[Openstack] [Neutron][VXLAN] PPTP VPN problem
martins-lists at hostnet.lv
Thu Jan 5 16:48:46 UTC 2017
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?
> John Petrini
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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.
>> 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,
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