
192 MergePoint 5224/5240 Service Processor Manager Installer and Administrator Guide
• If the management application resides on the user's workstation, the user brings up the
management application from the workstation.
• If the management application resides on the SP, and is an executable that can be invoked on
the command line, the user accesses the SP’s console first in one of the following two ways:
• The user enters
ssh with the spconsole command.
-or-
• In the Web Manager on the SP manager, the user selects Access -Target Devices and
selects the SP Console menu option.
The user then brings the management application up from the SP’s command line.
Why define virtual (DNAT) addresses?
A virtual network based on DNAT may be defined in the following cases:
• To hide the addresses of the target devices from users by the use of virtual IP addresses.
CAUTION: When an authorized user has service processor access, target device console access or native IP
access, there is no way to prevent that user from seeing the IP address of the target device while the user
is connected.
It is possible and desirable to hide target devices’ real IP addresses from users who are
authorized to access all other device management capabilities other than native IP, service
processor console or device console.
• When multiple private subnets must be supported by a single network route, and you do not
want to require authorized users to configure routes to each network.
For example, if three target devices have addresses 192.168.0.1, 10.0.25 and 17.10.11.12, three
private subnets could be defined. A virtual network would map the IP addresses from the three
private subnets to virtual IP addresses in the same virtual network range.
Table C.7 describes the information that defines a virtual network.
NOTE: Some service processors do not work with virtual network (DNAT) addresses.
Table C.7: Information Defining a Virtual (DNAT) Network
Field Description
Address IP address to assign to the SP manager from the virtual network address range. For example, if the
virtual IP address of the network is 10.0.0.0, 10.0.0.254 would be a valid IP address that could be
assigned to the SP manager. The administrator would then have all the other addresses to assign
to target device, except for 10.0.0.0 and 10.0.0.255.
Netmask Netmask is used in combination with the network address portion of the Address above to define
the address range of the virtual network.
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