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24.7.4 Erratic PPPoE IPv6 Problems
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Topic: 24.7.4 Erratic PPPoE IPv6 Problems (Read 787 times)
REB00T
Newbie
Posts: 20
Karma: 0
Re: 24.7.4 Erratic PPPoE IPv6 Problems
«
Reply #15 on:
September 19, 2024, 06:56:43 pm »
At least in previous versions, if the interface wasn't assigned Hardware CRC, LRO and TSO remained enabled. Ipv4/Ipv6 is none/none. With crowdsec disabled and having reloaded the interface no ipv6 prefix is picked up.
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franco
Administrator
Hero Member
Posts: 17387
Karma: 1579
Re: 24.7.4 Erratic PPPoE IPv6 Problems
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Reply #16 on:
September 19, 2024, 07:27:58 pm »
Ok, fair point. Though that is no longer needed today.
Next step would be to add an IPv6 pass rule for ICMPv6 on the WAN interface for testing purposes to see if the traffic is silently dropped somehow. You could also enable logging of default rule blocking (Firewall: Settings: Advanced) to see if it pops up in the live log.
Cheers,
Franco
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REB00T
Newbie
Posts: 20
Karma: 0
Re: 24.7.4 Erratic PPPoE IPv6 Problems
«
Reply #17 on:
September 19, 2024, 07:47:32 pm »
So after just waiting, no prefix is picked up. But upon hitting save and applying in the interface configuration screen a few times it does get a prefix. Having left it alone for a long time it did not seem to work without the above procedure.
PS. No ipv6-icmp traffic gets logged as dropped/rejected and the allow rule did not get hit.
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REB00T
Newbie
Posts: 20
Karma: 0
Re: 24.7.4 Erratic PPPoE IPv6 Problems
«
Reply #18 on:
September 19, 2024, 07:50:44 pm »
Curiously, subsequent reloads and the above procedure do seem to work. The prefix gets picked up again fairly consistently.
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REB00T
Newbie
Posts: 20
Karma: 0
Re: 24.7.4 Erratic PPPoE IPv6 Problems
«
Reply #19 on:
September 19, 2024, 09:26:45 pm »
After a reboot with crowdsec enabled, after a significant amount of time though, the problem appeared again. Then another reboot after disabling crowdsec, the problem persists. I do not think it is some kind of rate limiting from my ISP because the back to back tests before behaved fine. Anything stand out in the logs?
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franco
Administrator
Hero Member
Posts: 17387
Karma: 1579
Re: 24.7.4 Erratic PPPoE IPv6 Problems
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Reply #20 on:
Today
at 08:29:05 am »
Can you share the PPP log as well? Maybe it's similar to
https://github.com/opnsense/dhcp6c/issues/39
Thanks,
Franco
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24.7.4 Erratic PPPoE IPv6 Problems