| Subject | English | Portuguese |
| comp., MS, Braz. | backup designated router | roteador designado de backup (An OSPF router that forms adjacencies with all other routers on a multiple access network and becomes the designated router when the designated router becomes unavailable) |
| comp., MS, Braz. | designated router | roteador designado (An OSPF router that forms adjacencies with all other routers on a multiple access network) |