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2 Virtual-IO Manager - Introduction
Dedicated service networks
Figure 8: Dedicated service networks
The dedicated service network is designed to separate LAN traffic of an
iRMC from the operating system LAN traffic if the iRMC is not using a sep-
arate management LAN but is configured to share its LAN traffic with an
onboard LAN port of the server blade. In order to separate the LAN traffic of
iRMC and operating system in this case, the iRMC must also be configured
to use a VLAN tag for its LAN packets. A dedicated service network defined
with the same VLAN ID as used by the iRMC allows the tagged iRMC LAN
packets to be routed to specific uplink port(s) (external port(s)), whereas the
other LAN packets from the operating system are routed to a separate uplink
port.
In addition, the dedicated service network can also be used to route the LAN
packages of a virtual NIC defined in the operating system running on the
server blade to specific uplink ports. In order to do this, the virtual NIC in the
operating system must be configured to send all packets with a VLAN tag.
40 ServerView Virtual-IO Manager