Can you please
Type 192.168.0.1 (192.168.100.1 in Modem mode) into your browser URL bar and press enter.
Hub 2 & 3 When the page appears DO NOT LOG IN but click ‘Check Router Status’.
Hub 4 When the page appears LOG IN then Advanced Settings > Tools > Network Status.
Copy and paste the contents of the Downstream, Upstream, Configuration and Network Log tabs onto here, if you get a yellow / straw box warning click the Post button again.
Use one post for each tab if you wish.
Please do not use screen shots.
A Guru will be along soon to decipher the info.
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BT Smart Hub 2 with 70Mbs Download,18Mbs Upload, 9.17ms Latency & 0.35ms Jitter.