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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 
> <martins-lists at hostnet.lv <mailto:martins-lists at hostnet.lv>> 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
>>     <martins-lists at hostnet.lv <mailto:martins-lists at hostnet.lv>> 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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