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MSGID: 1583.fdn_ipv6@3:633/509 288ffba3
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TID: SBBSecho 3.15-Linux custom/fb4e4ce96 Oct 27 2022 GCC 10.2.1
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  Re: Connection Tests
  By: Rob Swindell to Michiel van der Vlist on Mon Apr 03 2023 01:47 am

Howdy,

 > My ISP provided router appears to be a Sagemcom, but I don't know much more
 > about it (I use my own wireless access points and routers for
 > DHCP/NAT/Firewall for the other devices on my internal/private networks).
 > The ISP router (the Sagemcom) web UI reports that the vert.synchro.net
 > system has IPv6 address 2600:6c88:8c40:5b::f5a, but when I attempt to
 > connect to that IPv6 address or the ::7886 address (or even just ping6 them)
 > from a remote host, I don't have any success.

Assume you can ping your ip6 addresses from the inside of your network?

Your router is probably blocking IPv6 traffic (most I've seen do), and you'll
probably need to enable ICMP and relevant traffic to hosts if you want to
enable inbound ipv6.

 > Still a bit mysterious to me with so many addresses and so little
 > information from the ISP. Any tips are welcome,

First thing would be to figure out if you have a static subnet, and what it
is. Most folks that I've spoken with get a /60 or /56 from their ISP. Business
customers may get a /48. From your prefix (2600:6c88:8c40:5b::), its not easy
to figure out what addresses you got - and it my be a /64 (which would be
unusual). And if you got a /60 or /56, its strange that your router is handing
out ...:5b::.

I dont know Sagemcom so dont know if it is a business router (which probably
gives you some control over handing out addresses), or consumer router (which
would mean its probably useless for ip6).

 > Still a bit mysterious to me with so many addresses and so little
 > information from the ISP. Any tips are welcome,

Most OSes switch ip6 addresses regularly (hence the "temporary ones"), so dont
be surprised if the ip6 address chanes often - you can turn it off to have a
consistent one, or assign a static address.


...ëîåï
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