HP Onboard Administrator - Manual (Page 292)

Configuring the HP BladeSystem c7000 enclosure and enclosure devices 292
Management network IP dependencies
Onboard Administrators management port allows external clients to connect through Onboard Administrator
to iLOs and interconnect management processors that are configured to use Onboard Administrators internal
management network
Onboard Administrator firmware bridges the client traffic to the enclosure from the management port to the
internal enclosure management network if the destination IP address is not Onboard Administrator. Onboard
Administrator creates a route table entry for each server iLO IP address in an enclosure. This allows Onboard
Administrator to conduct IP communications with that iLO. These iLO route table entries enable you to
configure each iLO network in a different subnet than Onboard Administrator. Each iLO is configured with
a valid gateway on its subnet that is accessible through Onboard Administrators external management port
connection. Routers are needed on the network connected to Onboard Administrator management port in
order to provide the multiple subnets and gateways on the management network. Use of different subnets to
attempt to isolate iLOs and Onboard Administrator management is not complete isolation of those networks.