[SASAG] Comcast & IPV6 + Dlink router

[Benjamin Cline]

That fe80::/64 address you're seeing is an IPv6 link-local address, it 
sounds like you're not getting a valid routable IPv6 subnet assigned to 
the LAN side.

I have a similar setup and at one point I was able to get Comcast to 
assign a routable /64 to my lan via DHCP-PD[1], but that stopped working 
after about a month and I wasn't able to get it fixed. I considered it 
unlikely I'd be able to get through to someone who actually understood my 
problem and could fix it, so I didn't bother calling support.

[1] https://en.wikipedia.org/wiki/Prefix_delegation

On Mon, 9 Nov 2015, Bill Levering wrote:

> So… I upgraded to a D-Link DSR-250 router and was hoping to get IPV6 working.
>
> It appears that the router is getting an IPV6 address, and I can ping IPV6 addresses from it, but I can’t reach anything from my Mac.
>
> Comcast support tells me that they don’t support IPV6!
>
> All the D-Link pages I’ve found don’t show 1/4 of the options I have available to me.
> Such as:
> - IPV6 WAN settings
> - IPV6 LAN settings
> - Router Advertisement
> - Advertisement Prefixes
> - Prefixes for Prefix Delegation
>
> My gateway appears to be: 
> fe80::c612:f5ff:feed:d932%en0
>
> which makes me think it is hitting localhost on the router.
>
> I think it is probably something in my config, but I don’t know where to start.
>
> Any ideas?
> Bill
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-- 
Benjamin R. Cline
brc at peppermint dot org