SP Lab: BGP Route Selection
Prefer the route with the lowest origin (IGP < EGP < Incomplete)
Prefer the route with the lowest MED; this comparison is only between routes advertised by the same external AS
Prefer EBGP routes to IBGP routes
Prefer the path with lowest IGP metric to the BGP next hop
Prefer the oldest route
Prefer the path received from the router with the lowest router ID
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