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Hello meyergru,

thanks for your reply. VLAN 0.30 (VLAN 30) is my LAN yes. The OPNSense ist at a TrueNAS Server inside a KVM VM. There is a attached physical SFP+ NIC directly at the VM. So no network goes over the hypervisor. The /56 prefix size is configured at the WAN Interface. Can you tell me how i can configure it right? I belive too that my interface configuration is wrong.

Interface Overview one:
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Interface Overview two:
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WAN-configuration attached

VLAN-Settings attached

Hello OPNSense Community,

i have problems with the ipv6 connectivity at my opnsense router.

My ISP give the WAN interface currently a public IPv4 address over PPPoE (VLAN 7). That works without problems.

But the IPv6 "/56" Prefix should be assigned by DHCPv6 in VLAN 7 (not over PPPoE connection). That does not work. I start a package capture (mirror WAN Port at my switch) and saw that no DHCPv6 package will be send out from the OPNSense. I want to get the /56 prefix at the WAN Interface.

In the OPNSense Logs it says "Error dhcp6c transmit failed: Network is down".

PPPoE-Settings:
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Gateway-Settings:
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DHCP6c-Config:
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I belive that OPNSense send out the DHCPv6 packages over the PPPoE connection, because the DHCP6c config is wrong. But how can i fix that? Is my PPPoE device wrong assigned?

Thanks for the help!

Hello, thanks for the help. The any to any rule was missing. :)

Hello OPNSsense Community,

recently i have installed a TrueNAS VM with OPNSense (connected to a SFP+) Card. But from LAN i have no Internet with the OPNSense Firewall.

VLAN 7: WAN Connection (PPPoE)
VLAN 50: LAN

LAN: 10.11.15.0/24

I have only a Internetconnection if i set a any to any Rule at the LAN Interface in OpenSense. From WAN (which get the public ip from my ISP) i can ping 8.8.8.8.

Further more i can no find the incoming datapackages from the WAN at the ppoe interface (my wan interface with vlan7).

By default i can not ping the Gateway of my OPNSense too (10.11.15.1). All works only with any to any rules.

Is that normal at OPNSense or should i have internet without the any to any rule by default?
Please let me know if you need further logs or informations. Thanks for the help guys.