[Kea-users] DDNS for Migration to Kea

[Darren Ankney]

Hi Chris,

Please see here to get started with tsig keys in Kea:
https://kea.readthedocs.io/en/kea-2.4.0/arm/ddns.html#tsig-key-list

Thank you,

Darren Ankney

On Mon, Sep 25, 2023 at 3:46 PM LIU Chris via Kea-users
<kea-users at lists.isc.org> wrote:
>
> Classified as: {OPEN}
>
> I am migrating to kea from old dhcp.
>
> My old dhcp configuration file, ddns part is based on the
> https://linux.die.net/man/5/dhcpd.conf
>
> Dynamic Dns Updates
> (1)    I can not find kea ddns update Scheme to select.
> My old dhcp conf:
> ddns-update-style interim;   // here I can configure  ad_hoc/interim/dhcp_standard/
>
> however, I cannot find the corresponded configuration in kea with JSON format
>
> (2)     for DDNS, I also configure the Dynamic Dns Update Security as below, I cannot find it in Kea.
> key rndc-key {
>     algorithm hmac-md5
>     secret test;
> }
> # Zones declartions.
> zone test_1 {
>     primary 172.22.144.1;
>     secondary 10.168.1.1;
> }
> For Kea, https://kea.readthedocs.io/en/kea-2.4.0/arm/dhcp4-srv.html
> Section:   8.2.19. DDNS for DHCPv4
>
> I can configure server-ip, but I cannot find the key-algorithm and secret.
>
>
> "Dhcp4": {
>      "dhcp-ddns": {
>         // Connectivity parameters
>         "enable-updates": true,            // configure it
>          "server-ip": "127.0.0.1",        // good
>          "server-port":53001,
>          "sender-ip":"",
>          "sender-port":0,
>          "max-queue-size":1024,
>          "ncr-protocol":"UDP",
>          "ncr-format":"JSON"
>      },
>
>      // Behavioral parameters (global)
>      "ddns-send-updates": true,
>      "ddns-override-no-update": false,
>      "ddns-override-client-update": false,
>      "ddns-replace-client-name": "never",
>      "ddns-generated-prefix": "myhost",
>      "ddns-qualifying-suffix": "",
>      "ddns-update-on-renew": false,
>      "ddns-use-conflict-resolution": true,
>      "hostname-char-set": "",
>      "hostname-char-replacement": "",
>      ...
> }
>
>
>
>
>
> With Best Regards,
> Chris LIU
>
> {OPEN}
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