[plug] Solved - Re: Fwd: Router slow down

[gavinwc]

Thanks, James.

You're very likely right. For some reason my switch is allowing one lan
connection direct to the NTD along with the router for wifi on another
port. The latter is a surprise bonus as it seems that the other two lan
ports aren't getting an IP address when my PC is active on the switch. Oh
well, guess I will be replacing that dodgy router after all for the sake of
family-wide lan connection.

Cheers.
Gavin

On Wed, 30 Sept 2026 at 21:35, James Henstridge <james at jamesh.id.au> wrote:

> On Wed, 30 Sept 2026 at 12:54, gavinwc via plug <plug at plug.org.au> wrote:
> > (BTW: I recognise that firewalls and such need to be handled at device
> level for traffic not passing through the router any more, though Ill wait
> for someone to point out something that I should be doing and I'd welcome
> that comment)
>
> I suspect this only works because of how your ISP provides
> connectivity. Presumably they're just running plain IP over the
> ethernet port and using DHCP to assign an address. With the switch
> connected to the NTD, presumably your ISP is allocating separate IP
> addresses to each computer you connected.
>
> If those are public IP addresses, I suspect they wouldn't be too happy
> about this. If they're doing carrier grade NAT, perhaps they don't
> care too much. They might still ask you to stop though.
>
> Some other ISPs provide a PPPoE connection. While you can still go
> without a router in this case (through the use of software like
> rp-pppoe), only one computer can terminate the PPP connection so
> connecting a switch to the NBN box wouldn't help.
>
> James.
>
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