Asas pengenalan router cisco.

Salam,

ni ada sedikit pengetahuan tentang router cisco yang very da basic. sama2 la kite kongsi ye..

Basic 1:

Mula start router Cisco.

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--- System Configuration Dialog ---
Continue with configuration dialog? [yes/no]:
Press RETURN to get started!
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Note: Boleh pilih yes or no
Prefer ko amik no sebab ko bleh configure sendiri without wizard

Basic 2:

Enter, akan keluar Router>
Masukkan command di bawah utk enable kan console
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Router>enable
Router#

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Basic 3

Check the previous configuration/current configuration, using command show run (sh run -- shortcut)

Cth:
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Router#show run
Building configuration...

Current configuration : 211 bytes
!
version 12.2
no service password-encryption
!
hostname Router
!
!
!
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
shutdown
!
ip classless
!
!
!
--More--
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Basic 4

Bagi membolehkan configuration dilakukan di terminal, masukkan command configure terminal (config t -- shortcut).

Cth:
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Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#

Basic 5 :-

Rename mana-mana routers.

******************************************************8
command - hostname

Cth:
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Router#enable

Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Penang(config)#
Router(config)#hostname Penang
Penang(config)#

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Basic 6:-

As we know, setiap routers mempunyai tiga interfaces:-

1. console

2. fastethernet/ethernet (mengikut model router cisco)

3. serial (connection kepada NT)
Setiap fastethernet 0/0 bagi setiap routers yang disambungkan pada switch perlu enable.

interface fastethernet 0/0 (int fa0/0 - shortcut)
no shutdown (no shut - shortcut)

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Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Klang(config)#
Klang(config)#interface fastethernet 0/0
Klang(config-if)#no shut
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%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Basic 7

Set IP address pada interfaces

cth klu nk ltk ip address kt stiap (f/a0/0)
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Klang(config)#interface fastethernet 0/0
Klang(config-if)#ip add 192.168.1.1 255.255.255.0
Klang(config-if)#no shut
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klu nk ltak ip address kt serial (se0/0)
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Klang(config)#interface se0/0
Klang(config-if)#ip add 192.168.2.1 255.255.255.0
Klang(config-if)#clock rate 64000 (klu serial cable tu DTE kot.. ehehe)
Klang(config-if)#no shut
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Basic 8

Set IP route

Cth: Router Klang ke router Penang(192.168.2.2 255.255.255.0).

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Klang(config)#ip route 192.168.2.2 255.255.255.0 192.168.2.1

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Basic 9:

Summary interface dalam router

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Klang#sh ip int brie

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 10.12.6.254 YES NVRAM up up

FastEthernet0/1 unassigned YES NVRAM administratively down down

BRI0/0/0 unassigned YES NVRAM up up

Serial0/1/0 58.139.174.106 YES NVRAM up up

Dialer2 unassigned YES NVRAM standby mode down

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Basic 10:

Status backup ISDN:

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Klang#sh isdn st

Global ISDN Switchtype = basic-net3

ISDN BRI0/0/0 interface

dsl 0, interface ISDN Switchtype = basic-net3

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 81, Ces = 1, SAPI = 0, State = TEI_ASSIGNED

Layer 3 Status:

0 Active Layer 3 Call(s)

Active dsl 0 CCBs = 0

The Free Channel Mask: 0x80000003

Total Allocated ISDN CCBs = 0

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Command lain untuk backup ISDN

#sh isdn actà untuk tgk status ISDN yg running ketika least/serial line down

#sh isdn hisà untuk tgk history ISDN selepas least line up

#isdn test call int bri0/0/0 0193903554 à untuk test call dri router.

Basic 11:

Check environment dlm router.

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FAMIP-UMA-CE01-MC901>SH ENVI

Main Power Supply is AC

Fan 1 OK

Fan 2 OK

Fan 3 OK

System Temperature: 34 Celsius (normal)

Environmental information last updated 00:00:19 ago

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Basic 12:

Testing connection(ping test)

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Klang#ping 192.168.3.4

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.3.4, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 8/8/8 ms

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Trace route. Perjalanan data hingga ke destinasi(58.139.164.70)

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KDRMA-01A-CE01-PUJ01#traceroute 58.139.164.70

Type escape sequence to abort.

Tracing the route to 58.139.164.70

1 58.139.157.193 0 msec 0 msec 4 msec

2 58.139.164.69 [AS 23736] 0 msec 0 msec 4 msec

3 58.139.164.70 [AS 23736] 8 msec * 4 msec

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stakat tu la dulu ye...nnt klu ada mase dan kerajinan kite sam bung balik.