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 …
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 …
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 or Hot Standby Router Protocol is one of the First Hop Redundancy Protocol (FHRP). HSRP is Cisco propriety protocol which provide gateway level …