HP StorageWorks XP Command View Advanced Edition software Device Manager server installation and configuration guide (web version) (T1780-96078, March 2008)

Device Manager network configuration
31
2 Device Manager network configuration
HP StorageWorks XP disk arrays come equipped with a service processor known as the SVP. The
SVP has two Ethernet adapters. The first adapter is for a private (internal) Ethernet LAN, which is
intended for intra-array communications only. Only two devices can access the internal LAN: the
SVP and, for XP512/XP48, the Remote Console. The second adapter is used for other applications
to talk to the SVP. This LAN is referred to as the public LAN because it is visible to other computers
outside the array. The XP Remote Web Console, Device Manager, Enterprise Resource Manager,
and Enterprise Storage Resource Manager applications use the public LAN to communicate with
the SVP about the array and configuration changes.
CAUTION: XP24000/XP20000, XP12000/XP10000/SVS200, XP1024/XP128, and XP512/XP48
have a public LAN and a private LAN. Device Manager uses the public LAN to communicate with
the SVP about the array and configuration changes. Do not under any circumstances attach the
private LAN to an external network because this can cause serious problems on the array.
Figure 2-1 illustrates an incorrect LAN connection.
Figure 2-1 Incorrect XP series disk arrays LAN connection
This chapter discusses the following:
• Common security risks
• Server network configurations
• Working with a network that uses a firewall
• Registering firewall exceptions in a Linux environment
• Setting up the environment of a server machine that has multiple NICs
• Operating in an IPv6 environment
2-1 Common security risks
System administrators frequently separate production LANs from management LANs. In such
cases, management LANs act as a separate network, which isolates management traffic from a