www.boosla.com

http://www.boosla.com/

CCNA course 1-1

Explained By: Ahmad Nabil

...

CCNACisco

80%

.

ICND.

Cisco Routers Operating System Software

IOSInterconnecting Operating System

Switches Routers.

CCNA course 1-1

Explained By: Ahmad Nabil

v:

/Router

Router

.

IOS.

ProcessorRAM ( Random Access Memory)4

.

) (

CCNA course 1-1

Explained By: Ahmad Nabil

:

RAM (1 PC

.

ROM (2Boot Strap Password Recovery

.

Flash Memory (3 Hard DiskIOS

.

NVRam (4Non Volatile RAM)(Startup Configuration File

.

2600 Series

.

CCNA course 1-1

Explained By: Ahmad Nabil

Series800

Series1700

Series2600

Series3700

Series7600

Series10000

Series12000

Carrier Routing System

CCNA course 1-1

Explained By: Ahmad Nabil

/ ) :ProcessBoot (

ICND

6:

i

POST ( Power On Self Test )

.

ii

Boot Strap

.

iii

IOS712.

iv

FlashRAM.

v

Startup ConfigNVRam.

vi

Setup Mode.

.

:

.

CCNA course 1-1

Explained By: Ahmad Nabil

/Router

.

2501-f.

.26012609

2500Zoom

7500Zoom

CCNA course 1-1

Explained By: Ahmad Nabil

....

:1. Console2.Auxiliary3.Telnet

1(Console:------ ------- ------------ -------- ------- ------- --

.:

-:Roll OverConsole Cable

ConsoleUTP8.

)Console(

82736

.

-:Connector

RJ45Serial.

)(

CCNA course 1-1

Explained By: Ahmad Nabil

Serial

CPU Serial

.

ConsoleRJ45 Console

. Auxiliary.

) Console Auxiliary(

.Software

CCNA course 1-1

Explained By: Ahmad Nabil

2(: Auxiliary-- -------- ------- ------- -------- ------- -----------

Aux PortPinsModemAnalog Line

.CCNA

Console.""

) AUX(

3(Telnet:------ ------- ------- -------- ------- -----------

Telnet SessionsTelnetLogical

.

Command PromptWindows.

Command PromptWindows.:

Start Run cmd " Windows XP, Windows2000, Windows2003 "Start Run command " Widows9x, WinMe, NT "

CCNA course 1-1

Explained By: Ahmad Nabil

ConsoleAux

CCNA course 1-2

Explained By: Ahmad Nabil1

IOS Access Commands

Console PortTera Term.

.

GUI Graphical User Interface.

IOS.

..

/outer LoginR

:

1- Router Con0 in now available2- Press RETURN to get started3- Router>

1-Console001.Console

1Con1.

2-Enter.

3-.

.">""Router".

."User Exec Mode".

CCNA course 1-2

Explained By: Ahmad Nabil2

/:

:1-"""enter"

.)(

2-"tab". Configure"tab".

3-:enableena

Configureconfigconfterminalt

Router Simulator.

.

CCNA course 1-2

Explained By: Ahmad Nabil3

/ Configuration ModeGlobal

:1-User Mode2- Privileged Mode3- Global Configuration Mode

1(User Exec Mode:

Telnet Ping Show.">"

.:Router>

2(Privileged Mode: enable

User ModeSetupDebug

."# ".

:Router> enableRouter#

3(Global Configuration Mode:

.

HostName. Configure Terminal

Privileged Mode."#")config (.:

Router> enableRouter# configure terminalRouter(config)#

.Exit .

..

CCNA course 1-2

Explained By: Ahmad Nabil4

/sAccess Point

.

ConsoleAuxiliarytelnet.

. User Mode.

Telnet..

..

/ Mode PasswordEnable

.Enable Mode Password User Exec Mode Privileged Mode

IP.

enable mode password.

/Secret Password

Privileged)ClearText(

.

..

CCNA course 1-2

Explained By: Ahmad Nabil5

/:

.

1(enable mode password: User ModePrivileged Mode

.:

PrivilegedRouter> enable Router#config t

Router (config)#enable password ciscogitex

:User Mode">"

enablePrivileged.Privileged"#"

config tconfigure terminal.Global Configuration Mode)config(

" #." enable password ciscogitexciscogitex)

(.

ciscogitex.

exit.

CCNA course 1-2

Explained By: Ahmad Nabil6

2(enable secret:

enable secret:

PrivilegedRouter> enable Router#config t

Router (config)#enable secret ciscogitex

ciscosecret.

CCNA course 1-2

Explained By: Ahmad Nabil7

enable.

PrivilegedJ

3(Access Points:

:

Console:User Mode

Console.

PrivilegedRouter>enaRouter#config tRouter(config)#line con 0

ConsoleRouter(config-line)#loginconsoleRouter(config-line)#password console

ctrlzRouter(config-line)#^zRouter#

CCNA course 1-2

Explained By: Ahmad Nabil8

Console

Console

CCNA course 1-2

Explained By: Ahmad Nabil9

AUX:User Mode

AUX.

PrivilegedRouter>enaRouter#config tRouter(config)#line aux 0

ConsoleRouter(config-line)#loginauxRouter(config-line)#password aux

ctrlzRouter(config-line)#^zRouter#

aux0con0Aux.Aux

.

telnet:

..

PrivilegedRouter>enaRouter#config t

Router(config)#line vty 0 4telnetRouter(config-line)#login

telnetRouter(config-line)#password telnetctrlzRouter(config-line)#^z

Router#

:vtyVirtual Terminal.telnet

38198.

...

CCNA course 1-2

Explained By: Ahmad Nabil10

4(Encrypt all passwords:

Clear Text. Privileged enable secret.

Privileged:

.

.

:

PrivilegedRouter>enaRouter#config t

service password-encryptionRouter(config)#

service password-encryption).(

IOS.

com.forislam@gitex.

.J