@Clive_A No problem Attched the DHCP packet log so you can view the raw data - of note: Next server IP address: 192.168.1.1 no option 66 sent - 67 is sent correctly I'm not deep enough into the tech...

ER605 still not changing next server address with option 66 as of this release - I know this was fixed on the E7206 earlier this year - do we know if this is on the 'list' to fix for the 605 at some...