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2.2.4 BGP

More BGP

1. Route Dampening It is used to stop unstable routes from being forwarded throughout the network. When a route flaps, a penalty is assigned to the route (Default: 1000 per flap). A timer called Half-Life is used to reduce the penalty value to half (Default: 15 min). If the penalty …

BGP Attributes

1. BGP Data Structures 1.1 Neighbor Table The address in the bgp summary table shows the IP used in the peering, not the Router ID. 1.2 BGP Table Lists all prefixes learned from all peers If no routes towards a destination show the “>” code, you should investigate why no …

BGP 101

1. Starting the Routing Process 1.1 Define the routing process Only one BGP process can run on a router and it can be started using: The AS Number used to be a 16 bits number ranging from 0 to 65535. According to RFC 4893, the AS number can have 32 …