Set IPMI to use DHCP

Posted on December 4, 2019  •  2 minutes  • 244 words

If you installed ipmitools, you can change the IP address source from static to DHCP or otherwise.

To change to DHCP :

ipmitool lan set 1 ipsrc dhcp

Check what is now setup :

ipmitool lan print

example :

[root@server~]# ipmitool lan print
Set in Progress         : Set Complete
Auth Type Support       : NONE MD2 MD5 PASSWORD
Auth Type Enable        : Callback : MD2 MD5 PASSWORD
                        : User     : MD2 MD5 PASSWORD
                        : Operator : MD2 MD5 PASSWORD
                        : Admin    : MD2 MD5 PASSWORD
                        : OEM      : MD2 MD5 PASSWORD
IP Address Source       : DHCP Address
IP Address              : -ethernet-
Subnet Mask             : 255.255.0.0
MAC Address             : -mac-
SNMP Community String   : public
IP Header               : TTL=0x00 Flags=0x00 Precedence=0x00 TOS=0x00
BMC ARP Control         : ARP Responses Enabled, Gratuitous ARP Disabled
Default Gateway IP      : -gateway-
Default Gateway MAC     : 00:00:00:00:00:00
Backup Gateway IP       : 0.0.0.0
Backup Gateway MAC      : 00:00:00:00:00:00
802.1q VLAN ID          : Disabled
802.1q VLAN Priority    : 0
RMCP+ Cipher Suites     : 1,2,3,6,7,8,11,12
Cipher Suite Priv Max   : XaaaXXaaaXXaaXX
                        :     X=Cipher Suite Unused
                        :     c=CALLBACK
                        :     u=USER
                        :     o=OPERATOR
                        :     a=ADMIN
                        :     O=OEM
Bad Password Threshold  : 0
Invalid password disable: no
Attempt Count Reset Int.: 0
User Lockout Interval   : 0

Thanks to this IBM documentation.

Full syntax :

ipmitool lan set 1 ipsrc [ static | dhcp ] 
ipmitool lan set 1 ipaddr {YOUR DESIRED IP}
ipmitool lan set 1 netmask {YOUR NETMASK}
ipmitool lan set 1 defgw ipaddr 10.0.1.1