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very slow S2S VPN over ExpressRoute

  • 1.  very slow S2S VPN over ExpressRoute

    Posted May 01, 2020 01:44 AM
    we connect between azure and on-premise by IKEv2 VPN on FG VM(6.2.x, 4Core/8GB) and FG3600c(6.2.x).
    The latency(RTT) in pure ExpressRoute is under 40msec, but over VPN tunnel , latency is over 200msec.
    Does anyone have any idea to solve this too long delay?

    Thank you.