Четвртиот проблем е ако преносниот сметач е надвор од границите на базната станица што ја користи и се наоѓа во досегот на друга базна станица; потребно е да се најде начин за нивно меѓусебно комуницирање. Конекцијата помеѓу 802.11 системот и надворешниот свет е наречена порта (portal).<ref>Computer Networks, Fourth Edition - By Andrew S. Tanenbaum p. Chapter 1 1.5.4 Wireless LANs: 802.11</ref>
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