Amaliy ish №5 Fizik sathda malumotlar almashinishni tashkil qilishning xususiyatlari.(2 soat) Ishni bajarishdan maqsad

Kanday kilib tarmok tuguni rakamini, tarmok rakami, va xammaga mulljallangan broadcast adres rakamlarini belgilash mumkin?

Buning uchun xar bir bitlariga moslab maskani IP adres ga logik kupaytirib chikiladi.

Masalan 1.

Berilgan:

IP adres 192.168.31.240, S sinfi (maska 24 bit).

Topilsin:

Tarmok rakami, tarmokdagi tugun(xost) rakami, ommaviy uzatish (berilgan tarmok chegarasida tarkatiluvchi broadcast adres).

IP adres 11000000 10101000 00011111 11110000

maska 11111111 11111111 11111111 00000000 (255.255.255.0)

---------------------------------------------------------------------------

Tarmok rakami 11000000 10101000 00011111 00000000 (192.168.31.0)

Xost rakami 00000000 00000000 00000000 11110000 (0.0.0.240)

Ommaviy uzatish 11000000 10101000 00011111 11111111 (192.168.31.255)

Masala 2.

IP adres 12.200.17.242, 23 bitli tarmok.

IP adres 00001100 11001000 00010001 11110010

maska 11111111 11111111 11111110 00000000 (255.255.254.0)

---------------------------------------------------------------------------

Tarmok rakami 00001100 11001000 00010000 00000000 (12.200.16.0)

Xost rakami 00000000 00000000 00000001 11110010 (0.0.1.242)

Ommaviy uzatish 00001100 11001000 00010001 11111111 (12.200.17.255)

Masala 3.

IP adres 12.200.17.242, 29 bitli tarmok.

IP adres 00001100 11001000 00010001 11110010

maska 11111111 11111111 11111111 11111000 (255.255.255.248)

---------------------------------------------------------------------------

Tarmok rakami 00001100 11001000 00010001 11110000 (12.200.17.240)

Xost rakami 00000000 00000000 00000000 00000010 (0.0.0.2)

Ommaviy uzatish. 00001100 11001000 00010001 11110111 (12.200.17.247)

Maksimal 4 mlrd adreslar (2³²)

Xar bir ishlatuvchiga unikal adres ajratish muammosi

Xizmat sifatini ta’minlash

Xavfsizlik ta’minlanmaydi

IPv6 1992 yil yaratildi va maksimal 2¹²⁸ = 340,282,366,920,938,463,463,374,607,431,768,211,456 ta adreslar Formati: x:x:x:x:x:x:x:x

Xar bir m² ga (6.67 * 10²⁷) ta adres

IP v6 adresi

fabc:de12:3456:7890:ABCD:EF98:7654:3210