Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

Dynamic DNS update cadence in 20.0?

I could swear that back in the day (maybe 18.5 or 19) that DDNS updated every five or 10 minutes and you could see this in the logs. We were using Google -- which has now sold its business -- and have switched to Cloudflare, and I'm not seeing any updates. Should it be updating (and logging) every few minutes?

If not, is there a way to force SFOS to test the mechanism to make sure I have the correct key, etc?

(The IP from the ISP is not changing and hasn't changed in years, so forcing it to change and trigger a DDNS update isn't going to happen.)



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[edited by: Erick Jan at 12:31 AM (GMT -7) on 27 May 2024]
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  • Hi Wayne,

    screenshots of the theory, the practise as you have noted is very different. My XG updated the DDNS at 2258 24/5/24, the current time 0819 25/5/24.

    Also, I would expected the IPv6 DDNS would have been added after the inclusion of IPv6 DHCP-PD.

    Ian

    XG115W - v20.0.1 MR-1 - Home

    XG on VM 8 - v20 GA

    If a post solves your question please use the 'Verify Answer' button.

  • As far as i remember (not using DDNS at the moment) it only protocols in DDNS logviewer, if there was a change. 

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  • Mine doesn't change, it is sticky address I have had since I signed up with this RSP about 12 months ago after they did a network re-arrangement.

    Ian

    What about DHCP renewals possibly triggering the DDNS update, maybe?

    XG115W - v20.0.1 MR-1 - Home

    XG on VM 8 - v20 GA

    If a post solves your question please use the 'Verify Answer' button.

  • At one time, it logged every X minutes. This could have been a Google DDNS thing, or it could have been an older SFOS (18 or 19). Definitely not doing it now, and I'm worried that I have the incorrect credentials and when it finally needs to fire it won't work. (And I won't be local.)

    So any tip on forcing it to fire to test it would be great. (My ISP allocates an IPv4 via DHCP, but evidently reserves it so it hasn't changed in two years. But once they roll out IPv6, they might change how their DHCP (4 and 6) works.

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  • At one time, it logged every X minutes. This could have been a Google DDNS thing, or it could have been an older SFOS (18 or 19). Definitely not doing it now, and I'm worried that I have the incorrect credentials and when it finally needs to fire it won't work. (And I won't be local.)

    So any tip on forcing it to fire to test it would be great. (My ISP allocates an IPv4 via DHCP, but evidently reserves it so it hasn't changed in two years. But once they roll out IPv6, they might change how their DHCP (4 and 6) works.

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