H3C SR6600 SPE-FWM Command Reference Manual

Brand: H3C

Model: SR6600 SPE-FWM

Type: Command Reference Manual

H3C SR6600 Routers

Interface Command Reference

Hangzhou H3C Technologies Co., Ltd.

http://www.h3c.com

Document Version: 20100930-C-1.08

Product Version: SR6600-CMW520-R2420

No part of this manual may be reproduced or transmitted in any form or by any means without prior

written consent of Hangzhou H3C Technologies Co., Ltd.

Trademarks

H3C, , Aolynk, , H

Care,

, TOP G, , IRF, NetPilot, Neocean, NeoVTL,

SecPro, SecPoint, SecEngine, SecPath, Comware, Secware, Storware, NQA, VVG, V

G, V

G, PSPT,

XGbus, N-Bus, TiGem, InnoVision and HUASAN are trademarks of Hangzhou H3C Technologies Co.,

Ltd.

All other trademarks that may be mentioned in this manual are the property of their respective owners.

Notice

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of any kind, express or implied.

Preface

The H3C SR6600 documentation set includes 13 command references, which describe the commands

and command syntax options available for the H3C SR6600 Routers.

The Interface Command Reference describes the configuration commands for various interfaces

supported by the H3C SR6600 routers.

This preface includes:

z Audience

z Conventions

z About the H3C SR6600 Documentation Set

z Obtaining Documentation

z Documentation Feedback

Audience

This documentation is intended for:

z Network planners

z Field technical support and servicing engineers

z Network administrators working with the SR6600

Conventions

This section describes the conventions used in this documentation set.

Command conventions

Convention Description

Boldface Bold

text represents commands and keywords that you enter literally as shown.

italic

Italic text represents arguments that you replace with actual values.

[ ]

Square brackets enclose syntax choices (keywords or arguments) that are

optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars,

from which you select one.

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical

bars, from which you select one or none.

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by

vertical bars, from which you select at least one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by

vertical bars, from which you may select multiple choices or none.

&<1-n>

The argument or keyword and argument combination before the ampersand (&)

sign can be entered 1 to n times.

# A line that starts with a pound (#) sign is comments.

Symbols

Convention Description

Means reader be extremely careful. Improper operation may cause bodily

injury.

Means reader be careful. Improper operation may cause data loss or damage to

equipment.

Means an action or information that needs special attention to ensure

successful configuration or good performance.

Means a complementary description.

Means techniques helpful for you to make configuration with ease.

About the H3C SR6600 Documentation Set

The H3C SR6600 documentation set includes:

Category Documents Purposes

Marketing brochures Describe product specifications and benefits.

Technology white papers

Provide an in-depth description of software features

and technologies.

Product description and

specifications

Card datasheets Describe card specifications, features, and standards.

Compliance and safety

manual

Provides regulatory information and the safety

instructions that must be followed during installation.

Installation guide

Provides a complete guide to hardware installation

and hardware specifications.

Card manuals Provide the hardware specifications of cards.

Hardware specifications

and installation

H3C N68 Cabinet

Installation and Remodel

Introduction

Guides you through installing and remodeling H3C

N68 cabinets.

Configuration guides

Describe software features and configuration

procedures.

Software configuration

Command references Provide a quick reference to all available commands.

H3C SR6608 Release

notes

Operations and

maintenance

H3C SR6602 Release

notes

Provide information about the product release,

including the version history, hardware and software

compatibility matrix, version upgrade information,

technical support information, and software upgrading.

Obtaining Documentation

You can access the most up-to-date H3C product documentation on the World Wide Web at

http://www.h3c.com.

Click the links on the top navigation bar to obtain different categories of product documentation:

[Technical Support & Documents > Technical Documents] – Provides hardware installation, software

upgrading, and software feature configuration and maintenance documentation.

[Products & Solutions] – Provides information about products and technologies, as well as solutions.

[Technical Support & Documents > Software Download] – Provides the documentation released with

the software version.

Technical Support

customer_service@h3c.com

http://www.h3c.com

Documentation Feedback

You can e-mail your comments about product documentation to [email protected].

We appreciate your comments.

Table of Contents

1 Ethernet Interface Configuration Commands·························································································1-1

General Ethernet Interface/Subinterface Configuration Commands ······················································1-1

combo enable··································································································································1-1

description·······································································································································1-1

display interface brief·······················································································································1-2

display interface·······························································································································1-5

duplex············································································································································1-11

flag sdh··········································································································································1-11

flow-control····································································································································1-12

interface·········································································································································1-13

link-delay ·······································································································································1-13

loopback········································································································································1-14

port link-mode································································································································1-15

port-mode······································································································································1-16

reset counters interface·················································································································1-16

shutdown ·······································································································································1-17

speed·············································································································································1-18

Layer 2 Ethernet Interface/Subinterface Configuration Commands·····················································1-18

broadcast-suppression (Ethernet interface view/Ethernet sub-interface view/port group view)···1-19

display loopback-detection············································································································1-20

display port-group manual·············································································································1-21

group-member·······························································································································1-22

loopback-detection action··············································································································1-22

loopback-detection control enable·································································································1-23

loopback-detection enable ············································································································1-24

loopback-detection interval-time····································································································1-25

loopback-detection per-vlan enable ······························································································1-26

mdi·················································································································································1-26

multicast-suppression (Ethernet interface view/Ethernet sub-interface view/port group view)·····1-27

port-group manual·························································································································1-29

storm-constrain······························································································································1-29

storm-constrain control··················································································································1-30

storm-constrain enable log············································································································1-31

storm-constrain enable trap···········································································································1-32

storm-constrain interval·················································································································1-32

unicast-suppression (Ethernet interface view/Ethernet sub-interface view/port group view)········1-33

virtual-cable-test····························································································································1-34

Layer 3 Ethernet Interface/Subinterface Configuration Commands·····················································1-35

mtu·················································································································································1-35

sub-interface rate-statistic ·············································································································1-36

timer hold·······································································································································1-37

promiscuous··································································································································1-38

VE Interface Configuration Commands ································································································1-38

display interface virtual-ethernet ···································································································1-38

interface virtual-ethernet················································································································1-39

mac-address··································································································································1-40

2 ATM Interface Configuration Commands ·······························································································2-1

ATM Interface Commands······················································································································2-1

display interface atm························································································································2-1

interface atm····································································································································2-2

reset atm interface···························································································································2-3

reset counters interface···················································································································2-3

sub-interface rate-statistic ···············································································································2-4

ATM E1/T1 Interface Configuration Commands·····················································································2-5

cable················································································································································2-5

clock·················································································································································2-5

code·················································································································································2-6

frame-format····································································································································2-7

loopback··········································································································································2-7

scramble··········································································································································2-8

ATM OC-3c/STM-1 Interface Configuration Commands········································································2-9

frame-format····································································································································2-9

loopback········································································································································2-10

scramble········································································································································2-10

3 WAN Interface Configuration Commands·······························································································3-1

Basic Serial Interface Configuration Commands····················································································3-1

baudrate ··········································································································································3-1

code·················································································································································3-3

crc····················································································································································3-4

description·······································································································································3-5

detect···············································································································································3-5

display interface serial·····················································································································3-6

idle-mark··········································································································································3-8

invert receive-clock··························································································································3-9

invert transmit-clock·······················································································································3-10

loopback········································································································································3-10

mtu·················································································································································3-11

phy-mru ·········································································································································3-11

reverse-rts ·····································································································································3-12

shutdown ·······································································································································3-13

sub-interface rate-statistic ·············································································································3-13

timer hold·······································································································································3-14

virtualbaudrate·······························································································································3-14

Basic CE1 Interface Configuration Commands····················································································3-15

iii

alarm··············································································································································3-15

cable··············································································································································3-16

channel-set (CE1 interface)···········································································································3-17

clock (CE1 interface)·····················································································································3-17

clock-change auto ·························································································································3-18

code (CEI interface)·······················································································································3-19

controller e1···································································································································3-19

crc··················································································································································3-20

data-coding····································································································································3-20

description·····································································································································3-21

detect-ais·······································································································································3-22

display controller e1·······················································································································3-22

error-diffusion restraint config········································································································3-24

error-diffusion restraint enable ······································································································3-25

frame-format (CE1 interface)·········································································································3-25

idlecode (CE1 interface)················································································································3-26

itf (CE1 interface)···························································································································3-26

loopback (CE1 interface)···············································································································3-27

reset counters controller e1···········································································································3-28

shutdown ·······································································································································3-28

using (CE1 interface)·····················································································································3-29

Basic CT1 Interface Configuration Commands ····················································································3-29

alarm (CT1 interface)·····················································································································3-29

alarm-threshold······························································································································3-30

bert (CT1 interface) ·······················································································································3-31

cable (CT1 interface)·····················································································································3-32

channel-set (CT1 interface)···········································································································3-33

clock (CT1 interface) ·····················································································································3-33

code (CT1 interface)······················································································································3-34

controller t1····································································································································3-35

data-coding (CT1 interface)···········································································································3-36

description (CT1 interface)············································································································3-36

display controller t1························································································································3-37

error-diffusion restraint config········································································································3-40

error-diffusion restraint enable ······································································································3-41

fdl···················································································································································3-41

frame-format (CT1 interface)·········································································································3-42

idlecode (CT1 interface)················································································································3-43

itf (CT1 interface)···························································································································3-43

loopback (CT1 interface)···············································································································3-44

reset counters controller t1············································································································3-45

sendloopcode································································································································3-45

shutdown (CT1 interface)··············································································································3-46

E1-F Interface Configuration Commands ·····························································································3-47

display fe1 ·····································································································································3-47

error-diffusion restraint config········································································································3-48

error-diffusion restraint enable ······································································································3-49

fe1 alarm········································································································································3-50

fe1 cable········································································································································3-50

fe1 clock ········································································································································3-51

fe1 code·········································································································································3-51

fe1 data-coding······························································································································3-52

fe1 detect-ais·································································································································3-53

fe1 frame-format····························································································································3-53

fe1 idlecode···································································································································3-54

fe1 itf··············································································································································3-54

fe1 loopback··································································································································3-55

fe1 timeslot-list·······························································································································3-56

fe1 unframed ·································································································································3-57

T1-F Interface Configuration Commands······························································································3-58

ft1 alarm·········································································································································3-58

display ft1 ······································································································································3-59

error-diffusion restraint config········································································································3-62

error-diffusion restraint enable ······································································································3-63

ft1 alarm-threshold·························································································································3-63

ft1 bert ···········································································································································3-64

ft1 cable·········································································································································3-65

ft1 clock ·········································································································································3-66

ft1 code··········································································································································3-67

ft1 data-coding·······························································································································3-67

ft1 fdl··············································································································································3-68

ft1 frame-format·····························································································································3-69

ft1 idlecode····································································································································3-69

ft1 itf···············································································································································3-70

ft1 loopback···································································································································3-71

ft1 sendloopcode···························································································································3-71

ft1 timeslot-list································································································································3-72

Basic CE3 Interface Configuration Commands····················································································3-73

bert (CE3 interface)·······················································································································3-73

clock (CE3 interface)·····················································································································3-74

controller e3···································································································································3-75

description (CE3 interface)············································································································3-76

display controller e3·······················································································································3-76

e1 bert ···········································································································································3-78

e1 channel-set·······························································································································3-79

e1 set clock····································································································································3-79

e1 set frame-format·······················································································································3-80

e1 set loopback ·····························································································································3-81

e1 shutdown··································································································································3-81

e1 unframed ··································································································································3-82

fe3··················································································································································3-83

loopback (CE3 interface)···············································································································3-84

national-bit·····································································································································3-84

reset counters controller e3···········································································································3-85

shutdown (CE3 interface)··············································································································3-85

using (CE3 interface)·····················································································································3-86

Basic CT3 Interface Configuration Commands ····················································································3-87

alarm (CT3 interface)·····················································································································3-87

bert (CT3 interface) ·······················································································································3-88

cable (CT3 interface)·····················································································································3-88

clock (CT3 interface) ·····················································································································3-89

controller t3····································································································································3-90

description (CT3 interface)············································································································3-91

display controller t3························································································································3-91

feac················································································································································3-96

frame-format (CT3 interface)·········································································································3-97

ft3···················································································································································3-97

loopback (CT3 interface)···············································································································3-99

mdl (CT3 interface)························································································································3-99

reset counters controller t3··········································································································3-101

shutdown (CT3)···························································································································3-101

t1 alarm········································································································································3-102

t1 bert···········································································································································3-103

t1 channel-set······························································································································3-104

t1 sendloopcode··························································································································3-104

t1 set clock···································································································································3-105

t1 set frame-format······················································································································3-106

t1 set loopback ····························································································································3-107

t1 set fdl·······································································································································3-107

t1 show ········································································································································3-108

t1 shutdown·································································································································3-109

t1 unframed ·································································································································3-110

using (CT3 interface)···················································································································3-111

4 POS Interface Configuration Commands································································································4-1

POS Interface Configuration Commands································································································4-1

display interface pos························································································································4-2

display ip interface pos····················································································································4-4

display ipv6 interface pos················································································································4-5

flag···················································································································································4-5

frame-format····································································································································4-7

link-delay ·········································································································································4-7

link-protocol·····································································································································4-8

loopback··········································································································································4-8

mtu···················································································································································4-9

reset counters interface·················································································································4-10

scramble········································································································································4-10

threshold········································································································································4-11

shutdown ·······································································································································4-12

sub-interface rate-statistic ·············································································································4-12

5 CPOS Interface Configuration Commands·····························································································5-1

CPOS Interface Configuration Commands·····························································································5-1

controller cpos·································································································································5-1

display controller cpos·····················································································································5-2

display controller cpos e1················································································································5-7

display controller cpos e3················································································································5-8

display controller cpos t1·················································································································5-9

display controller cpos t3···············································································································5-11

e1 channel-set·······························································································································5-11

e1 set clock····································································································································5-12

e1 set flag······································································································································5-13

e1 set frame-format·······················································································································5-14

e1 set loopback ·····························································································································5-14

e1 shutdown··································································································································5-15

e1 unframed ··································································································································5-16

e3 set clock····································································································································5-16

e3 set loopback ·····························································································································5-17

e3 set national-bit··························································································································5-18

e3 shutdown··································································································································5-18

fe3 dsu-mode·································································································································5-19

flag·················································································································································5-20

flag vc-3·········································································································································5-21

flag vc-4·········································································································································5-22

frame-format··································································································································5-23

ft3 dsu-mode··································································································································5-23

loopback········································································································································5-25

multiplex mode ······························································································································5-25

ppp mp soft-binding·······················································································································5-26

reset counters controller cpos·······································································································5-27

shutdown ·······································································································································5-27

t1 channel-set································································································································5-28

t1 set clock·····································································································································5-28

t1 set flag·······································································································································5-29

t1 set frame-format························································································································5-30

vii

t1 set loopback ······························································································································5-30

t1 shutdown···································································································································5-31

t1 unframed ···································································································································5-32

t3 set alarm····································································································································5-32

t3 set bert·······································································································································5-33

t3 set clock·····································································································································5-34

t3 set feac······································································································································5-35

t3 set frame-format························································································································5-36

t3 set loopback ······························································································································5-37

t3 set mdl·······································································································································5-38

threshold········································································································································5-39

using e3·········································································································································5-40

using t3··········································································································································5-40

6 E-CPOS Interace Configuration Commands···························································································6-1

E-CPOS Interface Configuration Commands ·························································································6-1

controller e-cpos······························································································································6-1

display controller e-cpos··················································································································6-2

flag j0···············································································································································6-3

frame-format····································································································································6-4

loopback··········································································································································6-4

oc-12················································································································································6-5

oc-3··················································································································································6-6

shutdown ·········································································································································6-6

threshold··········································································································································6-7

using { oc-12 | oc-12c }····················································································································6-8

using { oc-3 | oc-3c }························································································································6-8

7 Loopback Interface and Null Interface Configuration Commands·······················································7-1

Loopback Interface and Null Interface Configuration Commands··························································7-1

description·······································································································································7-1

display interface loopback···············································································································7-2

display interface null························································································································7-3

interface loopback ···························································································································7-4

interface null····································································································································7-4

reset counters interface···················································································································7-5

shutdown ·········································································································································7-6

8 Command Index·········································································································································8-1

1-1

1 Ethernet Interface Configuration Commands

General Ethernet Interface/Subinterface Configuration Commands

combo enable

Syntax

combo enable { copper | fiber }

View

Ethernet interface view (Combo interface)

Default Level

2: System level

Parameters

copper: Activates the electrical port of the Combo interface.

fiber: Activates the optical port of the Combo interface.

Description

Use the combo enable command to activate the electrical or optical port of a Combo interface.

By default, the electrical port of a Combo interface is activated.

Combo interfaces are logical interfaces. A Combo interface comprises one optical (fiber) port and one

electrical (copper) port. The two ports share one forwarding interface and thus cannot work

simultaneously. If the electrical port is enabled, the optical port is disabled automatically and vice versa.

Examples

# Activate the electrical port of Combo interface GigabitEthernet 4/0/1.

<Sysname> system-view

[Sysname] interface gigabitethernet 4/0/1

[Sysname- GigabitEthernet4/0/1] combo enable copper

# Activate the optical port of Combo interface GigabitEthernet 4/0/1.

<Sysname> system-view

[Sysname] interface gigabitethernet 4/0/1

[Sysname-GigabitEthernet4/0/1] combo enable fiber

description

Syntax

description text

undo description

View

Ethernet interface view, Ethernet subinterface view

1-2

Default Level

2: System level

Parameters

text: Creates an interface description, a string of 1 to 80 characters. Valid characters and symbols

include English letters (A to Z, a to z), digits (1 to 9), special English characters, spaces, and other

Unicode characters and symbols.

z Each Unicode character takes the space of two regular characters.

z To use a type of Unicode characters or symbols in an interface description, install the specific input

method editor and log in to the router through remote login software that supports this character

type.

z When the length of a description string reaches or exceeds the maximum line width on the terminal

software, the software starts a new line, possibly breaking a Unicode character into two. As a result,

garbled characters may be displayed at the end of a line.

Description

Use the description command to change the description of the current interface.

Use the undo description command to restore the default.

The default description of an interface is the interface name plus Interface, GigabitEthernet4/0/1

Interface for example.

Related commands: display interface.

Examples

# Change the description of Ethernet subinterface GigabitEthernet 4/0/1.1 to l2-subinterface4/0/1.1.

<Sysname> system-view

[Sysname] interface gigabitethernet 4/0/1.1

[Sysname-GigabitEthernet4/0/1.1] description l2-subinterface4/0/1.1

display interface brief

Syntax

display interface [ interface-type [ interface-number | interface-number.subnumber ] ] brief [ | { begin |

exclude | include } regular-expression ]

View

Any view

Default Level

1: Monitor level

Parameters

interface-type: Specifies an interface type.

interface-number: Specifies an interface number.

1-3

interface-number.subnumber: Specifies a subinterface number, where interface-number is an interface

number; subnumber is the number of a subinterface created under the interface. The value range of

subnumber is 1 to 4094.

|: Filters command output by specifying a regular expression. For more information about regular

expressions, see CLI in the Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

exclude: Displays the lines that do not match the specified regular expression.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, which is a case sensitive string of 1 to 256

characters.

Description

Use the display interface brief command to display brief interface information.

z If neither interface type nor interface number is specified, this command displays information about

all interfaces.

z If only interface type is specified, this command displays information about interfaces of the

specified type.

z If both interface type and interface number are specified, this command displays information about

the specified interface.

Related commands: interface.

Examples

# Display brief information about all interfaces.

[Sysname]display interface brief

The brief information of interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

GE4/0/0 DOWN DOWN 192.168.2.8 Link to A

GE4/0/1 DOWN DOWN 192.168.10.2

Loop0 UP UP(s) 1.1.1.1 Router

M-GE0/0/0 DOWN DOWN 192.168.3.1

NULL0 UP UP(s) --

Tun1 DOWN DOWN 12.1.1.1

# Filter the brief interface information to display the line starting with the (s) string and all subsequent

lines.

[Sysname]display interface brief | begin (s)

The brief information of interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

Loop0 UP UP(s) 1.1.1.1 Router

M-GE0/0/0 DOWN DOWN 192.168.3.1

NULL0 UP UP(s) --

Tun1 DOWN DOWN 12.1.1.1

1-4

When you use the begin keyword to filter output information, the system only searches the Layer 3

interface list or the Layer 2 interface list. If the starting line is on the Layer 3 interface list, the system

only displays the starting line and all subsequent lines on the Layer 3 interface list.

# Display brief information about all UP interfaces.

[Sysname]display interface brief | include UP

The brief information of interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

Loop0 UP UP(s) 1.1.1.1 Router

NULL0 UP UP(s) --

# Display the brief information about all but Ethernet interfaces.

[Sysname]display interface brief | exclude Eth

The brief information of interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

GE4/0/0 DOWN DOWN 192.168.2.8 Link to A

GE4/0/1 DOWN DOWN 192.168.10.2

Loop0 UP UP(s) 1.1.1.1 Router

M-GE0/0/0 DOWN DOWN 192.168.3.1

NULL0 UP UP(s) --

Tun1 DOWN DOWN 12.1.1.1

Table 1-1 display interface brief command output description

Field Description

The brief information of

interface(s) under route

mode:

The command displays brief information about Layer 3 interfaces

Link: ADM -

administratively down;

Stby - standby

The interface has been shut down by the network administrator. To recover its

physical layer state, perform the

undo shutdown

command.

Stby

indicates that the current interface is a standby interface. You can use the

display standby state

command to check the corresponding primary interface.

Protocol: (s) - spoofing

If the network layer protocol state of an interface is shown as up, but its link is an

on-demand link or not present at all, its protocol attribute includes the spoofing

flag (an

in parentheses). This attribute is typical of null and loopback interfaces.

Interface Interface name

Link

Physical link state of the interface:

z UP: The link is present.

z DOWN: The link is physically down.

z ADM: The link has been administratively shut down. To recover its physical

state, perform the undo shutdown command.

z Stby: The interface is a standby interface.

Protocol

Protocol connection state of the interface, which can be up or down. If the network

layer protocol state of the interface is up, but its link is an on-demand link or not

present at all, its protocol attribute includes the spoofing flag (an

parentheses).

The brief information of

interface(s) under bridge

mode:

Brief information about Layer 2 interfaces

1-5

Field Description

Speed or Duplex: (a)/A -

auto; H - half; F - full

If the speed of an interface is automatically negotiated, its speed attribute

includes the auto negotiation flag, letter

in parentheses.

If the duplex mode of an interface is automatically negotiated, its duplex mode

attribute includes the auto negotiation flag, letter

in parentheses or a capital

Letter

indicates the half duplex mode, and letter

indicates the full duplex

mode.

Type: A - access; T - trunk;

H - hybrid

Link type options for Ethernet interfaces

Speed Interface rate, in bps

Duplex

Duplex mode of the interface:

z A – auto-negotiation

z F – full duplex

z F(a) – auto-negotiated full duplex

z H – half duplex

z H(a) – auto-negotiated half duplex

Type

Link type of the interface:

z A – access

z H – hybrid

z T – trunk

PVID Default VLAN ID of the interface

display interface

Syntax

display interface [ interface-type [ interface-number | interface-number.subnumber ] ]

View

Any view

Default Level

1: Monitor level

Parameters

interface-type: Specifies an interface type.

interface-number: Specifies an interface number.

interface-number.subnumber: Specifies a subinterface number, where interface-number is an interface

number; subnumber is the number of a subinterface created under the interface. The value of

subnumber ranges from 1 to 4094.

Description

Use the display interface command to display detailed information about interfaces, including their

operating status.

z If neither interface type nor interface number is specified, the command displays detailed

information about all interfaces.

z If only interface type is specified, the command displays detailed information about all interfaces of

the particular type.

1-6

z If both interface type and interface number are specified, the command displays detailed

information about only the specified interface.

Related commands: interface.

Examples

# Display detailed information about Layer 3 interface GigabitEthernet 4/0/1.

<Sysname> display interface gigabitethernet 4/0/1

GigabitEthernet4/0/1 current state: Administratively DOWN

Line protocol current state: DOWN

Description: GigabitEthernet4/0/1 Interface

The Maximum Transmit Unit is 1500, Hold timer is 10(sec)

Internet protocol processing : disabled

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 000f-e200-0000

IPv6 Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 000f-e200-0000

Media type is twisted pair, loopback not set, promiscuous mode not set

1000Mb/s, Full-duplex, link type is autonegotiation

Output flow-control is disabled, input flow-control is disabled

Output queue : (Urgent queuing : Size/Length/Discards) 0/50/0

Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0

Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0

Last clearing of counters: Never

Last 300 seconds input rate 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec

Last 300 seconds output rate 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec

Input: 0 packets, 0 bytes, 0 buffers, 0 no buffers

0 broadcasts, 0 multicasts, 0 pauses

0 errors, 0 runts, 0 giants

0 crc, 0 align errors, 0 overruns

0 dribbles, 0 drops

Output:0 packets, 0 bytes, 0 buffers

0 broadcasts, 0 multicasts, 0 pauses

Table 1-2 display interface (in route mode) command output description

Field Description

GigabitEthernet4/0/1 current

state

Physical layer state of the Ethernet interface

Line protocol current state Link layer status of the interface

Description The description of an Ethernet interface

Hold timer is Hold timer of link state

Internet protocol processing

IP packet processing: disabled indicates that IP packets cannot be

processed.

For an interface configured with an IP address, this field changes into

Internet Address is.

Output queue (Urgent queue:

Size/Length/Discards)

Output queue (current message number in the urgent queue/ maximum

number of messages allowed in the urgent queue/number of discarded

messages)

Output queue (Protocol queue:

Size/Length/Discards)

Output queue (current message number in the protocol queue/ maximum

number of messages allowed in the protocol queue/number of discarded

messages)

1-7

Field Description

Output queue (FIFO queuing:

Size/Length/Discards)

Output queue (current message number in the FIFO queue/ maximum

number of messages allowed in the FIFO queue/number of discarded

messages)

Last 300 seconds input rate

Average input rate over the last 300 seconds: bytes/sec, bits/sec,

packets/sec

Last 300 seconds output rate

Average output rate over the last 300 seconds: bytes/sec, bits/sec,

packets/sec

Input Input packets

Output Output packets

# Display detailed information about Layer 2 interface GigabitEthernet 3/0/1.

<Sysname> display interface gigabitethernet 3/0/1

GigabitEthernet3/0/1 current state: DOWN ( Administratively )

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 000f-e200-8048

Description: GigabitEthernet3/0/1 Interface

Loopback is not set

Media type is twisted pair, port hardware type is 100_BASE_TX

Unknown-speed mode, unknown-duplex mode

Link speed type is autonegotiation, link duplex type is autonegotiation

Flow-control is not enabled

The Maximum Frame Length is 9022

Broadcast MAX-ratio: 100%

Unicast MAX-ratio: 100%

Multicast MAX-ratio: 100%

Allow jumbo frame to pass

PVID: 100

Mdi type: auto

Port link-type: access

Tagged VLAN ID : none

Untagged VLAN ID : 100

Port priority: 0

Peak value of input: 96132560 bytes/sec, at 2007-10-26 07:05:06

Peak value of output: 0 bytes/sec, at 2007-10-26 12:00:12

Last 300 seconds input: 6 packets/sec 678 bytes/sec 20%

Last 300 seconds output: 1 packets/sec 179 bytes/sec 17%

Input (total): 61745144 packets, 12152212250 bytes

- unicasts, 47519150 broadcasts, 12121681 multicasts, 0 pauses

Input (normal): 61745144 packets, - bytes

205227373 unicasts, 47519150 broadcasts, 12121681 multicasts, 0 pauses

Input: 0 input errors, 0 runts, 0 giants, 0 throttles

0 CRC, 0 frame, - overruns, 0 aborts

- ignored, - parity errors

Output (total): 1395522 packets, 183608303 bytes

- unicasts, 13 broadcasts, 1273860 multicasts, 0 pauses

Output (normal): 1395522 packets, - bytes

0 unicasts, 13 broadcasts, 1273860 multicasts, 0 pauses

Output: 0 output errors, - underruns, 1 buffer failures

0 aborts, 0 deferred, 0 collisions, 0 late collisions

1-8

0 lost carrier, - no carrier

Table 1-3 display interface command (in bridge mode) output description

Field Description

GigabitEthernet3/0/1 current state Physical state of the Ethernet interface

IP Packet Frame Type Ethernet framing format on the interface

Description Description of the interface

Loopback Loopback testing status of the interface

Unknown-speed mode The interface will negotiate a speed with its peer.

unknown-duplex mode The interface will negotiate a duplex mode with its peer.

The Maximum Frame Length The maximum Ethernet frame length allowed on the interface

Broadcast-suppression ratio

Broadcast suppression threshold as a percentage of the interface

transmission capability. When the threshold is exceeded, the interface

drops broadcast packets.

Unicast MAX-ratio

Unicast suppression threshold as a percentage of the interface

transmission capability. When the threshold is exceeded, the interface

drops unknown unicast packets.

Multicast MAX-ratio

Multicast suppression threshold as a percentage of the interface

transmission capability. When the threshold is exceeded, the interface

drops multicast packets.

PVID Default VLAN ID

Mdi type Cable type

Port link-type Link type of the interface, which could be access, trunk, and hybrid.

Tagged VLAN ID

VLANs for which the interface sends packets without removing VLAN

tags.

Untagged VLAN ID

VLANs for which the interface sends packets after removing VLAN

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