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Latency mystery: Same destination, two paths, identical RTT

Networking by Emre10 4 replies 183 views
Emre10

Member OP

#1

My ECMP working too crazy here, two uplinks to same destination and RTT identical since 3 months, server not choosing one path, Important packets go random, I want prefer the cheaper path, how to make this? My router not listening to localpref, since forever this problem

minh1987

Member

#2

Hash based on L3/L4 header, yes? You try flow label or src port for influence?

phở at 3AM, deploy at 4
PR

Member

#3

What router OS is this, localpref should work on any real BGP stack

TO

Member

#4

Identical RTT for 3 months sounds suspicious, are both paths really the same distance

IT

Member

#5

Which flow label, ipv6

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