DHCP Option 60 & 61
Addition of DHCP option 60 & 61 to allow connection of UTM to Sky Fibre. Sky uses these options for router identification and the username / logon details for the broadband service.
Any DDWRT router will support this
PFsense supports this
Billion routers now support this
TP link routers now support this
Come on Sophos, SKY is the largest broadband supplier in the UK