 clock source command     IC-94

t1 external command     IC-95

t1 fdl ansi command     IC-101

t1 framing command     IC-93

t1 linecode command     IC-94

t1 test command     IC-96

t1 timeslot command     IC-93

t1 yellow command     IC-93

T3
(example)     IC-135, IC-136
BERT pattern     IC-102
cable length     IC-92
clock source     IC-92
configuring     IC-92
external port (example)     IC-135
external T1 channels     IC-94
FDL
loopbacks     IC-103
support     IC-101
framing     IC-92
loopbacks     IC-99
MDL messages     IC-101
monitoring     IC-100
performance report     IC-101
performance report monitoring     IC-101
protocols supported     IC-90
standards     IC-90
T1
clock source     IC-93
configuration     IC-92
framing     IC-93
line code     IC-93
loopbacks     IC-97, IC-103
test port     IC-96
troubleshooting     IC-96

Tab key
command completion     xxi

telecommuting
and asynchronous host roaming     IC-160

THT
FDDI     IC-41

timers
keepalive
adjusting     IC-7
token
holding     IC-41
rotation     IC-41
transmission valid     IC-41

timeslot command     IC-88

token holding timer
See THT

Token Ring
concentrator port
enabling     IC-61
monitoring     IC-61
encapsulation     IC-59

token rotation time
See TRT

transient ring error     IC-41

translational bridging
on FDDI interface     IC-40

transmission timer
FDDI     IC-41

transmission valid timer
FDDI     IC-41

transmit clock
inverting     IC-86

transmit-clock-internal command     IC-85

transmit delay, serial interface     IC-86

transmit-delay command     IC-128

transmitter-delay command     IC-86

transparent bridging
FDDI interface     IC-40

transport protocol
tunneling     IC-155

trap operations
defining for hub ports     IC-46

TRT
FDDI     IC-41

ts16 command     IC-88

tunnel checksum command     IC-159

tunnel command     IC-160

tunnel destination command     IC-158, IC-159

tunneling
advantages     IC-155
AppleTalk
definition     IC-155
GRE     IC-159
Cayman
brief description     IC-154
no AT network address     IC-159
components     IC-154
destination address     IC-158
encapsulation     IC-158
EON     IC-155
GRE     IC-154
IP     IC-155, IC-157
NOS     IC-155
optional tasks     IC-157
precautions     IC-156
recursive route     IC-157
required tasks     IC-157
source address     IC-158

tunnel key command     IC-159

tunnel mode command     IC-158, IC-159

tunnel sequence-datagrams command     IC-160

tunnel source command     IC-158, IC-159

TVX
FDDI     IC-41

tx-queue-limit command     IC-8

type code
LAN Extender Interface     IC-53

U


UNI
version 3.0     IC-71

user EXEC mode
summary     xx

User-Network Interface
See UNI

using line build-out commands     IC-105

V


VIP2-50     IC-89

virtual interfaces
See loopback interface; subinterfaces; tunneling

VMS
system
loopback     IC-20

W


working interface
APS     IC-116

write memory command     IC-51

X


X3T9.5 specification     IC-41

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