On Tue 09 Mar 2021 at 11:59:35 (-0500), Gene Heskett wrote: > On Tuesday 09 March 2021 08:12:47 rhkra...@gmail.com wrote: > > On Tuesday, March 09, 2021 12:12:40 AM Felix Miata wrote: > > > David Wright composed on 2021-03-08 22:37 (UTC-0600): > > > > I realise that, but if your service were to become unsatisfactory, > > > > then before you complained, you'd want to check that it's not your > > > > modem at fault. Would you expect your spare modem to work, because > > > > it has a different MAC from what's expected by the ISP's end of > > > > the line. > > > > > > Whenever I get a mind to, I call my ISP, tell them I'm changing > > > modems, and what the new MAC is. It gives me some confidence it's > > > still useful. If there's a problem they or I think a modem switch > > > might shed light on, I do the same. > > > > I have DSL service, and a spare modem that I've occasionally put in > > service (for testing the "main" modem) and have not had to notify the > > ISP. (They were both provided by the ISP (Earthlink).) > > > > I don't know if cable modems would work the same -- I don't know if > > the ISP sees the MAC address on a DSL line. > > Generally they do, I too have 2 routers, and own them both, but one has > the others MAC cloned into it, so my supposedly volatile ipv4 address > has been fixed for over a decade, making namecheap registration of the > link in the sig a no-brain-er.
I was under the impression (since 25 May 2019) that your router(s) was connected to the internet through an ISP-supplied cable modem. Is that not correct? I've been talking about switching between different *modems*. Changing just the router, behind a modem, never gave me any cause for concern about the ISP. Cheers, David.