Chapter 1 System Overview and Requirements
© 2017 Harmonic Inc. All rights reserved. 27 Harmonic MediaGrid Release 4.1
Network Configuration
At this time, a single ContentStore 5840 can be connected to a ContentServer.
Network Diagram with 1 GbE Network
The network topology diagram in Figure 1–4 shows a basic network configuration using the
ContentServer 3000 with 1 GbE NIC cards.
In Figure 1–4, note the following:
Private VLAN 1 is a dedicated VLAN defined on the 1 GbE switch shown on the left. Private
VLAN 2 is a dedicated VLAN defined on the 1 GbE switch shown on the right. The
ContentDirectors must communicate on both private VLANs.
To allow failover, the Public VLAN indicated with the blue cables must also be connected to
the switch or module from the Public VLAN indicated with the gray cables. The separate
colors indicate failover configuration only; in reality these are the same VLAN.
The connection indicated by turquoise cables is used for a troubleshooting utility called the
Baseboard Management Console (BMC). This requires a 1 GbE connection from each
controller on a ContentServer to the 1 GbE switch. This connection can be used for data
transfer in addition to the BMC. The BMC cables should be connected to the Public VLAN.
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