Cisco HSRP – What is Hot Standby Router Protocol
Cisco HSRP or Hot Standby Router Protocol is one of the First Hop Redundancy Protocol (FHRP). HSRP is Cisco propriety protocol which provide gateway level …
What is an Autonomous System?
An Autonomous System (AS) is any large network that shares similar routing policies and operates within a single administrative domain. Each AS is assigned a …
What is Null Interface or blackhole in router ?
Null interface is a virtual logical interface which always remains up. Null interface is not visible like other physical interfaces such as Ethernet or Gigabit …
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 article on …
Roles and Responsibilities of network engineer
A network engineer is responsible for designing, implementing, and maintaining the computer networks that support an organization’s data and communications systems. This can include both …