. - RouterA>enable. - RouterA#. , ...">
Clever Geek Ideas

Команды Cisco: описание, возможности, инструкция по работе

Cisco ( ), . , , , , , , . Cisco.

IOS

Cisco Internetwork (IOS) Cisco. [ ]>, . , Cisco "enable" :

  • RouterA>.
  • RouterA>enable.
  • RouterA#.

, , :

  • RouterA#configure terminal or config t for short.
  • RouterA(config)#.

. , . , Fastethernet 0/0, Cisco :

  • RouterA(config)# interface fastethernet 0/0.
  • RouterA(config-if)#.
  • Prompt RouterA(config-if)#.

. , :





  • RouterA(config-if)# ?.

(CLI)

3 , IOS:

  1. EXEC (). . >, . , Cisco: Router>.
  2. , Privileged EXEC. , . , «#» . , . , . . Privileged : Router #.
  3. ( Cisco cli). . Privileged , «configure terminal». Ctrl-Z. : Router(config)#.

: (config) # . .





Cisco . , .





Cisco:

  1. . .
  2. . , EXEC EXEC Telnet.
  3. .
  4. . , , .
  5. .

, .





« »

Cisco . , , : Cisco 2960, 3560, 3750, 4500, 6500. .

Cisco




« », Cisco:

  • .
  • (, PuTTY), .
  • «Switch>».
  • «Enable» .
  • «Switch #».
  • (1 ).
  • Cisco , (2 ).
  • , (3 ).
  • Telnet (4 ).
  • , IP- Telnet (5 ).
  • IP- , IP- Vlan 1 (6 ).
  • (7 ).
  • . , . , 48- , 25 48, 8 .
  • . , , SNMP-, NTP, AAA , , 9 .
« »




, - Cisco.

Cisco




, «hostname». .

, , - . . «Message Of The Day» (MOTD). , , .





, , , , . , . . , , enable, Cisco :RouterA (config) # enable secret TEST.

. ( telnet ), . telnet, vty [ ] [ ]. Cisco IOS 5 - 0 4.

IP- «ip address». , . . . Cisco.

Cisco




, . : «show». :

  • .
  • .
  • .

(CSU / DSU). , .

DTE (Data Terminal Equipment), DCE (Data Communication Equipment). . . DTE.

, , . Cisco Certified Network Associate (CCNA) , Cisco.

hostname. Cisco - , . , Cisco (CDP), , . , : , , (-).

ip default-gateway. , IP- , , IP, 2 . , IP-, «show ip route». IP- , :

  • SW1 # show ip route.
  • - 10.10.10.1.
  • Host Gateway.
  • .
  • .
  • ICMP SW1 #.

username. . . :

  • ( ).
  • Cisco, . MD5 .
  • / , Telnet SSH.

enable. , . Cisco IOS , . : . .

CLI Packet Tracer

Cisco




- , Cisco. , , Cisco packet tracer. , CLI.

, , CLI. CLI, Cisco . IOS . , , , . , . Cisco packet tracer, , "?".

:

  • telnet.
  • IP- .
  • IP- .
  • .
  • .
  • , RIP.

Show Router

Cisco




show Cisco: show ip route, show ip interfaces brief, show version, show flash, show running-config, show startup-config, show controller. «show» . Cisco . , .

:

  • «enable» . Cisco IOS - .
  • , , «show».
  • «show» , .

, , . , , , :

Router#show interface.

. , . , :

Router#show interface [type slot_# port_#].

Cisco




, , , , MTU, . . , .

Cisco




VLAN

1990- Cisco , VLAN . : Cisco Inter-Switch Link (ISL).

ISL VTP, VLAN. 1 2 VLAN. . VTP - VLAN , 3, 2009 .

(VLAN) - , . VLAN - , .

VTP , . VLAN , , vlan Cisco (, ).

ping

ping , . ICMP « ICMP » « ICMP», , . ping , .

ping , . Ping , , .

ping Cisco, IP- . 1 2 "" . , , , .

Cisco




Cisco. , . . - Cisco.

, . :

  • C> show running-config.
  • (NVRAM)> show startup-config.
  • ->show flash.
  • Cisco>show history.
  • Config Startup Config#copy running-config startup-config.
  • ( / / / / / )>show version.
  • ( / )>show clock.
  • , >show users.
  • Cisco.
  • exec & non-exec (console / aux / telnet)>enable#configure terminal#enable password Enable Pass1.
  • #line console 0#login#password ConsolePass 1#exit.
  • #line aux 0##password AuxPass1#exit.
  • #line vty 0 4#login#password TelnetPass1#exit.
  • ( )>enable#configure terminal#enable secret EnableSecret 1#exit.

:

  • >enable#configure terminal#banner motd &#banner line 1#banner line2 &#exit.
  • >enable#configure terminal#hostname router1#prompt route r 01#exit.

Cisco:

  • Config : Config#copy running-configuration startup-configuration.
  • Config : TFTP#copy running-configuration tftp.
  • TFTP Running: Config#copy tftp running-configuration.
  • NVRAM:#erase NVRAM.

:

  • >show ip interface brief.
  • rmation >show interfaces.
  • Single Interface>show interfaces serial 0.
  • >show ip interface serial 0.
  • 3- >show protocols.
  • IP->show ip protocols.
  • IP (, )>show ip route.
  • >show hosts.
  • >enable#configure terminal#interface serial 0#description this is the serial0 link to router2#exit.
  • IP #configure terminal#interface Ethernet 0#ip address 10.1.1.251 255.255.255.0#exit.
  • #configure terminal#interface Ethernet 0#no shutdown#exit.
  • ( )#configure terminal#interface Serial 1#shutdown#exit.

:

  • ( DCE - )R1 #configure terminalR1 #interface serial 0R1 #clock rate 56000R1 # no shut.
  • R2#configure terminalR2#interface serial 0R2#no shut.
  • #configure terminal#interface serial 0#bandwidth 64#clock rate 64000#exit.

:

  • Loopback IP- :#configure terminalR1#interface loopback 0R1#ip address 10.1.100.1 255.255.255.0R1#no shut.
  • CDP ( Cisco).
  • CDP >show cdp.
  • CDP>show cdp interface.
  • CDP>show cdp neighbors.
  • CDP>show cdp neighbors detail.
  • CDP , >show cdp entry R4.
  • / CDP:#configure terminal(config)#cdp timer 45.
  • / CDP:#configure terminal(config)#cdp holdtime 60.
  • CDP :#configure terminal(config) #no cdp run.
  • CDP :#configure terminal(config) #cdp run.
  • CDP :#configure terminal(config) #interface Ethernet 0(config-if) #no cdp run.
  • CDP :#configure terminal(config) #interface Ethernet 0(config-if) #cdp run.

, .



More articles:


All Articles