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SFOS 20.0.0 GA-Build222 DHCP ISSUES

Hello evryone.

after updating Sophos firewall to  SFOS 20.0.0 GA-Build222 the DHCP stop relaing ip adress in all network devisies, i try to desabel./enabled DHCP, reload firewall no result.

i was oblige to downgrade to SFOS 19.5.3 MR-3-Build652 and every thing goes On.

someone had this probleme ?



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  • I reconfigured the interface in ver 19.5.3-652.  That was definitely not fun.  It got locked twice and I had to do a  factory reset and reload backups.   I made sure there was no overlap in the subnets.  I think the reason it got locked up is because I missed  checking for the same subnet on two different physical ports.  The current configuration is shown below.  I used CIDR /24  on all ports and gave them a range in DHCP.  I may have had some overlap before, but there is none now.  All of my devices have access and I can from print from IPhone and Android using apps; they are on different subnets then the printers.  I had a lot of static addresses that needed to be adjusted so there was some significant down time.    With the new addressing I have tons of space (more that I will ever need) to add more devices.  After I verified that everything in ver 19.5.3 worked I upgraded to ver 20.0-222.  So far ver 20.0-222 is working, it only been up a couple of hours.  No locked ports this time.  In the previous scheme I tried to split up the same subnet  on several different ports.

  • My static addresses are set up in neighbors ARP-NDP,  not DHCP.  I only have one DHCP static IP.

  • Hi  Thank you for sharing the update with us and I hope things are fine until now with DHCP with V20..! 

    Regards,

    Vishal Ranpariya
    Technical Account Manager | Sophos Technical Support

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