Change to: MTU: 1432
mtu: 1400 is recommand by OPAL BROADBAND Technical support
Dsl modulation: G.DM
Generic router settings
Username: Your telephone number@talktalk.net, for example 02079460009@talktalk.net*
Password: Your TalkTalk broadband password*
VPI: 0
VCI: 38
MTU: 1432
DNS settings: Set to obtain automatically (or equivalent)
Encapsulation: PPP over ATM (PPPoA) using VC-MUX
Modulation Type: Auto
