setting up a Message Relay for off prem devices.

Question

I have Sophos Enterprise 5.4.0 and I am looking for a guide on setting up a Message Relay for off prem devices. 
 
 I found 
 https://community.sophos.com/kb/en-US/14635 
 community.sophos.com/.../111484 
 
 But I am not sure if this is whats needed. 
 If it the links are what is needed do i put in the public IP or LAN IP on step 1.2 #5 "ParentRouterAddress"="10.1.200.65,MRComputer.Sales.Acme,MRComputer" 
 community.sophos.com/.../14635

QC · Answer

Hello JasonLehman, 
 the endpoints need the ParentRouterAddress to locate the next router (they don't care whether this is a relay or the Management Server). Thus for the off-premise ones it has to be the public IP (a more detailed description is in this post of mine ). If your MR has a public (non-NATed) IP no extra steps should be necessary. Whether or not please also read Using Sophos message relays in a public WAN . 111484 only applies when the MR is also a SUM. 
 Christian