Cisco 2811 Router FAN Replacement Procedure
Sometimes we face a hardware issue with the router where we have to replace the faulty component of the Router. This is the procedure for FAN Replacement task. In this …
VLAN Trunking Protocol (VTP) and how it works
VLAN Trunking Protocol or VTP defines a Layer 2 messaging protocol that let the switches share VLAN configuration information so that the configuration of VLAN remains consistent throughout that network. …
Cisco HSRP – What is Hot Standby Router Protocol
HSRP or Hot Standby Router Protocol is Cisco propriety protocol to provide redundancy in IP Network & ensure that in case Gateway Router (First hop router) fails, user traffic gets …
How Firewall Works
What is Firewall ? A firewall is a network security device that monitors outgoing and incoming network traffic and protects the internal network by filtering the traffic / packets based …