4
Introducing the Switch
HP ProCurve 6120XG Blade Switch
The HP ProCurve 6120XG Blade Switch is a blade switch for the HP BladeSystem c-Class
enclosures. The 6120XG Blade Switch supports advanced Layer two switching. This switch can
be used to build high speed switched networks between servers in the data center.
Figure 4. HP ProCurve 6120XG Blade Switch
Designed for the c-Class BladeSystem enclosure, the HP ProCurve 6120XG Blade Switch
provides one 10GBASE-CX4 port and eight SFP+ (10-GbE) uplinks. A robust set of industry
standard layer 2 switching functions, QOS metering, security and High Availability features are
also included.
The HP ProCurve 6120XG Blade Switch provides 24 ports with 10 Gbps per channel connec-
tivity, 3 of which are utilized as shared 10 Gbps ports. There are sixteen 10 Gbps downlink ports
to the server blades, five dedicated front-panel SFP+ ports, front-panel CX4 port, and two 10
Gbps ports individually selectable as front-panel SFP+ port or inter-switch-links. In the
configuration guide these ports are referred to as ISCs.
There are two 10 Gbps ports that can be individually selectable as front-panel SFP+ ports or
inter-switch links. The inter-switch link (ISL) is an internal port that connects to an identical
device in the adjacent interconnect bay in the c-class enclosure. This port is under the control
of both the switch and the Onboard Administrator (OA) for the c-class enclosure. The OA
automatically enables this port if an identical device is detected in the adjacent bay - there is
no user interface for controlling this port via the OA Web interface or CLI. Administrative
control of this port is only possible using the ProCurve switch CLI or web GUI. This port is
disabled by default in the ProCurve switch factory default configuration.
All links conform to IEEE 802.3, SFP MSA, and SFP+ MSA specifications.
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