Umehluko obalulekile phakathi kwe-aungqimba-2 ukushintshakanye a ungqimba-3 ukushintshaukuthi isendlalelo sephrothokholi esisebenzayo sihlukile. Iswishi ye-layer-2 isebenza kusendlalelo sesixhumanisi sedatha, futhi iswishi ye-layer-3 isebenza kungqimba yenethiwekhi.

Kungaqondwa kalula njengendawo yokushintsha ungqimba 2. Ungacabanga ukuthi inomsebenzi wokushintsha kuphela, okusho ukuthi, ingacubungula amafreyimu wedatha kuphela. Ngaphezu komsebenzi weswishi yesendlalelo 2, iswishi yesendlalelo sesi-3 nayo inomsebenzi womzila wesendlalelo 3, okusho ukuthi ingacubungula idatha. Isikhwama.

(1)Izishintshi ze-Layer 2 sebenza kusendlalelo sesibili sesendlalelo sesixhumanisi sedatha semodeli yesithenjwa ye-OSI. Imisebenzi eyinhloko ihlanganisa ikheli lendawo, ukuhlola amaphutha, ukulandelana kozimele, nokulawula ukugeleza.

(2) Aungqimba-3 ukushintshaiyithuluzi elinomsebenzi wokushintsha ungqimba-3, okungukuthi, ungqimba-2 olunomsebenzi womzila we-layer-3, kodwa luyinhlanganisela yezinto ezimbili, hhayi nje i-hardware yedivayisi ye-router nesofthiwe Ebekwe phezu kwe-LAN switch. .