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Common Switch Region: Ethernet Core Switch (optional)
KAT4000 User’s Manual 10007175-02
4-2
ETHERNET CORE SWITCH (OPTIONAL)
The optional Vitesse VSC7376 GbE switch is a multilayer switch with 26 tri-speed
(10/100/1000 Mbps) SGMII Ethernet ports and integrated 1000Base-BX (SerDes) inter-
faces. The GbE switch supports the following:
• Two SGMII Ethernet ports connected from the switch to the ATCA backplane base fabric
via PHYs (PICMG 3.0)
• Two 1000Base-BX (SerDes) Ethernet ports routed between the processor and the switch
• Up to two 1000Base-BX (SerDes) Ethernet ports routed between each AMC site and the
switch (AMC.2)
• One 1000Base-BX (SerDes) Ethernet port routed between the fat pipe switch module
and the switch (AMC.2)
• Four 1000Base-BX (SerDes) Ethernet ports connected from the switch to the Update
Channel interface on J20 on the backplane (optional)
• Two 1000Base-BX (SerDes) Ethernet ports routed between the switch and Zone 3
Features of the switch include:
• Layer 2 switching capable of running 26 GbE ports at full bit rate
• Layer 2 features implemented: jumbo frames, port mirroring, quality-of-service and
traffic shaping
• Automatic configuration to a user definable default state at power-up; these include
non-volatile Virtual Local Area Network (VLAN) table settings with the ability to modify
in the field. The configuration and management of the switch is done via the processor
local bus. In the no-CPU configuration, the on-chip 8051 microprocessor controls
configuration and management of the switch.
• IEEE 802.1Q and port-based VLANs, IEEE 802.1D spanning tree protocol, and IEEE
802.3AD link aggregation control protocol
See
Fig.4-2 for a block diagram of the switch. For more information, reference the HawX-
G26 – 26-Port 10/100/1000 Managed Layer 2 Ethernet Switch, VSC7376 Data Sheet.
Note: Proprietary information on the Vitesse switch is not available in this user’s manual. Please refer to the Vitesse
web site for documentation, http://www.vitesse.com.