30 Connecting to the BMC with address 10.2.3.4 failed. Error (21212)

Error (21212)
Connecting to the BMC with address 10.2.3.4 failed.
Recommended Action
Check network connectivity or the management controller board state.

If the above error is coming then you need to go into the iDRAC and change the below parameters under the “Network settings”.

IPMI Settings [enable the checkbox]
Attribute Value
Enable IPMI Over LAN
IPv4 Settings [enable the checkbox, update all the below fields]
Attribute Value
Enable IPv4
DHCP Enable
Static IP Address
Static Gateway
Static Subnet Mask
Use DHCP to obtain DNS server addresses
Static Preferred DNS Server
Static Alternate DNS Server
Common Settings [enable the checkbox]
Attribute Value
Register iDRAC on DNS
DNS iDRAC Name
Auto Config Domain Name
Static DNS Domain Name