What is network layer routing?

Table of Contents

Routing is a process that is performed by layer 3 (or network layer) devices in order to deliver the packet by choosing an optimal path from one network to another.

What are Layer 2 routing protocols?

Layer 2 protocols or network L2 protocols are a list of communication protocols used by Layer 2 devices (such as network interface cards (NIC), switches, multiport bridges, etc.) to transfer data in a wide area network, or between one node to another in a local area network.

What are the 4 basic processes used at the network layer?

The network layer defines communication over the network through four basic processes which are addressing, routing, encapsulation and decapsulation.

What is TCP IP routing protocol?

A route defines a path for sending packets through the Internet network to an address on another network. Defines a gateway that can forward packets to a specific host on another network. Defines a gateway that can forward packets to any of the hosts on a specific network.

What are the types of routing protocols?

7 types of routing protocols

Routing information protocol (RIP)
Interior gateway protocol (IGRP)
Enhanced interior gateway routing protocol (EIGRP)
Open shortest path first (OSPF)
Exterior Gateway Protocol (EGP)
Border gateway protocol (BGP)
Immediate system-to-immediate system (IS-IS)

What are L2 and L3 protocols?

There are several sorts of network protocols. Layer 2 − The second layer is the data link layer. Data link layers 2 are best shown by Mac addresses and Ethernet. Layer 3 − Layer 3 is a network layer that identifies the best available communication channel in the network. Layer 3 is exemplified by an IP address.

What is layer 3 routing?

Simply put, a layer 3 switch combines the functionality of a switch and a router. It acts as a switch to connect devices that are on the same subnet or virtual LAN at lightning speeds and has IP routing intelligence built into it to double up as a router.

What are the three main functions of a network layer?

Functions of Network Layer:

Internetworking: This is the main duty of network layer.
Addressing: Addressing is necessary to identify each device on the internet uniquely.
Routing: In a network, there are multiple roots available from a source to a destination and one of them is to be chosen.

What are the features of a network layer protocol?

The following sections contain descriptions of some of the routing protocols and features that are often available in wireless routers.

Static IP Routing.
Dynamic IP Routing.
Dynamic Host Configuration Protocol Server.
Network Address Translation.
Point-to-Point Protocol over Ethernet.
IP Address Access Control Lists.