LevelOne GEP-2650 Manuale utente

GEP-2650

26-Port Web Smart Gigabit PoE Switch

802.3at PoE+,

24 PoE Outputs, 370W, 2 x SFP

User Manual

V1.0

Digital Data Communications Asia Co., Ltd.

http://www.level1.com

Introduction

Reader object

This book is suitable for the following personnel to read

Network Engineer

Technology promotion personnel

Network administrator

Relevant information

Manual name

Description

Product installation

manual

This manual describes some characteristics of the products in the functional and

physical, provides procedures, hardware installation troubleshooting, module

specifications of equipment, as well as the cable and connector specifications and

standards.

Product manual

commands

This manual does a detailed description of the product support configuration command.

Including a description of the command mode, parameters and using the guidelines,

and equipped with specific examples.

The product WEB

management manual

This manual supports various functional products‘ WEB interface and describiation, and

a detailed configuration example.

The book agreed…

the command line format conventions

By using the Arial command line font，The following specific correlation scheme:

Bold：Command keywords (unchanged must according to lose part of command) is represented by bold font.

Italic：The command line parameters (the actual value for replacement parts must be ordered in the italicized)

[ ] ：Represented by [] the enclosed part, in command configuration is optional.

{ x | y | ... }：Select one of the two or more options.

[ x | y | ... ]：Said to choose a or not selected from two or more options.

//：Started by the double slash line expressed as comments..

1) general format conventions

2) Terminal information display format：英文用 Courier New ，Chinese with Song typeface, font size 5,

representing the output information screen. The user with information from the terminal input information,

represented by the bold font.

3) various types of marks

The book also expressed in the operating process should pay special attention to place the various eye-catching

signs, these signs meaning：



s, tricks, the operation content descriptions are necessary supplement.

Statement:

It illustrates the port type part with the actual might be inconsistent, needs to be configured according to the

port types supported by the product of the actual operation.

This manual section for example display may contain other products information content (such as product

type, description), specific display information please refer to the actual use of the equipment information shall

prevail.

router and router icon mentioned in this manual, on behalf of the general meaning of the router, and run a

three layer switch routing protocol.

Table of contens

This section introduces the configuration guide related content, including the following：

1. Configuration command line interface

2. Configuration management

3. Configuration interface

4. Configure access/trunk port

5. Configure Link-aggregation Port

6. Configure VLAN

7. Configure MAC address

8. Configuration of POE

9. configuration IGMP Snooping

10. Configure SNMP

11. Configure SPAN

12. Configure the flow control based port

13. Anti-illegal DHCP Server

14. Anti-ARP-Spoofing

15. Port Rate Limit

16. Loopback Detection

17. Access Control

18. File system Configuration

1. Configuration command line interface

This section describes methods to use the command line interface, you can manage the network

equipment by using the command line interface

1.1. Command mode

Device management interface is divided into a number of different models, the user the command

mode determines the commands that you can use.

Enter a question mark button at the command prompt (?) can list every command mode to support the

use of command. When a user and network equipment management interface, a new session is

connected, the user first in the user model (User EXEC model)，You can use the user mode command.

In user mode, can only use a small amount of commands, and command functions also have some

limitations, such as the show command. User mode command operating results will not be saved.

To use all of the commands, you must first enter privilege mode (Privileged EXEC).Usually, enter

privilege mode password must enter privilege mode. In privileged mode, the user can use all the

privileges of command, and can enter global configuration mode.

Use the configuration mode (global configuration mode, interface configuration mode) command, will

have an impact on the current running configuration. If the user to save the configuration information,

these commands will be preserved, and perform again at system restart. To enter configuration mode,

you must first enter global configuration mode. Starting from the global configuration mode, can enter

interface configuration mode and other configuration sub model.

The following table lists the command mode, how to access each mode, mode of prompt, how to leave

mode. The assumption here network device name for the default "Switch”

Command mode.：

Command

mode

Access method

Prompt

To leave or access

mode

About the model

User

EXEC(user

mode)

First entered

the access

network

equipment.

Switch>

Enter the exit

command to leave

the mode.

To enter privilege

mode, enter the

enable command.

To carry out the

test, this model is

used to display

system

information

Privileged

EXEC(privile

ged mode)

In user mode,

use the enable

command to

enter this

mode.

Switch#

To return to user

mode, enter the

disable command.

To verify the

results of using

the set command

mode. This mode

is protected with a

password.

Command

mode

Access method

Prompt

To leave or access

mode

About the model

Global

configuration(

global

configuration

mode)

In privileged

mode, use the

configure

command to

enter this

mode

Switch(co

nfig)#

To enter global

configuration mode,

enter the configure

command.

To return to the

privileged mode,

enter the exit

command or the end

command, or type

Ctrl+Z

Using the mode

command to

configure the

network to set

global parameters.

Interface

configuration

（The

interface

configuration

mode）

In global

configuration

mode, use the

interface

gigabitEtherne

t_id command

to enter this

mode

Switch(co

nfig-if-Gig

abitEthern

et-0/1)#

To enter the

interface

configuration mode,

enter the interface

gigabitEthernet_id

command.

To return to the

privileged mode,

enter the end

command, or type

the Ctrl+Z key

combination.

Various interfaces

using the mode

configuration of

network devices.

Config-vlan

（The VLAN

configuration

mode)

In global

configuration

mode, use the

VLAN vlan_id

command to

enter this

mode

Switch( co

nfig-

vlan)#

To enter the VLAN

configuration mode,

enter the VLAN

vlan_id command.

To return to the

privileged mode,

enter the end

command, or type

the Ctrl+Z key

combination.

This model is used

to configure VLAN

Parameters.

1.2. get help

The user can enter a question mark button at the command prompt (?) lists the support each

command mode command. The user can also list the parameter information of the same command

keywords or each command. See the table below:

Command

Function

Help

Get the help system description information in

any Command mode.

Command

Function

abbreviated-command-entry?

To obtain the command key string the same

beginning.

Example：

Switch# di?

disable Turn off privileged commands

display Show something for debug

purpose

abbreviated-command-entry<Tab>

The command key integrity

Example：

Switch# show star<Tab>

Switch# show startup-config ?

Listed under the command of an associated

keywords.

Example：

Switch# show?

command keyword ?

The command key integrity.

Example：

Switch(config)# snmp-server community ?

<WORD> Community name

1.3. command

If you want to abbreviate command, only need to enter the command key part of a character, as long

as this part of the character recognition only enough command keyword.

For example show running-config The command can be written as：

Switch# show runn

1.4. The command can be written as

Almost all commands are no options. Usually, use the no option to disable certain features or

functions, or the executive and the command itself opposite operation. For example, interface

configuration command no shutdown performs the inverse operation interface off shutdown

commands, namely open interface. Used without no option keyword open characteristics are closed or

opened by default is closed.

Prompt information to understand CLI

The following table lists the user may be encountered in the use of CLI network management device

error messages.

CLI error information common：

Error message

Meaning

How to get help

% Ambiguous

command: "show

The user does not have enough

input character, network

equipment cannot recognize the

unique command.

Re enter the command, followed

by a ambiguous words enter a

question mark. May the entered

keyword will be displayed.

Type "speed ?" for

a list of

subcommands

The user does not enter the

command must be the key

word or variable parameters.

Re enter the command, input

space and then enter a question

mark. May be variable

parameter input keyword or will

be displayed.

% Invalid input

detected at '^'

marker

The user input command error,

symbol (^) indicates the error

word position.

Command mode prompt on the

seat under the input of a

question mark, this mode allows

the command key will be

displayed.

1.5. Use the history command

The system provides the user input command records. The characteristics in the input again long and

complex command will be very useful. From the command history records re call input commands,

perform actions in the following table:：

Operation

Result

Ctrl-P Or up arrow

Browse before a command in the command history table.

From the beginning of last record, repeated use of the

operation can query the earlier records.

Ctrl-N Or down arrow key

After using Ctrl-P or the key operational direction, using

the operation back to a command closer in history

command table. Use again the operation can query the

more recent record.

Tip ：the terminal supports standard keys.

1.6. Use the edit properties

The possibility of using this section describes the command line editing editing functions.

1.6.1. Edit shortcuts

Listed in the following table editing shortcuts：

Function

Operation

Result

Move the cursor in

the edit line.

Left arrow or Ctrl-B

Move the cursor to a character to the left.

Left arrow or Ctrl-B

Move the cursor to a character on the right.

Ctrl-A

Move the cursor to the first command line.

Ctrl-E

Move the cursor to the first command line

Delete the input

character.

Backspace

A character to delete from the cursor to the left

of the

Delete key

A character to delete from the cursor to the left

of the

Return key

When the contents are displayed by enter key

will output the contents to the rolling line,

showing a line of content, using only the output

is not the end.

Space key

When the contents are displayed using the

space bar will output the contents to scrolling a

page, the next page content, only in the output

content does not end use.

1.7. Visit CLI

Before using CLI, users need to use a terminal or PC and network equipment connection. To start the

network equipment, network software and hardware initialization can be used after CLI. in network

equipment used for the first time only when using the serial port (Console) connected network device,

called out of band (Outband) management.

2. Configuration management

2.1. Login authentication control

2.1.1. Summary

Through the authentication control can prevent illegal user access switch.

2.1.2. To configure the local user

To establish a user identity authentication, please in global configuration mode, according to specific

needs, execute the following command：

Command

Function

Switch(config)# user name [password

password | password encryption-type

encrypted password]

Use encrypted password based user

authentication

Command

Function

Switch(config-line)# login local

Set line login authentication local

2.1.3. Configuration line login authentication

To build the line login authentication, please in line configuration mode, according to specific needs,

execute the following command：

Step 1

2.2. System configuration

2.2.1. Summary

Each network device has its own system clock, the clock to provide specific date (year, month, day)

and time (time, minutes, seconds) and other information. For a network device, when the first time you

first need to manually configure the network equipment system clock for the current date and time. Of

course you can also, according to the need, the system clock correction at any time. The system clock

network equipment is mainly used for system log to record events.

2.2.2. Set the system time

You can set the network equipment on time by manual way. When you set the clock network

equipment, network equipment clock will you set the time is running down, even if the network

equipment, network equipment clock continues to run. So the network equipment clock settings once

in principle, do not need to be provided, unless you need to fix network equipment on time.

But for the network equipment do not provide the hardware clock, manually set the network equipment

on time is actually set the software clock, it only on the effective operation, when the network

equipment of electric, manual setting time to failure.

command

Function

Switch# clock Year

Month Day Hour Minute

Second

Date and set the clock system.

Such as the system time into 2003-6-20，10:10:12

Switch# clock 2003 6 20 10 10 12

Switch# show clock

FRI JUN 20 10:10:15 2003

2.2.3. View the system time

You can use the show clock in privileged mode command to display the system time information,

display format as follows：Switch# show clock // Display the current system time

FRI JUN 20 10:10:15 2003

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