幾種辦法:
1. Hub (DSL連接UPLink, 兩台電腦各自一孔) They both belong to one "Collision Domain", which will effect your network performance when downloading large files.
2. Switch (DSL連接Uplink, 可同時連接多台電腦, 看switch機型) Each computer is under its own "Collision Domain", but all computer is under one BroadCast domain.
3. Router (DSL-->Uplink, 同時可連多台電腦) Each computer is in its own Collision domain and Broadcast domain