I am tying, but all the time VPN starts with 1500 MTU.


On 2017.01.05. 18:46, John Petrini wrote:
Is ppp0 your VPN interface? Have you tried lowering thee MTU on the VPN?

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On Thu, Jan 5, 2017 at 11:20 AM, Mārtiņš Jakubovičs <[email protected] <mailto:[email protected]>> wrote:

    Network it self are working great, but I just have issue with PPTP.

    If I lower MTU in instance interface, it didn't help.

    On 2017.01.05. 18:11, Prashant Shetty wrote:
    Could you try setting MTU lesser value say 1200 on instance
    interface and re-try?.
    Ideally your physical server connecting to  switch port must have
    configured with atleast 1600 MTU in order for VXLAN traffic to
    work seamlessly.

    Thanks,
    Prashant

    On Thu, Jan 5, 2017 at 9:30 PM, Mārtiņš Jakubovičs
    <[email protected] <mailto:[email protected]>> wrote:

        Hello all,

        I have problem to setup PPTP VPN behind floating IP's in
        instances which have VXLAN network. Maybe someone had same
        issue and can recommend something? In security groups I
        allowed protocol's 47 traffic and VPN client can connect but
        it can't establish connection, I consider, maybe issue are
        with MTU, so VXLAN have MTU 1450, but if I watch ip link
        show, I can see that ppp0 interface creates with MTU of 1500.

        Best regards,

        Martins


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