MSGID: <10j1jj6$24agv$4@dont-email.me> 28c21669
REPLY:  e1836b0f
PID: PyGate 1.5.2
TID: PyGate/Linux 1.5.2
CHRS: CP1252 2
TZUTC: 1100
REPLYADDR ldo@nz.invalid
REPLYTO 3:633/10 UUCP
On Tue, 30 Dec 2025 17:50:15 -0400, Jim Diamond wrote:

> On 2025-12-30 at 01:42 AST, Lawrence D?Oliveiro  wrote:
>>
>> I wonder why you would use an ISP-supplied router -- don?t you get
>> to connect your own?
>
> No.  The fiber comes into a box and the box also has the wifi router.

Here in NZ, the fibre terminates in a separate box called the ?ONT?.
Everything up to and including that box is the responsibility of a
company called ?Tuatahi Fibre?, which is *not* an ISP (and is not
allowed to become one). Basically they provide a layer-2 connection
between my house and the routers/switches/whatever for the service
providers, and their job is to treat all service providers equally.

Also, that box is to be considered part of the fittings of the house,
so it stays with the house, and doesn?t move if/when the residents
move house. The installation of the box (and the physical fibre
connection to it) was done free of charge, under a Government-funded
plan.

The particular ONT box in my house has 4 Ethernet ports and 2
telephone landline ports. These can be independently assigned to
different services, coming from different providers. E.g. the one
that?s live for my ISP connection has an Ethernet cable running
between it and my actual router, which I bought from a local store.

> I could try turning off the DHCP server in the ISP's box.  However, they
> have a habit of resetting and updating the software in their box, and I'm
> not sure how long turning off that DHCP server would last.  I am not sure
> what would happen when two DHCP servers are on the same LAN, but I imagine
> Bad Things would happen.

Hmmm ... I?m thinking it might be possible to isolate that box on a
dedicated Ethernet port on a Linux box, so you could use a packet
filter to block anything DHCP-related, and only let through the stuff
you want ...

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