OSI & TCP/IP Layer Model

OSI & TCP/IP Layer reference for CCNA 200-301 exam
Packet Tracer - ACL

CCNA Practice LAB – ACL

Download our free practice lab developed in Cisco Packet Tracer that helps you to practice Access Control List and understand the concept easily.
Packet Tracer HSRP

CCNA Practice LAB – HSRP

Download our free practice lab developed in Cisco Packet Tracer that helps you to practice HSRP. CCNA Practice Lab.

CCNA Practice LAB – Default Route and Static Routing

Download our free practice lab developed in Cisco Packet Tracer that helps you to practice Dynamic NAT and understand the concept easily. CCNA Practice Lab.

CCNA Practice LAB – Dynamic NAT

Download our free practice lab developed in Cisco Packet Tracer that helps you to practice Dynamic NAT and understand the concept easily. CCNA Practice Lab.

CCNA Practice LAB – NAT

Download our free practice lab (using Cisco Packet Tracer) and configuration steps to simulate and learn Static NAT and PAT for CCNA course.
Configure Cisco NTP

Configure NTP on Cisco

This article explains you in detail about NTP configuration on Cisco devices. There are two ways to configure. First I explain about simple NTP configuration…

Cisco Switch is not prompting for enable password

If you experience something like your Cisco Switch or Router is not prompting for enable password and directly logs into privilege mode then you have…