On Mon, Aug 12, 2024 at 3:31 PM Peter Fraser <p...@thinkage.ca> wrote:

> I support a charity and I look after a OpenBSD firewall.
>
> The firewall supports asterisk, nsd, unbound,  dhcpd.
>
> Everything was working properly.
>
>
>
> Then they did some rewiring, and the behaviour of the system is now very
> strange.
>
>
>
> When the system starts up, everything behaved properly, their phones
> register, and calls can come in and go.
>
> All the extension work,
>
> Web access is fine, dns works fine, as does ssh, dhcp
>
>
>
> But once the registration of the phones to asterisk time out. The phones
> do not reregister.
>
> The registration by asterisk to the sip supplier (voip.ms) work fine.
>
>
>
> I put a packet trace on the interface, and I don’t see and packets either
> as tcp, udp or eithernet from the phones.
>
> Not do I see an logs for pf for packets passed or blocked.
>
>
>
> I have been known to bark up the wrong tree, but I am suspecting the
> problem is something I did in OpenBSD.
>
>
>
> I can’t figure out when asterisk works with just booted.
>
> That imply that the sip packets are reaching asterisk at the beginning.
>
> Why do sip packets not get to astrerisk  after the first registration
> times out.
>
>
>
> I might be suspicious of the phones,  but there are 9 of them (Polycom
> 550), and I don’t believe that all of them could fail at the same time and
> same way.
>
>
>
> Any help of suggestions would be appreciated
>
> Thanks
>

Maybe some wiring issue? ports changing from 1000Base to 10Base or so?

Can you ping the phones?, see that traffic flowing?
are you using a different interface for phones and egress?

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