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Enable MAAS DHCP
- Navigate to Subnets > VLAN > Configure DHCP.
2.Choose rack controller or relay to another VLAN. - Set a Reserved dynamic range (optional).
- Save changes.
Create an IP range
- Select Subnets, choose a subnet, and Reserve range (dynamic or static).
- Enter Start and End IP addresses, then Save.
Edit, delete, or extend IP Range
- Edit or Delete: Go to Menu > Edit/Delete reserved range.
- Extend: Select Reserve dynamic range.
Enable DHCP
maas $PROFILE vlan update $FABRIC_ID $VLAN_TAG dhcp_on=True primary_rack=$PRIMARY_RACK_CONTROLLER
For high availability (HA):
maas $PROFILE vlan update $FABRIC_ID $VLAN_TAG dhcp_on=True primary_rack=$PRIMARY_RACK_CONTROLLER secondary_rack=$SECONDARY_RACK_CONTROLLER
Set a default gateway
maas $PROFILE subnet update $SUBNET_CIDR gateway_ip=$MY_GATEWAY
Set up a DHCP relay
-
UI:
Navigate to Subnets > Relay DHCP, set target VLAN, Save. -
CLI:
maas $PROFILE vlan update $FABRIC_ID $VLAN_VID_SRC relay_vlan=$VLAN_ID_TARGET
Manage DHCP snippets
-
UI:
Add, edit, or delete snippets via Settings > DHCP snippets. -
CLI:
maas $PROFILE dhcpsnippets create name=$NAME value=$CONFIG
maas $PROFILE dhcpsnippets read
Create IP Ranges (CLI)
- Dynamic:
maas $PROFILE ipranges create type=dynamic start_ip=$START_IP end_ip=$END_IP
- Reserved:
maas $PROFILE ipranges create type=reserved start_ip=$START_IP end_ip=$END_IP
DNS Records
- A/AAAA records:
maas $PROFILE dnsresources create fqdn=$HOSTNAME.$DOMAIN ip_addresses=$IPV4/6_ADDRESS
- CNAME:
maas $PROFILE dnsresource-records create fqdn=$HOSTNAME rrtype=cname rrdata=$ALIAS
Resolve common DHCP issues
- Network unreachable: Check external DHCP setup, static IP config, and netplan settings.
- DHCP service failures: Check logs, fix configs, restart MAAS services, clear proxy cache, verify settings, and repair the database.
Last updated a month ago.