2 laboratoriya ishi kommutatorda port xavfsizligi (port security) ni sozlash ishlatilmayotgan portlarni o`chirish


Port-security sozlanishlari haqidagi ma’lumotlarni ko`rish



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Lab ish2

Port-security sozlanishlari haqidagi ma’lumotlarni ko`rish


switch# show port-security

switch# show port-security interface fa0/3



switch# show port-security address

Topshiriq

  • 2.4-rasmda keltirilgan tarmoq topologiyasini Cisco Packet Tracer dasturida tuzish talab qilinadi;

  • Har bir kompyuter uchun IP manzilni sozlang va MAC manzillarni 2.2-rasmda ko`rsatilgandek aniqlang;

  • Kommutatorning har bir portlariga xavfsizlik ko`rsatkichlarini sozlang;

  • 2.1-jadvalga yuqorida keltirilgan topshiriqlarni kiriting.



2.4-rasm. Tarmoq topologiyasi.

2.1-jadval

Qurilma

IP-manzil

МАС-manzil

Interfeys

Port rejimlari

Laptop0

192.168.1.1

00E0.F902.D683

Fa0

n/a

Laptop1

192.168.1.2

000B.BE9B.EE4A

Fa0

n/a

Laptop2

192.168.1.3

00D0.5819.04E3

Fa0

n/a

Laptop3

192.168.1.4

0004.9AB9.DAC2

Fa0

n/a

Laptop4

192.168.1.5

00D0.BAC2.8C58

Fa0

n/a

Laptop5

192.168.1.6

0000.0C6E.01E0

Fa0

n/a

SW1

N/A

N/A

Fa0/1

sticky

SW1

N/A

N/A

Fa0/2

mac-address

00D0.5819.04E3

SW1

N/A

N/A

Fa0/3

violation protect

SW1

N/A

N/A

Fa0/5-24

Shutdown

SW2

N/A

N/A

Fa0/1

restrict

SW2

N/A

N/A

Fa0/2

restrict

SW2

N/A

N/A

Fa0/3

Protect

SW2

N/A

N/A

Fa0/4

maximum 4


Ishni bajarish tartibi

Switch>enable

Switch#configure terminal

Switch(config)#hostname Sw1

Sw1(config)#interface fa0/1

1. Portni access rejimiga o`zgartirish

Sw1(config-if)#switchport mode access

2. Portda port-securityni ishga tushurish

Sw1 (config-if)#switchport port-security
3. Secure-MAC ni dinamik aniqlashni ko`rsatish

Sw1 (config-if)#switchport port-security mac-address sticky

Sw1 (config-if)#exit

4. Secure-MAC ni statik aniqlashni ko`rsatish

Sw1(config)#interface fastEthernet 0/2

Sw1(config-if)#switchport mode access

Sw1(config-if)#switchport port-security

Sw1(config-if)#switchport port-security mac-address 000B.BE9B.EE4A

Sw1(config-if)#end

5. Xavfsizlik buzilishigi javob berish rejimini sozlash

Sw1(config)#interface fastEthernet 0/3

Sw1(config-if)#switchport mode access

Sw1(config-if)#switchport port-security

Sw1(config-if)#switchport port-security mac-address sticky

Sw1(config-if)#switchport port-security violation protect

Sw1(config-if)#end

6. Ishlatilmayotgan portlarni o`chirish

Sw1(config)#interface range fastEthernet 0/5-24

Sw1(config-if-range)#shutdown

7. Portda secure-MAC maksimal soni N ni ko`rsatish (Bu buyruq Sw2 kommutatorga tavsiya etiladi)

Switch>enable

Switch#configure terminal

Switch(config)#hostname Sw2

Sw2(config)#interface fa0/4

Sw2(config-if)#switchport mode trunk

Sw2(config-if)#switchport port-security maximum 4

Sw1(config-if)#switchport port-security violation restrict


8. Natijani tekshirish

Switch#show port-security interface fa 0/1
Port Security : Enabled
Port Status : Secure-up
Violation Mode : Shutdown
Aging Time : 0 mins
Aging Type : Absolute
SecureStatic Address Aging : Disabled
Maximum MAC Addresses : 1
Total MAC Addresses : 0
Configured MAC Addresses : 0
Sticky MAC Addresses : 0
Last Source Address:Vlan : 0001.63B4.E4A6:1
Security Violation Count : 0

9. Sozlamalarni saqlash

Switch#copy running-config startup-config




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