• Xavfsiz MAC-manzillarning maksimal soni
  • Xavfsiz MAC-manzillarni sozlash
  • 2- laboratoriya ishi mavzu: kommutatorda port xavfsizligi (port security)ni sozlash




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    2-Laboratoriya ishi615
    AxmedovBBTTop2, Maxsus transformatorlar-fayllar.org, 2-ma\'ruza, kommunal, Mavzu Beton va temir beton, temir konstruksiyalar tarixi. Reja, ИДП лотинча графикада, Aholi daromadlarining mazmuni, turlari va shakllanish manbalari, Aholi daromadlarining mazmuni 2022, jurnal yuzi, Kavkaz xalqlari kalendari, Elektr-1, 1697024799, Anvar, L.Saidova temir beton ppt
    Switch>enable
    Switch#conf t
    Enter configuration commands, one per line. End with CNTL/Z.
    Switch(config)#interface range fastethernet 0/3-24
    Switch(config-if-range)#shutdown

    Natijada tarmoqdagi quyidagi holat yuzaga keladi.





    2.5-rasm. Noutbok tarmoqga ulanish cheklanganligi holati

    Agar keyinchalik portlarni yana ishga tushurish kerak bo`lsa, no shutdown buyrug`idan foydalaniladi:




    Switch(config)#interface range fastethernet 0/3-24
    Switch(config-if-range)# no shutdown


    Cisco kommutatorlarida Port-security
    Port-securityni sozlash
    Port-security interfeysni sozlash kommutatorning port rejimlar orqali amalga oshiriladi. Ko`pchilik Cisco kommutatorlarida portlar odatda dynamic auto rejimida turadi, ushbu rejim port-security funksiyasiga to`g`ri kelmaydi. Shuning uchun interfeysni trunk yoki access rejimiga o`tkazish kerak:

    Switch>enable


    Switch#conf t
    Switch(config)#int range f0/1-2
    switch(config-if-range)# switchport mode access
    switch(config-if-range)#)# switchport port-security { Interfeysda port securityni ishga tushurish }


    Xavfsiz MAC-manzillarning maksimal soni
    switchport port-security maximum N – bu bir vaqtda N sonli MAC-manzillar interfeysda ishlashini anglatadi.
    Masalan:

    switch(config-if-range)# switchport port-security maximum 1





    Xavfsiz MAC-manzillarni sozlash
    Manzillarni dinamik saqlash (sticky) buyrug`i orqali ishga tushurish:

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


    Agar manzillarni statik tarzda kiritish kerak bo`lsa sticky buyrug`i o`rniga manzillar yoziladi:


    Switch
    (config-if) # switchport port-security mac- address 0050.3e8d.6400





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    2- laboratoriya ishi mavzu: kommutatorda port xavfsizligi (port security)ni sozlash

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