3Com 3C13618 Manuale operativo

3Com Router

Command Reference Guide — V1.00

http://www.3com.com/

Part No.

Published August 2003

3Com Corporation

350 Campus Drive

Marlborough, MA

01752-3064

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UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein are

provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial

Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided

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3Com and the 3Com logo are registered trademarks of 3Com Corporation.

Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of

Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc.

All other company and product names may be trademarks of the respective companies with which they are associated.

Getting Started

Chapter 1 Command Line Interface Commands........................................................................... 2

1.1 Command Line Interface Commands................................................................................... 2

1.1.1 display history-command ........................................................................................... 2

1.1.2 language..................................................................................................................... 3

1.1.3 quit.............................................................................................................................. 3

1.1.4 return.......................................................................................................................... 4

1.2 Basic System Management and Configuration Commands................................................. 4

1.2.1 clock........................................................................................................................... 4

1.2.2 display base-information............................................................................................ 5

1.2.3 display clock............................................................................................................... 6

1.2.4 display duration..........................................................................................................7

1.2.5 display processes cpu................................................................................................ 7

1.2.6 display processes memory......................................................................................... 8

1.2.7 display reboot............................................................................................................. 9

1.2.8 display sysname....................................................................................................... 10

1.2.9 display version.......................................................................................................... 10

1.2.10 reboot..................................................................................................................... 11

1.2.11 setup....................................................................................................................... 12

1.2.12 sysname................................................................................................................. 13

3Com Router Command Reference Guide — V1.00

Chapter 1 Command Line Interface Commands

1.1 Command Line Interface Commands

1.1.1 display history-command

Syntax

display history-command

View

All views

Parameter

None

Description

Using the display history-command command, you can view the history of

commands input by the current user.

By default, the operating system saves a maximum of 10 commands. You can access

them through the Up and Down keys on the keyboard.

Example

# Display the command history input by the current user.

[3Com] display history-command

No 1. interface ethernet 0

No 2. ip address 10.110.28.2 255.255.192.0

No 3. down

No 4. up

No 5. quit

No 6. rip

No 7. network 10.0.0.0

No 8. network 20. 0.0.0

No 9. quit

No10. display history-command

Getting Started

1.1.2 language

Syntax

language

View

System view

Parameter

None

Description

Using the language command, you can switch the language mode of the command

line interface.

By default, the language mode of command line interface is English.

Example

None

1.1.3 quit

Syntax

quit

View

All views

Parameter

None

Description

Using the quit command, you can return to the previous view from the current view.

In addition, you can return directly to the system view from the current view by

entering Ctrl+Q.

3Com Router Command Reference Guide — V1.00

Example

# Return from the Ethernet interface view to the system view.

[3Com-Ethernet0] quit

[3Com]

1.1.4 return

Syntax

return

View

All views

Parameter

None

Description

Using the return command, you can return to the system view from the current view.

In addition, you can directly return to the system view from the current view by

entering Ctrl+Q.

Example

# Return from the Ethernet interface view to the system view.

[3Com-Ethernet0] return

[3Com]

1.2 Basic System Management and Configuration

Commands

1.2.1 clock

Syntax

clock hour:minute:second day month year

View

System view

Getting Started

Parameter

hour:minute:second: Current clock. hour, ranging from 0 to 23; minute and second,

ranging from 0 to 59.

year/month/day:Current date. year, ranging from 1997 to 2097, month, ranging from

1 to 12, day, ranging from 1 to 31.

Description

Using the clock command, you can set the current date and clock of the router.

If the router is not yet equipped with a hardware real-time clock, the default clock

value is 0:0:0 1/1/1998 when the system is booted. If the router is equipped with a

real-time clock, the system will read the clock value when booted, and use it for

setting the system time.

When powered off, the routers stop keeping time, so it is necessary to reset the

current date and time for the router in a rigorous application environment.

For related commands, see display clock.

Example

# Set the current date and clock of the router to 0:0:0 Jan. 2nd, 2001.

[3Com] clock 0:0:0 2 1 2001

1.2.2 display base-information

Syntax

display base-information [ page ]

View

All views

Parameter

page: Display in pages.

Description

Using the display base-information command, you can view the basic information

of the system, including the information on version, current configuration, interface,

memory and traffic on the interface. This information helps the network administrator

and technical assistance engineers to learn the overall condition of the router.

3Com Router Command Reference Guide — V1.00

Example

# Display the basic system information.

[3Com] display base- information

……

---------------------Display Version-------------------

……

-------------------Display RunningConfig----------------

……

--------------------Display Interfaces------------------

……

-------------------Display Memory Detail------------------

……

--------------------Display Ip Traffic--------------------

……

-------------------Display Ip Interface-------------------

……

1.2.3 display clock

Syntax

display clock

View

All views

Parameter

None

Description

Using the display clock command, you can view the current date and time of the

system.

You can execute this command to find out if the system time is correct. If the system

time is incorrect, you can adjust it.

For related commands, see clock.

Example

# Display the current date and clock of the system.

Getting Started

[3Com] display clock

Current router time:05:46:04 Oct 10 2000

1.2.4 display duration

Syntax

display duration

View

All views

Parameter

None

Description

Using the display duration command, you can view the time duration from booting

of the router to executing of this command.

Example

# Display the time duration from booting of the router to executing this command.

[3Com] display duration

3Com R5640 uptime is 0 days 1 hours 38 minutes 4 seconds.

1.2.5 display processes cpu

Syntax

display processes cpu

View

All views

Parameter

None

Description

Using the display processes cpu command, you can view the occupation rate of

CPU in the current system.

3Com Router Command Reference Guide — V1.00

Example

# Display the occupation rate of CPU in the current system.

[3Com] display processes cpu

Current CPU load: 5%

1.2.6 display processes memory

Syntax

display processes memory { all | blksize size } [ detail ]

View

All views

Parameter

all: Display utilization of all memory.

blksize size: Display the utilization status of the memory block with specified size.

The optional size can be 32, 64, 128, 512, 1024, 2048, 4096 and 8192.

detail: Display the details of all memory slices (including memory block address, the

utilized length of the memory slice).

Description

Using the display processes memory command, you can view the utilization of

memory in the current system.

This command displays all the statistics information about memory, such as the size

of the memory, the size of each memory raw slice, the size of free memory and the

size of the memory utilized.

Example

# Display the utilization of all memory in the system.

[3Com] display processes memory all

Total: 19029120 Slice: 1300992 RawSlice: 1706596 Free: 16021532

--------------------------------------------------------------------

Slice Memory Usage:

Block Size 32 Free 1419 Used 420 Total 1839

Block Size 64 Free 5 Used 86 Total 91

Block Size 128 Free 1 Used 315 Total 316

Block Size 256 Free 4 Used 338 Total 342

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