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How to Advertise Multiple BGP Routes?
If more than one route for a given NLRI is announced then it is considered as an implicit withdraw for the former advertisement
New Optional Non Transitive attribute ECMP_NEXT_HOP introduced
NEXT_HOP attribute not mandatory if ECMP_NEXT_HOP present
Semantics of the BGP UPDATE message unchanged
Modify Phase 2 and Phase 3 of the Decision Process
PPT Version