I have a setup as above
All PA's are in single area 0.0.0.0 and links are type broadcast.
I am advertising a default route each from PA:1 and PA:3 to PA:2 with ext2.
When I enable ecmp on PA:2, I am able to see both default routes in RIB and FIB of PA:2.
When I disable ecmp,i am able to see only one default route either from PA:1 or PA:3 at a time.
My question is: with ecmp disabled, on what parameters PA:2 is calculating the cost and keeping a single default route in RIB and FIB?
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