332 Cloud ComPuting networking
9.2 Routing
e conguration of routing protocols used by a router is often complicated and
requires more training. To understand how a router works, this section will start with
the explanation on how a router is used to link two networks.
9.2.1 Connecting Network Segments to Router
To surf the Internet, a student’s home network needs to be linked to the Internet.
e home network and the Internet use dierent technologies. A data packet framed
on the home network is dierent from the packet framed on the Internet. Also, the
home network is a private network and the Internet is a public network. e DNS
server, DHCP server, and subnet mask used by the home network are also dierent
from those by the public network. ...