Routing is the process of finding a path for data to travel from source to destination, primarily performed by routers. Default routing, known as the gateway of last resort, forwards packets to destinations not listed in the routing table. The document discusses various types of routing protocols, including interior gateway protocols like OSPF and RIP.

1. Introduction of Routing

2. What is Routing?
Routing is the process of
finding a path on which data
can pass from source to
destination. Routing is done
by a device called routers,
which are network layer
devices.

3. What is default
routing in CCNA?
Cisco CCNA – Default Gateway &
Default Routes. Default route which is
also known as the gateway of last
resort, is used in forwarding packets
whose destination address does not
match any route in the routing table.
We usually encounter the concept of
default gateways in our daily computer
life.

4. What does IP
routing do?
IP Routing is an umbrella
term for the set of
protocols that determine
the path that data follows
in order to travel across
multiple networks from
its source to its
destination. Data is
routed from its source to
its destination through a
series of routers, and
across multiple
networks.

5. What are
types of
routing?
Although there are many types of routing
protocols, three major classes are in
widespread use on IP networks :
● Interior gateway protocols type 1, link-
state routing protocols, such as OSPF
and IS-IS.
● Interior gateway protocols type 2,
distance-vector routing protocols,
such as Routing Information Protocol,
RIPv2, IGRP.

6. What is routing in
networking?
Routing Definition. Routing is the
process of moving packets across a
network from one host to a another. It
is usually performed by dedicated
devices called routers. Packets are
the fundamental unit of information
transport in all modern computer
networks, and increasingly in other
communications networks as well.

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