[Openstack] [Neutron][VXLAN] PPTP VPN problem
    Mārtiņš Jakubovičs 
    martins-lists at hostnet.lv
       
    Thu Jan  5 16:20:31 UTC 2017
    
    
  
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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