ccna1 chapter2 configuring a network operating system
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Capitolul 2Confgurarea sistemului de
operare
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Obiective
IOS
Accesarea echipamentelor
Moduri de confgurare
Confgurri de baz
Adresarea echipamentelor
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CCNA1
Ce este un sistem de
operare? Intera !ntre utilizator "i hard#are
Asigur un mediu !n care s rulezeaplicaiile
$estioneaz resursele calculatorului
%
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IOS
Internet#or& Operating S'stem
Mrimea este de ordinul M(
Sistem de operare multitas&ing careuncioneaz pe echipamente Cisco
)ormat din shell "i &ernel
Shell * C+I sau $,I
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Funciile IOS
.
IOS
Securitate
QoS
Rutare
Managementul
resurselor
Adresare
Interfee
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Fiiere de con!gurare
/unning confg Stocat in /AM Cuprinde setrile aplicate pe echipament
Startup confg Stocat in N0/AM
Confguraiile aplicate pe echipament lapornire
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"ipuri de memorii
/OM * /om Monitor bootloader 3OS4
N0/AM * startup5confg
/AM * tabela de rutare running5confgios
)lash * imagini ios f"iere confgurare
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#tape pornire ec$ipament
3OS4
(ootloader
7ncrcare imagine IOS )lash4)43 /OM
7ncrcare f"ier confgurare N0/AM4)43 Setup
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Accesarea ec$ipamentelor
Consol
A,9
4elnet
SS:
1;
Access out5o5band Cablu rollond am pierdutcone?iunea cu echipamentul
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Accesarea ec$ipamentelor
Consol
A,9
4elnet
SS:
12
Access in5band Cel puin o intera acti
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Accesarea ec$ipamentelor
Consol
A,9
4elnet
SS:
1%
Access in5band Cel puin o intera acti
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Moduri de con!gurare
Structur ierarhic
Comenzi specifce fecrui mod
3rompt specifc
Oer securitate
Se poate confgura autentifcare pentruaccesul unor moduri
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Moduri de con!gurare
,ser @9@C
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Moduri de con!gurare
,ser @9@C
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Moduri de con!gurare
,ser @9@C
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Moduri de con!gurare
,ser @9@C
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%avigare &ntre moduri
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,ser e?ec3ri
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Structura unei comen,i
/outerEconfgFDhostname /outer1
)iecare comand e?ecutat !n modul de care
aparine Comenzile nu sunt case5sensiti
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C-I .elp
Conte?t sensiti
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C-I .elp
Conte?t sensiti
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C-I .elp
Conte?t sensiti
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S$o/ version
2-
Router# show version
Cisco IOS Software, 3600 Software C3660!I!", $ersion 1%&3'(
()C Su**ort+ tt*+//www&cisco&com/tac
Co*-rigt c 1.6!%003 b- Cisco S-stems, Inc&
Com*iled (u 1!Se*!03 1+3 b- ccai
RO"+ S-stem 2ootstra*, $ersion 1%&06r(, R4)S SO5()R fc1
C3660!1 u*time is 1 wee7, 3 da-s, 6 ours, '1 minutes
S-stem returned to RO" b- *ower!onS-stem image file is 8slot0+tft*boot/c3660!i!m9&1%3!'&(8
Cisco 3660 R%x *rocessor re:ision 1&0 wit 3'';/1.%; b-tes of memor-&
)201055
R%x C
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0eri!carea interfeelor
Sho# ip interace brie
2
/outerD sh ip int br
Interace I35Address OQG Method Status 3rotocol
$igabit@thernet;; 2.%22 R@S manual administrati
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Fiiere de con!gurare
0izualizarea f"ierelor de confgurare
Sal
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Con!gur1ri deba,1
2
CCNA
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.ostname
=eault dispoziti
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-imitarea accesului
3ri
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-imitarea accesului
3rimpl dac nu olosim comanda loginG
%;
/outerEconfgFDline console ;/outerEconfg5lineFDpass#ord
cisco/outerEconfg5lineFDlogin
Acces prin consol Acces prin telnetssh/outerEconfgFDline
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Criptare i banner
Criptarea parolelor sal
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1
Alte con!guraii
=ezacti
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1
Adresareaec$ipamentelor
%%
CCNA
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1
Concepte de ba,1
Adresa I3 5 - numere T;52U separate deKK
Adresarea I3 5 identifcarea "i localizareaechipamentelor
I35urile pot f asignate porturilor fzice "i
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Adresare static1
Confgurare I3 pe s#itch olosind S0I
Confgurare I3 pe router olosind un portfzic
%
S#itchEconfgFDinterace
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Adresare automat1
='namic :ost Confguration 3rotocol
@chipamentele primesc automat adrese
I3 )olose"te sistemul Client5Ser
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"estarea conectivit1ii
0erifcarea intereelor
0erifcarea conecti
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Re,umat
Consol A,9 telnet ssh
,ser @?ec
3ri