What is the first attribute to be used in determining the best path when a BGP router has multiple paths for the same network prefix length?
- weight
- lowest MED
- local originated
- local preference
Explanation: The BGP best-path algorithm uses the attributes, in the following order, for the best-path selection:
- Weight.
- Local preference.
- Local originated (network statement, redistribution, or aggregation).
- AIGP.
- Shortest AS_Path.
- Origin type.
- Lowest MED.
- EBGP over IBGP.
- Lowest IGP next hop.
- If both paths are external (EBGP), prefer the first (oldest).
- Prefer the route that comes from the BGP peer with the lower RID.
- Prefer the route with the minimum cluster list length.
- Prefer the path that comes from the lowest neighbor address.
Exam with this question: Quiz - Multicast
Exam with this question: Chapter 13: Quiz - BGP Path Selection CCNPv8 ENARSI
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