AS Path
Indicate path back to the route source and prevents routing loops.
Border Gateway Protocol implementation and best practices
Indicate path back to the route source and prevents routing loops.
The Power of Local Preference. The first BGP attribute used to favor one route over another.
BGP uses different attributes to control the advertisement and influence path selection
How to influance the route selection with the approptiate attributes.
This article explains the different states during the BGP neighbor negotiation