I have had a FritzBox 7340 vdsl router for 3 years and started to drop dsl connection so replaced it with ASUS-AC56U and issues solved and also speed is much better :)
But now having trouble connecting to my work vpn using the ASUS. I can connect to the VPN but I cannot RDP to any of the servers, also cannot ping any of the servers. It is as if the ASUS router is blocking the vpn connection. So I switched back to my old FritzBox and all good again, except for the intermittent connection drops off course.
On the asus I disabled the firewall and also checked that all NAT passthrough's are enabled. By default PPPoE Relay was disabled. So I enabled that but no difference.
Any ideas what else I can try?