this post was submitted on 09 Jun 2024
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This is remarkably common. A major factor is how to handle renewals. There appears to either be bugs with the procedure or there's disagreement on how it should be handled. So it will work, for a while, until a renewal needs to happen, then everything goes to shit.
I've directly witnessed this in router/firewall logs. That there's an attempt to renew the DHCP-PD, which does not get a valid reply.
This is less to do with the ISPs and more to do with the implementation of DHCP-PD renewals on various software/hardware devices. I'm not going to point any fingers, but it seems that some vendors don't play very nicely with other vendors.
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