Subj : Connection Tests
To   : Rob Swindell
From : deon
Date : Tue Apr 04 2023 07:31 am

 Re: Connection Tests
 By: Rob Swindell to deon on Mon Apr 03 2023 10:35 am

> I've never used the ISP's router's port blocking/forwarding/NAT/gateway
> features before (for IPv4), so now I'm looking what it supports. It does
> have DHCPv6 and DHCP-PD was disabled, so I've enabled that and expecting for
> it to hand out addresses in the range:
>
> 2600:6c88:8c40:5b::1 to ::1000 (according to its default configuration)
>
> I haven't seen that happen yet. I'm guessing this means I have been
> allocated a /64 (?).
>
> Looks like I have control:
> https://1drv.ms/i/s!ApZPvWcrEaRQ5_wrKOnYR4bZu_jJ3Q?e=8f5cy5

So this looks like the "lan side" of your network. The uplink side should show you what prefix you were allocated. It's possible that your router "requested" a segment (internally), allocated it self ...:5b: and the dhcp-pd is then allocating that out as you have shown. You may need to be running a dhcpv6 client on systems to get allocated an address.

If you change it to stateless/SLAAC, then hosts should allocate their own address at will (without a dhcp client). But nothing in your diagram showed firewalling control, and it may be that anything in the "DMZ" is accessible inbound and everything else is not?


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