Dhcpd randomly returns the IP address or the backup IP

[Wayne Gemmell | Connect]

Thanks Sten

I've moved my class out of the subnet  and the issue still persists.


<https://connect-mobile.co.za/mobile_marketing_solutions/>


On Thu, 25 Mar 2021 at 17:51, Sten Carlsen <stenc at s-carlsen.dk> wrote:

> You define the class kannel inside the subnet, so if there are any other
> subnets, it will be defined there as well. Class definitions are global
> always, defining them inside a subnet may have some "interesting" side
> effects as some options are taken from that subnet even if the host gets an
> address in a different subnet - routers is one of them.
>
> So one thought is, if the backup address is not in this subnet, the host
> will be given incorrect information.
>
> --
> Best regards
> Sten Carlsen
>
> --------------------------------------------------
> Aoccdrnig to rseerach at Cmabrigde Uinervtisy,
> it deosn't mttaer in waht oredr the ltteers in a
> wrod are, the olny iprmoatnt tihng is taht the
> frist and lsat lteter be at the rghit pclae.
> The rset can be a ttoal mses and you can slitl
> raed it wotihut porbelm. Tihs is bcuseae the
> hmuan mnid deos not raed ervey lteter by istlef,
> but the wrod as a wlohe. Amzanig, huh?
> --------------------------------------------------
>
> On 25 Mar 2021, at 13.01, Wayne Gemmell | Connect <
> wayne at connect-mobile.co.za> wrote:
>
> I tried it. No change. The issue still persists.
>
>
> <https://connect-mobile.co.za/mobile_marketing_solutions/>
>
>
> On Tue, 23 Mar 2021 at 16:19, Wayne Gemmell | Connect <
> wayne at connect-mobile.co.za> wrote:
>
>> I'll give it a try, thanks.
>>
>>
>> <https://connect-mobile.co.za/mobile_marketing_solutions/>
>>
>>
>> On Tue, 23 Mar 2021 at 01:32, Bill Shirley <
>> bill at c3po.polymerindustries.biz> wrote:
>>
>>> Try:
>>> update-optimization             off;
>>>
>>> Bill
>>> On 3/19/2021 2:22 AM, Wayne Gemmell | Connect wrote:
>>>
>>> Hi
>>>
>>> When my dhcp server gets a DHCPRELEASE followed by a DHCPDISCOVER then
>>> it randomly allocates the IP address or the backup IP address that are
>>> assigned to the host in the lease file to the host. The assignments always
>>> got to the correct host and the mac address doesn't change.
>>>
>>> When this backup IP address is allocated then dynamic DNS isn't updated
>>> and my container is unreachable.
>>>
>>> I've put all the relevant details in the link below but am more than
>>> happy enough to furnish anything that is missing. Can anyone help please?
>>>
>>> https://gitlab.isc.org/isc-projects/dhcp/-/issues/172
>>>
>>> <https://connect-mobile.co.za/mobile_marketing_solutions/>
>>>
>>> _______________________________________________
>>> ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information.
>>>
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>>>
>>> _______________________________________________
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>>> information.
>>>
>>> dhcp-users mailing list
>>> dhcp-users at lists.isc.org
>>> https://lists.isc.org/mailman/listinfo/dhcp-users
>>>
>> _______________________________________________
> ISC funds the development of this software with paid support
> subscriptions. Contact us at https://www.isc.org/contact/ for more
> information.
>
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
>
>
> _______________________________________________
> ISC funds the development of this software with paid support
> subscriptions. Contact us at https://www.isc.org/contact/ for more
> information.
>
> dhcp-users mailing list
> dhcp-users at lists.isc.org
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>
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