VPN is not working after the update

[Centosuser]

Dear All,

We had VMware 5.5 with a virtual pfsense appliance using site to site VPN,

after the update to 6.5 the VPN stops working and can't get it working.

is this something related to the NIC Teaming ?

Can someone please advies why ?

see attached my NIC TEAMING Screenshots.

[mprazeres183]

Hi Centosuser,

I'm not quite sure what you mean by VPN is not working anymore after the HOST has been upgraded from a ESXi 5.5 to a 6.5 version.

What where you using? A VPN connection trough your Firewall, Router from Location A to Location B where only the ESXi Hosts are connected?

Just to be clear, as this is quite speciall.
You have a location A with 1 ESXi Host and a location B with another ESXi Host and they had a VPN so that they where connected together?

Can you please explain the configuration?

Or do you mean to one of the vGuests running on the ESXi Host, and it loost the connection to the VPN?

Best regards,

Marco

[RajeevVCP4]

are you using NSX ?

[cyberpaul]

Hi, has the pfSense VM lost connectivity alltogether? Or is it just the VPN that's not working?

If it is just the VPN, can you establish the tunnel? Is the MTU setting on vSwitch the same as it was before?

[Centosuser]

Thank you for your answer,

yes the connection was established before between the two Pfsenses on Location 1 on ESXI 1 and Location 2 ESXI2

the MTU on the Vswitch is 1500 on the ESXi 1 as showen on the picture on the ESXI2 there is a Hardware Pfsense.

see below screenshot of my vswitch and security

[cyberpaul]

Hi, so the tunnel is established and no data is going through, is that correct?

Can you confirm the tunnel status in both pfSenses by clicking on Status -> IPsec? You should see "Connected" on both sides.

[Centosuser]

Thank you so much guys for your support.

it was a issue with the MTU on the ISP router, we got this set up correctly and stuff start

working