Motorola NVG510 Root Telnet Commands.

set ip.dns.primary-address 8.8.8.8
set ip.dns.secondary-address 8.8.4.4
set ip.dns.domain-name google-public-dns-a.google.com
apply
save
I also set the MTU to 1492 since it’s better for the dsl without PPOE.

telnet port 28