Fujitsu BS2000, User Manual

Page: 39 / 374

Architecture and strategies Networks
U41855-J-Z125-3-76
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2.3.3 Integration of BS2000 into the LAN
From the viewpoint of BS2000 devices, the ZASLAN, LOCLAN and BRGLAN are devices
which are used for the LAN connection to the external physical network or for internal
communication in the Server Unit. They can be created in the SE Manager (see
section
“Managing LAN devices” on page 179 ) and must, in the case of VM2000, then be assigned
to the BS2000 VM concerned.
BS2000 ZASLAN
In the case of a ZASLAN connection, BS2000 uses a LAN interface of its own (Ethernet
controller) independently of other LAN interfaces. Only via such a connection does BS2000
obtain a direct view of the physical network.
In VM2000 mode a LAN interface can be used jointly by all connected BS2000 guest
systems. To permit this, a separate ZASLAN connection is configured for each BS2000 VM.
The associated devices are connected to their particular VM (using the ADD-VM-DEVICES
command).
The ZASLAN interfaces are displayed or modified in the SE Manager using
Devices →
[
<se server>(SE<model>)
→ ]
<unit> (SU<model>) → BS2000 devices
on the
LAN
tab.
I
All PCI ports can be used for the ZASLAN connections.
The following must be observed on the SU x86: LAN interfaces cannot be used
simultaneously for ZASLAN and virtual switches of XenVMs (see
section
“Integration of the XenVM guest systems into the LAN (only SU x86)” on page 39 ).
LOCLAN
The local LAN is a network implemented by software in the Linux-based basic system
concerned (X2000/M2000/HNC). The local LAN connections are consequently not included
in the figure illustrating the LAN structure (see
figure 2 ). The connection of BS2000 to the
local LAN is implemented on an SU x86 system with connections implemented by software
(MANLO: Management Network LOCLAN), and on an SU /390 by FC connections between
SU /390 and MU (MANLO) or HNC.
The following addresses are preconfigured for BS2000 and the basic system
(X2000/M2000):
System IP address
Basic system 192.168.138.12
BS2000 (Native or monitor system) 192.168.138.21
BS2000 guest systems on other VMs 192.168.138.22 etc.