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10 Scalability and performance of Dell EMC OpenManage Essentials version 2.5
6 Network bandwidth utilization
Discovery and inventory bandwidth utilization by using the Guided
Discovery wizard
The test results of network bandwidth utilized by different protocols for discovery or inventory, and health
status poll by using the Guided Discovery wizard in OME is listed in Table 4.
Table 4: Network bandwidth utilization for discovery and inventory by using Guided Discovery
Device Type
Protocol
Used for
Discovery
OME Workflow
Bandwidth
Incoming
(approx.)
Outgoing
(approx.)
iDRAC
(Server Out-of-band)
WS-Man
Discovery/Inventory
569 KB to
756 KB
69 KB to 168
KB
Status Poll
12 KB
6 KB
Server with OMSA
SNMP
Discovery/Inventory
50 KB to
133 KB
40 KB to 103
KB
Status Poll
4 KB
3 KB
Windows Server without
OMSA
WMI
Discovery/Inventory
2 MB
123 KB
Status Poll
242 KB
12 KB
Linux Server without
OMSA
SSH
Discovery/Inventory
24 KB
10 KB
Status Poll
3 KB
2 KB
ESXi Host + Guests
WS-Man +
SNMP
Discovery/Inventory
756 KB
168 KB
Status Poll
330 KB
115 KB
Hyper-V Host + Guests
WMI +
SNMP
Discovery/Inventory
2 MB
166 KB
Status Poll
184 KB
13 KB
Comprehensive Chassis
Discovery
WS-Man
(SNMP protocol
is used for
discovering
IOAs)
Discovery/Inventory
3 MB
365 KB
Status Poll
62 KB
26 KB
Client
WMI
Discovery/Inventory
2 MB
88 KB
Status Poll
390 KB
20 KB
Dell EMC PowerVault MD
Array
MD Array
Discovery/Inventory
163 KB
2 KB
Status Poll
162 KB
772 B