Users Guide
6
Setting Up iDRAC Communication
You can communicate with iDRAC using any of the following modes:
• iDRAC Web Interface
• Serial connection using DB9 cable (RAC serial or IPMI serial) - For rack and tower servers only
• IPMI Serial Over LAN
• IPMI Over LAN
• Remote RACADM
• Local RACADM
• Remote Services
For an overview of the supported protocols, supported commands, and pre-requisites, see the following 
table.
Table 10. Communication Modes —Summary
Mode of 
Communication
Supported Protocol Supported Commands Prerequisite
iDRAC Web Interface Internet Protocol (https) NA Web Server
Serial using Null 
modem DB9 cable
Serial Protocol RACADM
SMCLP
IPMI
Part of iDRAC firmware
RAC Serial or IPMI Serial 
is enabled.
IPMI Serial Over LAN  Intelligent Platform 
Management Bus 
protocol
SSH
Telnet
IPMI IPMITool is installed and 
IPMI Serial Over LAN is 
enabled.
IPMI over LAN Intelligent Platform 
Management Bus 
protocol
IPMI IPMITool is installed and 
IPMI Settings is enabled.
SMCLP  SSH
Telnet
SMCLP SSH or Telnet on iDRAC 
is enabled.
Remote RACADM https Remote RACADM Remote RACADM is 
installed and enabled.
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