BGP Routing Policies - BGP Path Attributes and the BGP Decision Process - The BGP Decision Process

3 important questions on BGP Routing Policies - BGP Path Attributes and the BGP Decision Process - The BGP Decision Process

Please write down the BGP Decision process

Next hop: reachble?
Weight Bigger
LOCAL_PREF Bigger
Locally injected routes Locally injected is beter than iBGP/eBGP
AS_PATH length smaller
Origin Prefer i over ?
MED smaller
Neigbhor type eBGP over iBGP
IGP metric to NEXT_HOP smaller

Oldest eBGP path
Lowest BGP RID

What does BGP do when two routes have the same AS_PATH length?

BGP chooses the first learned route as best

What does BGP do when overlapping NLRI's exists like 130.1.0.0/16 en 130.0.0.0/12?

BGP attempts to find the best route for each specific prefix/prefix length

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