Reference Guide
Managed Nodes (ESXi)
Table 5. Supported Protocols and Ports on Managed Nodes
Port Number Protocols Port Type Maximum 
Encryption 
Level
Direction Destination Usage Description
162, 11620 SNMP UDP None Out ESXi to OMIVV 
appliance
Hardware 
Events
Asynchronous 
SNMP traps 
sent from 
ESXi. This port 
has to open 
from ESXi.
443 WSMAN TCP 128-bit In OMIVV appliance 
to ESXi(OMSA)
iDRAC/OMSA 
communicatio
n
Used to 
provide 
information to 
the 
management 
station. This 
port has to 
open from 
ESXi.
443 HTTPS TCP 128-bit In OMIVV appliance 
to ESXi
HTTPS server Used to 
provide 
information to 
the 
management 
station. This 
port has to 
open from 
ESXi.
8080 HTTP TCP 128-bit Out ESXi to OMIVV 
appliance
HTTP server; 
downloads the 
OMSA VIB and 
xes non-
compliant 
vSphere hosts.
Helps ESXi to 
download the 
OMSA/driver 
VIB.
Managed Nodes (iDRAC or CMC or Management Module)
Table 6. Supported Protocols and Ports on Managed Nodes
Port Number Protocols Port Type Maximum 
Encryption 
Level
Direction Destination Usage Description
443 WSMAN/
HTTPS, 
REST/HTTPS
TCP 128-bit In OMIVV appliance 
to iDRAC or CMC 
or Management 
Module
iDRAC 
communicatio
n
Used to 
provide 
information to 
the 
management 
station and 
Ports 13










