According to the company, we are using a VRF from our MX100 to their hosting firewall.  The didn't remove the original tunnel but they changed all the routes so they don't use the old tunnel.    It seems more like the anti-spoofing might be blocking something.  They are confirming they attempt to send traffic back to us, but nothing is crossing back except for pings.   We are planning on doing another attempt sometime soon and having Meraki tech support on the phone the entire time.  I'm not optimist though as the last time they were on the line they kept blaming it on the company's end.   I'm also at the point where if they can't resolve it on that call then I'm moving the MX100 to a VPN passthrough and putting our SonicWall back as our main firewall. ... View more