[Openstack] [Neutron][VXLAN] PPTP VPN problem
jpetrini at coredial.com
Thu Jan 5 16:46:55 UTC 2017
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> 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
> Ideally your physical server connecting to switch port must have
> configured with atleast 1600 MTU in order for VXLAN traffic to work
> On Thu, Jan 5, 2017 at 9:30 PM, Mārtiņš Jakubovičs <
> 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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