What is bgp and it's attributes

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BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks.

BGP is used to connect different autonomous systems (AS) on the internet.
It uses path vector routing to determine the best path for data to travel between networks.
BGP has several attributes that determine the path selection, including AS path, next hop, local preference, and weight.
AS path is a list of AS numbers that the route has traversed, and BGP prefers shorter AS paths.
Next hop is the IP address of the next router in the path, and BGP prefers routes with reachable next hops.
Local preference is a value set by the network administrator to indicate the preferred path for outbound traffic.
Weight is a Cisco-specific attribute that is used to influence the path selection within a single router.
BGP is commonly used by internet service providers (ISPs) to connect their networks to each other and to other networks.
BGP is a complex protocol that requires careful configuration and monitoring to ensure proper operation.

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