Greetings,
I have an interesting question for you esp for ISC developers. I want to only
use kea-dhcp6, which means I need VMs working as DHCP servers to provide IPv6
addresses to other devices so those clients can have IPv6 addresses. But I
don’t care or need that my kea-dhcp6 servers themselves have IPv6 addresses or
not.
But the problem is that in the documentation, I can see they give some examples
which all put the redundancy configurations under the Dhcp4 configuration
section. Does it imply that in order to use the HA feature for kea-dhcp6
servers, my DHCP servers themselves must be configured to have their own IPv6
addresses? I don’t think this makes any sense since in reality we only need the
connectivity between primary and secondary servers no matter this connectivity
is based on IPv4 or IPv6.
"Dhcp4": {
"hooks-libraries": [
{
"library": "/usr/lib/kea/hooks/libdhcp_lease_cmds.so",
"parameters": { }
},
{
"library": "/usr/lib/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [ {
"this-server-name": "server1",
"mode": "load-balancing",
"peers": [
{
"name": "server1",
"url": http://192.168.56.33:8000/,
"role": "primary"
},
{
"name": "server2",
"url": http://192.168.56.66:8000/,
"role": "secondary"
}
],
"state-machine": {
"states": [
{
"state": "waiting",
"pause": "once"
}
]
}
} ]
}
}
],
...
}
May I ask can I configure my servers like this?
"Dhcp6": {
"hooks-libraries": [
{
"library": "/usr/lib/kea/hooks/libdhcp_lease_cmds.so",
"parameters": { }
},
{
"library": "/usr/lib/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [ {
"this-server-name": "server1",
"mode": "load-balancing",
"peers": [
{
"name": "server1",
"url": http://192.168.56.33:8000/,
"role": "primary"
},
{
"name": "server2",
"url": http://192.168.56.66:8000/,
"role": "secondary"
}
],
"state-machine": {
"states": [
{
"state": "waiting",
"pause": "once"
}
]
}
} ]
}
}
],
...
}
Related section:
https://downloads.isc.org/isc/kea/2.5.5/doc/html/arm/hooks.html#hooks-high-availability
Best Regards,
Yu
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