QuestionQ3

Routing Policy and Manipulation

Drag and drop the BGP route-selection attributes from the left into the correct sequence on the right. Not all options are used.

Drag & Drop
lowest router ID
highest router ID
lowest local preference
if both paths are external, prefer the newest path
highest local preference
highest weight
eBGP over iBGP paths
if both paths are external, prefer the oldest path
lowest MED
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Explanation

BGP selects the path with the highest Weight, then the highest local preference. Among the listed later tie-breakers, it prefers the lowest MED, then an eBGP path over an iBGP path, then the oldest path when both paths are external, and finally the lowest router ID.

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