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Re: Plusnet router does not recognise when some Ethernet devices are connected

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On 23/06/2026 21:51, Graham J wrote:
> NY wrote:
> 
> [snip]
> 
>>
>> And it suddenly began to work: I could ping the static address that 
>> I'd configured in the AP yonks ago (for some reason that I've long 
>> forgotten, I couldn't let the router's DHCP allocate an IP to the AP) 
>> and devices which were connected to the AP's wifi worked perfectly. 
>> Despite all this, the router *still* didn't report the AP as being 
>> connected ;-)
> 
> Possibly this router only "knows" about things it has issued an IP 
> address to?
Now there's an interesting theory. Why didn't I think of that? It's a 
bugger if you have any devices that have static IPs.

I like routers that have separate LEDs for each Ethernet socket and 
which give "link present" and "traffic occurring" indication.

The router looks a bit primitive compared with my trusty TPLink which 
allows me to define address reservation (ie MAC-to-IP mapping) so a 
given device always gets the same IP - useful if it's a 
network-connected printer which connects by IP rather than by a name 
that is resolved by NetBIOS or some other naming service. Address 
reservation is always better than static IP because it means that you 
can plug the device temporarily into a different LAN and it will still 
work without the possibility of IP clashes or wrong subnet - it will get 
a random IP that works, when it's on the "foreign" network. Or else it 
will get a well-known IP that works, when it's on the "home" network.

I can't even remember why the AP needed a static IP.

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Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-23 21:38 +0100
  Re: Plusnet router does not recognise when some Ethernet devices are connected Graham J <nobody@nowhere.co.uk> - 2026-06-23 21:51 +0100
    Re: Plusnet router does not recognise when some Ethernet devices are connected "Jeff Gaines" <jgnewsid@outlook.com> - 2026-06-23 21:09 +0000
      Re: Plusnet router does not recognise when some Ethernet devices are connected Andy Burns <usenet@andyburns.uk> - 2026-06-23 22:12 +0100
    Re: Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-23 22:10 +0100
      Re: Plusnet router does not recognise when some Ethernet devices are connected Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-06-23 23:36 +0100
        Re: Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-24 10:55 +0100
          Re: Plusnet router does not recognise when some Ethernet devices are connected Chris Green <cl@isbd.net> - 2026-06-24 17:22 +0100
          Re: Plusnet router does not recognise when some Ethernet devices are connected Woody <harrogate3@ntlworld.com> - 2026-06-24 18:15 +0100
            Re: Plusnet router does not recognise when some Ethernet devices are connected "Jeff Gaines" <jgnewsid@outlook.com> - 2026-06-24 18:45 +0000
  Re: Plusnet router does not recognise when some Ethernet devices are connected Andy Burns <usenet@andyburns.uk> - 2026-06-23 22:01 +0100
  Re: Plusnet router does not recognise when some Ethernet devices are connected Roger <invalid@invalid.invalid> - 2026-06-24 19:03 +0100
    Re: Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-24 21:48 +0100
      Re: Plusnet router does not recognise when some Ethernet devices are connected "Jeff Gaines" <jgnewsid@outlook.com> - 2026-06-25 07:35 +0000
        Re: Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-25 14:21 +0100
          Re: Plusnet router does not recognise when some Ethernet devices are connected Andy Burns <usenet@andyburns.uk> - 2026-06-25 14:40 +0100
            Re: Plusnet router does not recognise when some Ethernet devices are connected NY <me@privacy.net> - 2026-06-25 17:31 +0100
      Re: Plusnet router does not recognise when some Ethernet devices are connected Bob Pullen <me@privacy.net> - 2026-06-25 13:09 +0100

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