Recently upgraded to fibre large from medium however the ping seems to vary.
A few days ago it was 5ms which was great and it's now 35. Download wise using http://supportal-test.co.uk/ last night I was getting 25mb and am now 48mb this morning.
Speaking to talktalk last night they have passed this on to the network service desk. Ref: 13154732
Could this be an exchange issue? Could you chase this please and advise next steps? Thanks