What is RIP?
RIP is a distance vector routing protocol.
RIP is a Classful routing protocol.
RIP uses hop count as its only metric for path selection.
RIP have administrative Distance is 120
Advertised...
Router basic command and static route configuration

Topology Diagram
IP address table:
Learning Objectives
Perform basic configuration tasks on a router
Configure and activate Serial and Ethernet interface
Test connectivity
Gather information...
Configure FTP server in VirtualBox PC to save Start-up configure file.

In this video I already show how to Add virtual-box PC into GNS3.
As you know, ftp server is a common repository of start up-config file. Use ftp server we can protect our device configuration...
How to access User Mode in GNS3?
Normally, When we start Router, Switch... in GNS3 it will automatic enter to Privilege Mode. So you also can not execute some commands in User Mode for example Enable, Show...In order to prevent Emulation...
How to add Catalyst Switch in GNS3?
In GNS3 you can not add images for Cisco Catalyst Switch. So all of you will have same with me question.How to make a emulation with Cisco Catalyst Switch? Don't worry about this inconvenient....
CCNA Static route
Router R1 ports:
- f0/0 ip address: 60.61.62.1/24
- f0/1 ip address: 192.168.1.1/24
Router R2 ports:
- f0/0 ip address: 60.61.62.2/24
- f0/1 ip address: 10.11.12.1/24
Router R3 ports:
-...
GNS3 tutorial books
The GNS3 is the most useful simulator software. This document will help you to make the acquaintance with GNS3 and apply it for you studying.
...
Emulator Software and ISO Download
1. GNS3-1.2.1-all-in-one
2. Links to download GNS3 router ISO
3. Link to download Cisco Packet Tracer
...
CCNA books
Document CCNA_v4 ENG Full:
ccna_v4_exploration1_eng
ccna_v4_exploration2_eng
ccna_v4_exploration4_eng
ccna_v4_exploration4_eng
...
Connect GNS3 router to Internet via Physical network adapter
LAB diagram
Step 1: Create a loop back interface. Open run and type hdwwiz.exe to open the “Add New Hardware Wizard...