Yintoni iMask Mask?

I-Subnet Mask Inkcazo kunye nemizekelo

I-subnet mask yi- IP efana neyona dilesi efana ne-subnetwork apho ikhompyutha okanye enye ifowuni yenethiwekhi. Inombolo ye-32-bit ehlula idilesi ye-IP kwiinkalo zayo zombini: idilesi yenethwekhi kunye nedilesi yomkeli.

I-subnet mask (ebizwa ngokuba yi-netmask), ngoko, ihlelwe njengale: . Ukuthunyelwa kwe-subnet kukwahlula icandelo lomphathi kwi < .

I-subnet mask idalwe ngokubeka zonke iintambo ze-intanethi ukuya kwi-1 kunye ne-host bits kwi-0s. Intanethi igcina iidilesi ezimbini ezingenakunikwa kwimikhosi, kwaye ezo zibandakanya 0 kwidilesi yenethiwekhi kunye ne-255 kwidilesi yokusasazwa.

Imizekelo yeMask Mask

Ezi zi-netmasks ezisetyenzisiweyo kwiCandelo A (16-bit), iCandelo B (16-bit), kunye ne-C-C (24-bit) amanethiwekhi:

Cinga idilesi ye-IP 128.71.216.118. Ukuba sicinga ukuba idilesi yeBlasi, amanani amabini okuqala (128.71) achaza idilesi yenethiwekhi yeCandelo B ngelixa ezimbini zokugqibela (216.118) zichonge idilesi yomhlali.

Bona ngaphezulu malunga ne-subnet masks kwi- Subnet Masks kunye ne-Subnetting tutorial.