@Rawnak My idea was to compare both WAN port negotiated speed of your C6 v2 and C64 and then wireless speed between your device and your C6 v2 and C64. If they are the same then there's no...

@Rawnak Yes, C64 can handle 100 mbps line as well. You just didn't mentioned any details about your old router tech specs (line speed), your ISP modem tech specs (line speed) and the wireless speed...

@Rawnak This kind of issue could be due to C64 WAN port negotiated speed: or C64 wireless settings:

@AvyO It would do the job.

@Hoodholmes Either in router mode or AP mode you should use AXE5400 WAN port to connect to your BT Smart Hub 2 LAN port. Here's the difference between router mode and AP mode. When AXE5400 is...

@infernox A gigabit network switch would be best - check these.