BGP Best Path Selection
🪧

BGP Best Path Selection

  1. highest weight
This is a value that is local to the router, and it’s Cisco proprietary. The default value is 0 for all routes not originated by the local router
  1. Local Preference
The local preference is used within an autonomous system and exchanged between iBGP routers. We prefer the path with the highest local preference. The default value is 100.
  1. Locally Originated
  1. Shortest AS Path
Will drop if own AS is in the path
  1. Lowest Origin Type (i < e < ?)
  1. Lowest MED (metric)
  1. eBGP over iBGP
  1. Lowest IGP metric to neighbor
  1. Older route
  1. Lowest Router ID
Â