Hi Tan,
I strongly advise you to read the Kea ARM for a description of the
different
HA modes and example configurations.
see:
https://kea.readthedocs.io/en/kea-2.3.2/arm/hooks.html#ha-high-availability-outage-resilience-for-kea-servers
Kind Regards Peter
On 09/11/2022 15.15, perl-list wrote:
On Wed, Nov 9, 2022 at 12:38 PM perl-list < [ mailto:[email protected] |
[email protected] ] > wrote:
The other one is still receiving the packets, it just isn't doing anything with
them unless it becomes the active device (assuming you chose hot-standby mode)
I configured load-balancing mode :S
Something isn't correct then. I've never configured the load-balancing mode so
I couldn't say what to look for specifically other than something general like:
1) make sure that both servers are configured in the same HA mode:
load-balancing
2) Make sure that both servers are receiving the DHCP traffic (you can check
with tcpdump to be completely sure)
You can perform load testing with perfdhcp: [
https://kea.readthedocs.io/en/kea-2.2.0/man/perfdhcp.8.html |
https://kea.readthedocs.io/en/kea-2.2.0/man/perfdhcp.8.html ]
trying to install this conflicts with isc-kea-common...
you can install it on a different machine (in fact you should - not sure you
can test from the same machine).
As far as checking functionality of HA, I am not sure... I guess you could shut
down the primary and see what happens? I have done that, but it won't
immediately switch. It will wait until a certain number of clients are trying
to obtain a lease and then switch.
stopped dhcp service in server1 and server2 did nothing but complaining about
the heartbeat...
That is a tunable parameter, however.
Is "max-unacked-clients" ?
yes - that is the parameter.
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