> > > Hi Dareen, > > Thanks for sharing the answers, yes yesterday while I was exploring more > about the Kea-HA, I came to know that if we use multithreading then we > don't need to use a kea-control agent and I did try the test case it worked > well for me. > > You can log kea-ctrl-agent.http in the kea-ctrl-agent config and probably > kea-dhcp4.ha-hooks will contain the kea-dhcp4 perspective. > > --> ok sure > > >>In any case, after Kea loses contact with the other server it won't > answer clients until max-unacked-clients is reached. -> Got it > > One more question regarding the load balancing HA mode, in the document ( > https://kea.readthedocs.io/en/kea-2.2.0/arm/hooks.html#supported-configurations) > it says that > > However, it is not always clear to the operators that using > the load-balancing mode requires manually splitting the address pools > between two Kea instances using client classification, to preclude both > servers from allocating the same address to different clients. Such a split > is not needed in the hot-standby mode > > --->So do we need to manually split the scope in the load balancing > configuration by associating the classes in HA mode for load balancing type > like this ?` > > Config: > "subnet4": [{
"subnet": "192.0.3.0/24", "pools": [{ "pool": "192.0.3.100 - 192.0.3.150", "client-class": "HA_server1" }, { "pool": "192.0.3.200 - 192.0.3.250", "client-class": "HA_server2" }], "option-data": [{ "name": "routers", "data": "192.0.3.1" }], Something like this: HA_Server1 and HA_Server2?` > > I am asking because I have around 5 to 6 DHCP pairs with hundreds of > subnets configured on each failover peer in ISC DHCP. Most of the subnets > have multiple scopes, ranging from 5 to 6 and with different ranges. For > example, the first scope may have 17 IPs, the second 35, and the third > around 200. This is in a spread-out environment where we use ISC. > > Generally, in ISC, we define the scopes and split percentages, and DHCP > takes care of sharing the IPs between them. However, in Kea, there doesn't > seem to be a similar mechanism, or I could be wrong. Could you please let > me know if the process of manual splitting should be done in Kea when > migrating from ISC to Kea? Or do we have any other configuration > parameter that makes the Kea DHCP server automatically split the IPs 50-50% > from all available scopes of the subnet? > Thanks Kraishak
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