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Re: Network Techy Question

From Andy Burns <usenet@andyburns.uk>
Newsgroups uk.comp.homebuilt
Subject Re: Network Techy Question
Date 2026-05-21 11:52 +0100
Message-ID <n786gmFo0udU1@mid.individual.net> (permalink)
References <xn0pq1dr6b6ufks00p@news.individual.net>

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Jeff Gaines wrote:

> I just spoke to Plusnet, who want to take my landline away, and said my 
> Internet speed had dropped from 30 Mb/s to 12 Mb/s over the last 4 years.
> 
> They ran a check and said I had 5 WiFi devices and 12 wired devices 
> connected to my router which is only designed to connect  3 devices!

Seems pretty low, what router is it?

> Presumably they can tap into my router?

Supplied by them? Yes.

Even without, they might use deep packet inspection to get clues about 
what's connected.

> Is there a way to run 2 different networks at home whereby all the PCs 
> can speak to each other but only some have Internet access? Way beyond 
> my ability.
There's good ways to do it (Separate SSIDs/VLANs and firewall rules) but 
there are "other" ways of doing it - e.g. for devices you want to have 
no internet, give them a non-existent gateway address.

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Thread

Network Techy Question "Jeff Gaines" <jgnewsid@outlook.com> - 2026-05-21 10:15 +0000
  Re: Network Techy Question Andy Burns <usenet@andyburns.uk> - 2026-05-21 11:52 +0100
    Re: Network Techy Question "Jeff Gaines" <jgnewsid@outlook.com> - 2026-05-21 11:20 +0000
      Re: Network Techy Question Andy Burns <usenet@andyburns.uk> - 2026-05-21 13:05 +0100
    Re: Network Techy Question Graham J <nobody@nowhere.co.uk> - 2026-05-21 12:41 +0100
      Re: Network Techy Question "Jeff Gaines" <jgnewsid@outlook.com> - 2026-05-21 11:49 +0000
        Re: Network Techy Question Andy Burns <usenet@andyburns.uk> - 2026-05-21 13:11 +0100
          Re: Network Techy Question "Jeff Gaines" <jgnewsid@outlook.com> - 2026-05-21 12:58 +0000
            Re: Network Techy Question Graham J <nobody@nowhere.co.uk> - 2026-05-21 14:29 +0100
              Re: Network Techy Question "Jeff Gaines" <jgnewsid@outlook.com> - 2026-05-21 13:45 +0000
                Re: Network Techy Question Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2026-05-21 15:29 +0100
                Re: Network Techy Question Graham J <nobody@nowhere.co.uk> - 2026-05-21 22:29 +0100
            Re: Network Techy Question Andy Burns <usenet@andyburns.uk> - 2026-05-21 15:26 +0100
  Re: Network Techy Question Marco Moock <mm@dorfdsl.de> - 2026-05-21 21:33 +0200
  Re: Network Techy Question Raj Kundra <raj@kundracomputers.co.uk> - 2026-05-24 21:00 +0100
  Re: Network Techy Question Raj Kundra <raj@kundracomputers.co.uk> - 2026-05-24 21:17 +0100

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