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 …
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 …
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 …
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 …