Thanks. ONT I got is Zyxel PM5313-00 the latest 2.5G Wan and Lan ports from Openreach.
Testing ping using CMD from Windows 11 Pro
Windows PowerShell
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PS C:\Users\W11> ping bbc.co.uk
Pinging bbc.co.uk [2a04:4e42:200::81] with 32 bytes of data:
Reply from 2a04:4e42:200::81: time=6ms
Reply from 2a04:4e42:200::81: time=6ms
Reply from 2a04:4e42:200::81: time=6ms
Reply from 2a04:4e42:200::81: time=6ms
Ping statistics for 2a04:4e42:200::81:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 6ms, Maximum = 6ms, Average = 6ms
PS C:\Users\W11>
Edited by adslmax (Sat 10-Jan-26 21:41:04)