From: tnp@invalid.invalid   
      
   On 30/12/2025 01:00, Jim Diamond wrote:   
   > On 2025-12-29 at 13:31 AST, The Natural Philosopher    
   wrote:   
   >> On 29/12/2025 15:08, Jim Diamond wrote:   
   >>   
   >>> It was in fact two IPv4 addresses.  One which the Network Manager config   
   >>> file specifies, and the other was some other address which I speculate   
   >>> came from the router's DHCP server.   
   >   
   >> You can check the routers DHCP table and the MAC addresses associated   
   >> with it.   
   >   
   > My router's DHCP function has a serious case of brain damage.  (It is   
   > supplied by my ISP and is not easy to avoid using, because of the way they   
   > control their fiber optic cable based system.)  Right now it thinks the Pi   
   > in question is using the "mystery" IPv4 address, and it resolutely declares   
   > that the "proper" address is not connected.  The Pi itself disagrees.   
   >   
   Routers do not retain memory of statically assigned addresses. You might   
   find it in the arp table   
      
      
   > However, it was worth a look.  Maybe.  According to the router, the   
   > "mystery" address is paired with the wifi card's actual ethernet (MAC)   
   > address, whereas the "proper" address is (currently) paired with the same   
   > ethernet address, except the last octet is 8C instead of 8D.  This makes me   
   > think that it is showing "Connected" or "Disconnected" according to the   
   > ethernet address which is working, and it is not careful about pairing that   
   > with the correct IPv4 address.   
   >   
   I thought this was a wifi issue. There is no 'Ethernet' address.   
      
   >                                  Jim   
      
   --   
   Socialism is the philosophy of failure, the creed of ignorance and the   
   gospel of envy.   
      
   Its inherent virtue is the equal sharing of misery.   
      
   Winston Churchill   
      
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