Xavfsiz MAC-manzillarning maksimal soni

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MAC-manzillar jadvalini tozalash

Xavfsiz MAC-manzillarning maksimal soni
switchport port-security maximum N – bu bir vaqtda N sonli MAC-manzillar
interfeysda ishlashini anglatadi.
Masalan:

switch(config)# interface Fastethernet0/3

switch(config-if)# switchport mode access

switch(config-if)# switchport port-security maximum 3

switch(config-if)# switchport port-security

Xavfsizlik buzilishiga javob berish (реагирование) rejimini sozlash
Xavfsizlik buzilishiga javob berish ning uchta usuli mavjud:
switch(config-if)# switchport port-security violation

switchport port-security violation restrict – buzilishga javob berish
rjimini ko`rsatish. Bunda, agar interfeysda uchinchi notanish MAC-manzil paydo
bo`lsa, undan keluvchi barcha paketlar qabul qilinmaydi. Undan tashqari syslog,
SNMP trap, violetion counter ka`bi jurnallashtiruvchilarga xabar jo`natiladi.

switchport port-security violation shutdown- buzilish aniqlanganda
interfeysni error-disabled holatiga o`tkazadi va o`chiradi. Undan tashqari syslog,
SNMP trap, violetion counter ka`bi jurnallashtiruvchilarga xabar jo`natiladi. Ushbu
holatdan chiqarish uchun shutdown va no shutdown buyruqlaridan foydalaniladi.
Agar interfeysga switchport port-security violation protect buyrug`i
kiritilgan bo`lsa, unda notanish MAC-manzil paketlari qabul qilinmaydi va xech
qanday xabar yaratilmaydi, hamda port shutdown holatiga o`tmaydi.
Ushbu usullardan switchport port-security violation restrict ko`pchilik
hollarda tavsiya etiladi.
MAC-manzillar jadvalini tozalash
Boshqa qurilmalar ulanishi uchun MAC-manzillar jadvalini tozalash:
switch# clear port-security [all|configured|dynamic|sticky] [address
|interface ]
switch #clear port-security all
switch #clear port-security configured
switch #clear port-security dynamic
switch #clear port-security sticky

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