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Problem configuring IPv6 in my scenario

Scheduled Pinned Locked Moved IPv6
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  • B
    Bonaparte2004
    last edited by Jun 30, 2024, 3:31 PM

    Hello,

    our local FTTH contractor gives us a locked down fiber router with little to no configurability. Unfortunately the signal on the fiber is encrypted so I was'nt able to switch the router for another one.

    For IPv4 I've set up a DMZ and the pfSense behind my fiber router and everything works okay so far.

    For IPv6 there are only two options in the fiber router: 1. "bridge mode" or 2. "off".

    With "bridge mode" I am getting a IPv6 address on my WAN-interface of the pfSense.
    Unfortunately it seems that the fiber router doesn't understand "IPv6 prefix delegation".
    All IPv6 addresses I ever get on the WAN-interface are on the same /64 subnet. (I've got a fixed IPv4 address aswell).

    Not able to dedicate another /64 subnet so my LAN I read it was possible to use the IPv6-relay function to provide working IPv6 addresses to my LAN, but it never worked so far.

    I activated IPv6 relay, set the "downstream interface" to LAN and the "upstream server" to the IPv6 address of the RJ45 side of my fiber router.

    • Is it correct to leave the WAN interface of the pfSense on SLAAC? The pfSense has working IPv6 internet this way.
    • Do I use as "upstream server" the fe80 address of the RJ45 port of my fiber router, or the fd00 address?

    What ever I try i'm not getting a working IPv6 address to any computer in my LAN.

    Has anyone an idea what else I could try?

    Thank you all in advance for your help!

    Regards Felix

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    • J
      JonathanLee
      last edited by Jun 30, 2024, 3:55 PM

      I have Fidium fiber they said it’s still on IPv4 so I stated using HE tunnel broker service.

      Make sure to upvote

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