I believe that I have, here is a snippet of the config file. Still using the
ipv4 address for HA url for the ipv6 config...
Thank you for helping!
John
{
"library": "/usr/lib/x86_64-linux-gnu/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [ {
"this-server-name": "dhcp1-acccess-ub2204-vm",
"mode": "load-balancing",
"send-lease-updates": false,
"sync-leases": false,
"heartbeat-delay": 10000,
"max-ack-delay": 5000,
"max-unacked-clients": 20,
"peers": [
{
"name": "dhcp1-acccess-ub2204-vm",
"url": "http://10.40.4.54:8000/";,
"role": "primary",
"auto-failover": true
},
{
"name": "dhcp2-acccess-ub2204-vm",
"url": "http://10.40.4.55:8000/";,
"role": "secondary",
"auto-failover": true
}
]
} ]
}
}
On 5/30/24, 12:34, "Kea-users on behalf of Darren Ankney"
<[email protected] <mailto:[email protected]> on
behalf of [email protected] <mailto:[email protected]>> wrote:
John,
That is correct. If both servers are sharing the same database and
are both configured for HA, then you may want to look at disabling
lease synchronization as described here:
https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#lease-information-sharing
<https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#lease-information-sharing>
thank you,
Darren Ankney
On Wed, May 29, 2024 at 11:11 AM John Welsh <[email protected]
<mailto:[email protected]>> wrote:
>
> Thanks for the reply and I think I have them working now. I set up a
> postgresql backend db for the databases and in doing so I am now using the
> same pools for both servers instead of splitting the pool between them. I did
> this because each server will register it lease within the database so and
> each server checks the database to verify that the ip is available before it
> offers it? At lease that is my understanding.
>
> John
>
> On 5/28/24, 16:15, "Kea-users on behalf of Darren Ankney"
> <[email protected] <mailto:[email protected]>
> <mailto:[email protected]
> <mailto:[email protected]>> on behalf of
> [email protected] <mailto:[email protected]>
> <mailto:[email protected] <mailto:[email protected]>>> wrote:
>
>
> Hi John,
>
>
> This is just a guess, but you may need to review
> https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#load-balancing-configuration
>
> <https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#load-balancing-configuration>
>
> <https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#load-balancing-configuration>
>
> <https://kea.readthedocs.io/en/kea-2.4.1/arm/hooks.html#load-balancing-configuration>>
> which shows that you need to use the special client classes of
> HA_<servername> to manually split the pools in half (there is no
> auto-split like there was in ISC DHCP). Or simply use hot-standby
> which requires no special class configuration / pool splitting. If
> that isn't the problem, then please provide your configuration (with
> sensitive items redacted) so that the community might better assist
> you.
>
>
> Thank you,
> Darren Ankney
>
>
> On Tue, May 28, 2024 at 5:06 PM John Welsh <[email protected]
> <mailto:[email protected]> <mailto:[email protected]
> <mailto:[email protected]>>> wrote:
> >
> > Load-Balancing
> >
> > On 5/28/24, 15:30, "Kea-users on behalf of Darren Ankney"
> > <[email protected] <mailto:[email protected]>
> > <mailto:[email protected]
> > <mailto:[email protected]>>
> > <mailto:[email protected]
> > <mailto:[email protected]>
> > <mailto:[email protected]
> > <mailto:[email protected]>>> on behalf of
> > [email protected] <mailto:[email protected]>
> > <mailto:[email protected] <mailto:[email protected]>>
> > <mailto:[email protected] <mailto:[email protected]>
> > <mailto:[email protected] <mailto:[email protected]>>>> wrote:
> >
> >
> > Hi John,
> >
> >
> > Are you running HA in "load-balancing" or "hot-standby" mode?
> >
> >
> > Thank you,
> > Darren Ankney
> >
> >
> > On Sun, May 26, 2024 at 7:56 PM John Welsh <[email protected]
> > <mailto:[email protected]> <mailto:[email protected]
> > <mailto:[email protected]>> <mailto:[email protected]
> > <mailto:[email protected]> <mailto:[email protected]
> > <mailto:[email protected]>>>> wrote:
> > >
> > > I have set up 2 kea dhcp ver 2.4.1 servers and I am seeing some issues
> > > with hosts not getting a ipv6 lease.
> > >
> > > My question is do I need to use the same kea-dhcp6-serverid on both
> > > servers if they are running in HA? All hosts will get leases if I disable
> > > HA.
> > >
> > >
> > >
> > > Thanks!
> > >
> > > John Welsh
> > >
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