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Site to Site VPN Split Mode for Office365?

hi guys,

we are having issues with our Site-to-Site VPN connecting to Office365.

Location A, in Germany with a SG330 - Location B, in China with a UTM 210. A and B are connected via Site-2-Site Ipsec VPN which works fine.

Now we started to use O365 in Location A.

A group of test Users from Location B joined this week.

As far as i understood O365 they should get connected to the nearest Microsoft Datacenter!? But apparently all connections from B are routed to the European Datacenter which causes long loading times and timeouts. Is it possibly, similar to the RED options to setup a Split mode so that only internal traffic is routed to location A and all O365 traffic to the nearest MS Datacenter?

Thankful for any idea...

Regards



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  • If their traffic is being routed to the European Datacenter, Christopher, it's something about their O365 setup because the traffic is not transiting this IPsec tunnel.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Ok, Thanks for your help. How did you come to that conclusion?

    Our O365 Provider told us that the problem is the VPN Tunnel not the O365 Settings...

     

  • Christopher, the only traffic in that tunnel is between the devices in "Internal (Network)" in China and those in "Internal (Network)" in Germany.

    If I can provide irrefutable proof of that, is the O365 provider ready to pay me for my time? [:)]

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • Christopher, the only traffic in that tunnel is between the devices in "Internal (Network)" in China and those in "Internal (Network)" in Germany.

    If I can provide irrefutable proof of that, is the O365 provider ready to pay me for my time? [:)]

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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