routeros-scripts/doc/dhcp-to-dns.md

Create DNS records for DHCP leases

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ℹ️ Info: This script can not be used on its own but requires the base installation. See main README for details.

Description

This script adds (and removes) dns records based on dhcp server leases.

Requirements and installation

Just install the script:

$ScriptInstallUpdate dhcp-to-dns;

Then run it from dhcp server as lease script. You may want to use lease-script.

A scheduler cares about cleanup:

/system/scheduler/add interval=15m name=dhcp-to-dns on-event="/system/script/run dhcp-to-dns;" start-time=startup;

Configuration

On first run a disabled static dns record acting as marker (with comment "--- dhcp-to-dns above ---") is added. Move this entry to define where new entries are to be added.

The configuration goes to global-config-overlay, these are the parameters:

• Domain: the domain used for dns records
• HostNameInZone: whether or not to add the dhcp/dns server's hostname
• PrefixInZone: whether or not to add prefix dhcp
• ServerNameInZone: whether or not to add DHCP server name

See also

• Collect MAC addresses in wireless access list
• Comment DHCP leases with info from access list
• Create DNS records for IPSec peers
• Run other scripts on DHCP lease

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