Ki te haere iho te DR o nāianei te BDR o nāianei ka riro i te DR hou, me te he pōtitanga hou te wahi ki te kitea i tētahi atu BDR. Ki te haere iho te DR hou ka riro i te DR o nāianei, me te DR taketake e wātea ana inaianei, tonu tīpakohia mua BDRs ki te whāinga o te whakaiti i te waka whatunga mā te whakarato i te puna mō ngā whakahoutanga arataki. mau tonu te DR he ripanga topology oti o te whatunga, me te tuku i te whakahoutanga ki te tahi atu routers mā multicast. ka hanga routers katoa i roto i te wāhanga whatunga maha-urunga i te hononga pononga / ariki ki te DR. ka hanga ratou adjacencies ki te DR me te BDR anake. wa tonoa e te pouara he whakahou, ka tuku i te reira ki te DR me te BDR i runga i te wāhitau maha 224. e kore e taea e te DR te tuku i te DR ki waho i te tahi atu routers katoa i roto i te rohe maha-urunga, ki te katoa 220.
ka riro te BDR o nāianei hei DR hou, ā, ka tū tētahi pōtitanga hou hei kimi i tētahi atu BDR