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Аxborot texnologiyalari bo`limining samaradorligini oshirish:
VLAN
tarmog`i
tarmoqni
boshqarishni
soddalashtiradi.
Yangi
kommutatorni
ekspluatatsiyaga kiritishda ko`rsatilgan portlarda kerakli
qoida va jarayonlarni
amalga oshiradi. Аxborot texnologiyalari mutaxassislari VLAN ga tegishli nom
bilan tarmoqni funktsiyasini tezda aniqlashadi.
Har bir VLAN tarmoqda qaysidir bir IP tarmoqqa tegishli bo`ladi. VLAN ni
loyihalashda tarmoq adreslashining ierarxik tizimini
amalga oshirishni inobatga
olish lozim. Ierarxik adreslash degenda tarmoqni to`liq ishlashida VLAN tarmog`i
yoki IP tarmoqning segmentlarini tartibli berilgan raqamlanishi tushiniladi.
Vlan tarmoqlari asosan 2 xil diapazoda bo`ladi:
1.Standart – 1 dan 1005 gacha
2.Kengaytirilgan – 1006 dan 4094 gacha
Kommutator portlari VlAN 1 ga oldindan biriktirilgan bo`ladi (default vlan, native
vlan = 1)
5.1-rasm. VLAN 1 ga biriktirilgan portlar ro‘yxati
1 topshiriq bo`yicha laboratoriya ishini bajarish tartibi
5.2-rasmda ko`rsatilgan topologiya bo`yicha Sw1, Sw2 kommutatorlar
uchun asosiy konfiguratsiyalarni sozlang.
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5.1-jadval
Qurilma
IP-manzil
Gateway
VLAN ID
Interface
Port rejimlari
Laptop0
192.168.10.1 192.168.10.254
vlan 10
Fa0/1
Access
Laptop1
192.168.10.2 192.168.10.254
vlan 10
Fa0/2
Access
Laptop2
192.168.30.1 192.168.30.254
vlan 30
Fa0/5
Access
Laptop3
192.168.30.2 192.168.30.254
vlan 30
Fa0/6
Access
Laptop4
192.168.20.1 192.168.20.254
vlan 20
Fa0/3
Access
Laptop5
192.168.20.2 192.168.20.254
vlan 20
Fa0/4
Access
Laptop6
192.168.10.3 192.168.10.254
vlan 10
Fa0/1
Access
Laptop7
192.168.10.4 192.168.10.254
vlan 10
Fa0/2
Access
Laptop8
192.168.20.3 192.168.20.254
vlan 20
Fa0/3
Access
Laptop9
192.168.20.4 192.168.20.254
vlan 20
Fa0/4
Access
Laptop10 192.168.30.3 192.168.30.254
vlan 30
Fa0/5
Access
Laptop11 192.168.30.4 192.168.30.254
vlan 30
Fa0/6
Access
SW1
-
-
Vlan
10,20,30
Fa0/7
Trunk
SW2
-
-
Vlan
10,20,30
Fa0/7
Trunk
Sw1 va Sw2 kommutatorlarda VLAN (10, 20, 30)
yaratish va unga mos
ravishda nom berilishi (bugalteriya, student, dekanat).
Switch>enable
Switch#conf terminal
Switch(config)#hostname Sw1
Sw1(config)#vlan 10
Sw1(config-vlan)#name bugalteriya
Sw1(config-vlan)#exit
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Sw1(config)#vlan 20
Sw1(config-vlan)#name student
Sw1(config-vlan)#exit
Sw1(config)#vlan 30
Sw1(config-vlan)#name dekanat
Sw1(config-vlan)#exit
Switch>enable
Switch#conf terminal
Switch(config)#hostname Sw2
Sw2(config)#vlan 10
Sw2(config-vlan)#name bugalteriya
Sw2(config-vlan)#exit
Sw2(config)#vlan 20
Sw2(config-vlan)#name student
Sw2(config-vlan)#exit
Sw2(config)#vlan 30
Sw2(config-vlan)#name dekanat
Sw2(config-vlan)#exit
Switch da yaratilgan Vlanlarni ko`rish
Kommutator portlarini Vlan ID larga biriktirish
Sw1(config)#interface fastEthernet 0/1
Sw1(config-if)#switchport mode access
Sw1(config-if)#switchport access vlan 10
Sw1(config-if)#exit
Sw1(config)#interface fastEthernet 0/2
Sw1(config)#interface fastEthernet 0/3
Sw1(config-if)#switchport mode access
Sw1(config-if)#switchport access vlan 20
Sw1(config-if)#exit
Sw1(config)#interface fastEthernet 0/4
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Sw1 va Sw2 kommutatorlar o`rtasida trunk rejimini
sozlash va magistral
liniya bo`yicha aniq VLAN ID ta’yinlash.
Sw1(config)#interface fastEthernet 0/7
Sw1(config-if)#switchport mode trunk
Sw1(config-if)#switchport trunk allowed vlan 10,20,30
Sw1(config-if)#end
Sw1#show running-config
Yuqorida keltirilgan buyruq bitta kommutatorga sozlansa yetarli boladi,
sababi 2 chi kommutator 1 chi kommutatorga ulangan interfeysini (fa0/7)
avtomatik trank rejimini o`tkazadi
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