Cannot register with Sophos Central

Question

Hi, 
 
 after I changed port type from dhcp (using firewall behind ips router) to pppoe (using fw to establish connection). I cannot register with Sophos Central using email and OTP or enable Red service. Internet works but quite slow (will open another thread for this) 
 
 I have Sophos account, and that firewall was allready added and deleted from portal because after pppoe and public ip change it cannot communicate with Sophos Central 
 
 Please help. 
 Carlo

Vivek Jagad · Accepted Answer

Hello Carlo , Thank you for reaching out to the community, you can follow the following steps via CLI Menu > Press 5 for the device management > Press 3 for advance shell: > To find out the status: central-register --status > To de-register: central-register --unregister And then try to re-register the appliance with the Sophos Central with the following KBA - https://docs.sophos.com/nsg/sophos-firewall/19.0/Help/en-us/webhelp/onlinehelp/AdministratorHelp/SophosCentral/HowToArticles/CentralRegisterOTP/index.html

Carlo · Answer

Thank you. This has to do something with my bad PPPoE connection. After I changed back to copper vdsl 40/10 everything is fine. My speed on PPPoE is not bad, but something is not wright with connection. Please check my thread about that 
 
 https://community.sophos.com/sophos-xg-firewall/f/discussions/135562/pppoe-connection-on-xgs-2100-sfos-19-0-0-ga-build31---slow-page-loading/501169#501169

LuCar Toni · Answer

DPI should not be in the mix for this issue. 
 Try: $ openssl s_client -showcerts -connect utm.cloud.sophos.com:443

Cannot register with Sophos Central

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