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dhcp-to-dns: allow to specify domain for CNAMEs...

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... in network or lease.
This commit is contained in:
Łukasz Witkowski 2026-05-11 17:25:42 +02:00 • committed by Christian Hesse
parent 172298f5eb
commit 71df93e011
2 changed files with 15 additions and 1 deletions
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3
dhcp-to-dns.rsc
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@ -91,7 +91,8 @@
:local NetDomain ([ $IfThenElse ([ :len ($NetworkInfo->"name-extra") ] > 0) ($NetworkInfo->"name-extra" . ".") ] . \ :local NetDomain ([ $IfThenElse ([ :len ($NetworkInfo->"name-extra") ] > 0) ($NetworkInfo->"name-extra" . ".") ] . \
[ $EitherOr [ $EitherOr ($NetworkInfo->"domain") ($NetworkVal->"domain") ] $Domain ]); [ $EitherOr [ $EitherOr ($NetworkInfo->"domain") ($NetworkVal->"domain") ] $Domain ]);
:local FullA [ :convert transform=lc ($MacDash . "." . $NetDomain) ]; :local FullA [ :convert transform=lc ($MacDash . "." . $NetDomain) ];
:local FullCN [ :convert transform=lc ($HostName . "." . $NetDomain) ]; :local CNameDomain [ $EitherOr ($LeaseInfo->"cname-domain") ($NetworkInfo->"cname-domain") ];
:local FullCN [ :convert transform=lc ($HostName . "." . [ $EitherOr $CNameDomain $NetDomain ]) ];
:local MacInServer ($LeaseVal->"active-mac-address" . " in " . $LeaseVal->"server"); :local MacInServer ($LeaseVal->"active-mac-address" . " in " . $LeaseVal->"server");
:local DnsRecord [ /ip/dns/static/find where comment=$Comment type=A ]; :local DnsRecord [ /ip/dns/static/find where comment=$Comment type=A ];

13
doc/dhcp-to-dns.md
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@ -84,6 +84,19 @@ Note this information can be configured in wireless access list with
then due to script execution order. Decrease the scheduler interval to then due to script execution order. Decrease the scheduler interval to
reduce the effect. reduce the effect.
### Override domain for CNAME records
By default both the A record (based on mac address) and the CNAME record
(based on host name) use the same domain. You can set a different domain
for CNAME records with `cname-domain=` in network comment:
/ip/dhcp-server/network/add address=10.0.0.0/24 domain=dhcp.example.com comment="cname-domain=example.com";
Adding `cname-domain=` in lease comment has even higher priority:
/ip/dhcp-server/lease/add address=10.0.0.50 comment="cname-domain=example.com" mac-address=00:11:22:33:44:55 server=dhcp;
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