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IPv6 DHCP delegated prefix issue

Ed R

Hello All,

Due to a line change (ASDL to VVDSL)  I got new IP addresses from my ISP. These were and are fixed addresses but I need a DHCP client to get them.

The issue has to do with IPv6, IPv4 is working fine. At the line a Draytek Vigor 130 is installed in bridge mode and VLAN stripping is disabled.

In UTM the WAN side network adapter is set to PPPoE, the box "Static PPPOE IP" is not checked and at the advanced section the correct VLAN is stripped. So far so good. BUT, when I enable IPv6 using the switch in the global section of IPv6 the following is displayed:  Native over WAN (DSL)
Delegated Prefix: 2001:980:xxxx::/48. Seems good except for the IP address. This is my old prefix and not the new one belonging to the new line. This must be an issue in UTM because when I connect a simple hardware router to the Vigor modem I get the right new prefix delegated and IPv6 is working.

The UTM software version is: 9.351-3

Please help me with this issue.

Thanks in advance.

Ed.



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  • 0 in reply to Ed R
    Hi Scott,

    Why the silence? Is the output as expected or not?
    Thanks in advance for your reply.

    Regards,

    Ed.
  • 0 in reply to Ed R
    it doesn't work, i spoke with a sophos quality engineer a while back. its not on their agenda to fix ipv6 over pppoe on the short run.

    ---

    Sophos UTM 9.3 Certified Engineer

  • 0 in reply to Ben
    Thanks for your reply. It's realy not of this time anymore that IPv6 is not properly supported and that the bug will not be fixed. Thanks Sophos :-(
  • 0 in reply to Ed R

    thats what i wrote on astaro.org, thats what i wrote back to the engineer. Bottom line is that 99% of their customers probably dont need it so its not very high on their agenda.

    Fun fact 1: its not working on their "next gen firewall" either
    Fun fact 2: free open source router firmwares like openwrt support it, lancom supports it, AVM fritzbox supports it. Few thousand euro appliance = nah.

    ---

    Sophos UTM 9.3 Certified Engineer

  • 0 in reply to Ben

    I tried to get the pppoe client running on my Draytek 130 but then it's automatically NATting and not possible anymore to get the public IP addresses at the LAN side. So I'm out of options and have to wait till the bug is fixed...

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