Multiple Bladecenter Chassis - IBM 8677 - BladeCenter Rack-mountable - Power Supply Planning And Installation Manual
Installation guide
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Multiple BladeCenter chassis
You can deploy a series of BladeCenter units as a network infrastructure solution.
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Figure 2. Multiple BladeCenter units as a network infrastructure
In this configuration, each BladeCenter unit contains two Ethernet switch modules
and one management module. Both the external ports on the switch modules and
the corresponding ports on the attaching external LAN switches are configured for
multi-port link aggregation groups (or trunks). All switch module ports in switch bay
1 in the BladeCenter units are connected to the same external LAN switch and all
switch module ports in switch bay 2 in the BladeCenter units are connected to the
second external LAN switch.
Observe the following guidelines when creating this topology:
1. The external ports on the BladeCenter switch modules are designed for
point-to-point, full-duplex operation to a compatible LAN switch or router.
Configure a corresponding multi-port link aggregation group, or trunk, in both
the switch module and the attaching LAN switch prior to installing the cables.
The connection options are as follows, in order of preference:
v Multi-port Link Aggregation Group or Trunk, 1 Gbps (1000 Mbps) per port
v Single-uplink port, 1 Gbps
v Multi-port Link Aggregation Group or Trunk, 100 Mbps per port
2. Connect the management module 10/100 Mbps Ethernet port to a separate
network if possible, for security purposes. If a separate network is not available,
connect the Ethernet ports of the management modules and switch modules to
the same network.
3. Avoid network configurations that could lead to data loops, if possible. Loops
are created when you connect multiple ports from the same switch module to
Multiport aggregation group
1 Gbps or 100 Mbps links
Switch A
L2 Switch
Mgmt
10/100 Mbps
Mod A
management
links
Switch B
L2+ Switch
Switch A
Dual
external
Establishment
switches
Mgmt
backbone
Mod A
L2+ Switch
Switch B
Switch A
Mgmt
Mod A
Switch B
Chapter 3. Deployment considerations
IBM Director
- Chassis management
- Application deployment
- Internal switches
Network administrator
- Infrastructure
management
- Network hardware
and software
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