KVM performance over a network
When users access the HP IP Console Switch through a remote KVM console, the performance and
bandwidth utilization will vary depending on several factors:
x Type of connection (LAN or Internet)
x Network utilization (size of a system and whether it is a dedicated management network or does
double duty with main LAN)
x Type and amount of hardware used for switching and routing
x Video resolution and color depth
x Number of screen refreshes required
A remote KVM session requires minimum bandwidth since only screen changes, mouse movement,
and keystrokes are transferred. However, because it is difficult to accurately predict KVM
performance over a network, HP recommends that administrators do the following for KVM sessions:
x Use a 100 Mbps (or faster) network. The latest HP IP Console Switches support operation on
gigabit Ethernet networks.
x Use standard video settings and color depth (1024 x 768 @ 256 colors).
x Minimize screen refreshes by not running applications that display large windows and require
frequent content changes or have significant dynamic information flowing in them.
Session types
Figure 9 shows an image of the HP IP Console Viewer 3.0 display when properly configured for use
with an HP ProLiant server and EMS. As indicated by the arrows, three types of sessions—a KVM,
iLO, and serial session—can be launched simultaneously to the selected server.
Figure 9. HP IP Console Viewer applet screen for an HP ProLiant DL360 server running Microsoft®
Windows® 2003 Server
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