What is BGP Local Preference Attribute? BGP Local Preference Attribute is an optional non-transitive BGP attribute that is used to influence the outbound traffic from a particular router. This attribute is local to each autonomous system, which means it has no impact beyond the AS boundary. The BGP Local Preference Attribute can be used by … Read more
What is BGP Flowspec? BGP Flowspec is a feature that extends the Border Gateway Protocol (BGP) to enable routers to exchange traffic flow specifications, allowing for more precise control of network traffic. The BGP Flowspec feature enables routers to advertise and receive information about specific flows in the network, such as those originating from a … Read more
What are Virtual Routing And Forwarding? Virtual Routing and Forwarding (VRF) is a technology that enables the creation of multiple virtual Layer 3 routing and forwarding instances on a single physical router. Each VRF instance is essentially a separate virtual router, with its own unique routing table, forwarding table, and other data structures. VRF allows … Read more
What is the Backbone Area of OSPF? The Backbone Area is the central area of an Open Shortest Path First (OSPF) network, and all other areas are connected to it. The Backbone Area is also known as Area 0. All OSPF routers must be members of the Backbone Area. The Backbone Area is the most … Read more
What is Administrative Distance? The administrative distance (AD) is a measure of the trustworthiness of the source of the routing information. It is used by routers to determine which route to install in the routing table when there are multiple routes to the same destination from different sources. Routes with a lower AD are installed … Read more