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GRE over IPv6 is faster than native IPv4 for me

Networking by Lou1 1 replies 125 views
9 #1

GRE tunnel over IPv6 beating native IPv4
Same endpoints same provider
Sustained 15-20% better throughput

  • Tested with iperf3
  • Multiple times of day

Makes no sense to me

Contabo on one end RackNerd on the other both claim native v4 and v6. Anyone else seeing this

#2

Weird I have make same test last week with my setup at OVHcloud and Hetzner and yes v6 path is faster lol I dont understand why carriers do this maybe they want push v6 so bad they throttle v4 on purpose or its just congestion on old v4 gear who knows

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