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VSC7440 Datasheet(PDF) 22 Page - Microsemi Corporation

Part # VSC7440
Description  L2/L3 Enterprise Gigabit Ethernet Switch with 10 Gbps Links
PDF  444 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7440 Datasheet(HTML) 22 Page - Microsemi Corporation

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Functional Descriptions
VMDS-10492 VSC7440 Datasheet Revision 4.2
5
3
Functional Descriptions
This section describes the functional aspects of the VSC7440 device, including available configurations,
operational features, and testing functionality. It also defines the device setup parameters that configure
the device for a particular application.
The functional descriptions in this section contain some information shared across multiple switch
families. As a result, some functional descriptions do not apply to the device. The following features and
associated functional aspects are not supported by VSC7440.
•
MEF services
•
ISDX, VSI, ESDX
•
Service statistics (ingress, egress)
•
ISDX selected SDLB policing
•
Versatile OAM processor (VOP)
•
Hardware OAM processing
•
Port VOEs, service VOEs, path VOEs
•
MIPs and MEPs
•
Y.1564 SAM, SAM sequence
•
OAM COSID and color
•
MPLS-TP processing (LSR, LER)
•
VCAP CLM keys: SGL_MLBS, DBL_MLBS, TRI_MLBS
•
MPLS TC mapping
•
Hierarchical QoS and dual-rate shaping
•
Stacking
•
Learn all frames
•
Stacking links
Note: The VStaX header is used by all switch families as an internal frame header and when communicating
with external CPUs.
The following illustration shows an RTL block diagram of the physical blocks in the device and how the
blocks interconnect. The functional aspects of each block are provided in following sections. The grayed-
out blocks represent the VCore-III and DEVCPU blocks. For more information about the VCore-III and
DEVCPU blocks, see VCore-III System and CPU Interfaces, page 305.



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