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VSC7440 датащи(PDF) 35 Page - Microsemi Corporation

номер детали VSC7440
подробное описание детали  L2/L3 Enterprise Gigabit Ethernet Switch with 10 Gbps Links
PDF  444 Pages
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производитель  MICROSEMI [Microsemi Corporation]
домашняя страница  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7440 датащи(HTML) 35 Page - Microsemi Corporation

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Functional Descriptions
VMDS-10492 VSC7440 Datasheet Revision 4.2
18
FWD
AFI_INJ
47
1 bit
Injected into AFI.
RSV
46
1 bit
Reserved field. Must be set to 0.
ES0_ISDX_KEY_EN
A
45
1 bit
Controls use of ISDX in ES0 key.
RSV
44
1 bit
Reserved field. Must be set to 0.
VSTAX_AVAIL
43
1 bit
Received by ANA with valid VSTAX
section.
Extract: Frame received by ANA with valid
VSTAX section.
Inject: Frame to be forwarded based on
VSTAX section.
UPDATE_FCS
42
1 bit
Forces update of FCS.
0: Does not update FCS. FCS is only
updated if frame is modified by hardware.
1: Forces unconditional update of FCS.
RSV
41
1 bit
Reserved field. Must be set to 0.
DST_MODE
40:38
3 bits
Controls format of IFH.DST.
0: ENCAP
1: L3UC routing
2: L3MC routing
3: INJECT
Others: Reserved
SFLOW_MARKING
37
1 bit
Frame forwarded to CPU due to sFlow
sampling.
AGED
36
1 bit
Must be set to 0. Set if frame is aged by
QSYS. Only valid for extraction.
RX_MIRROR
35
1 bit
Signals that the frame is Rx mirrored.
MIRROR_PROBE
34:33
2 bits
Signals mirror probe for mirrored traffic.
0: Not mirrored.
1-3: Mirror probe 0-2.
SRC_PORT
32:27
6 bits
Physical source port number.
May be set by CPU to non-CPU port
number to masquerade another port.
DO_NOT_REW
26
1 bit
Controlled by CPU or
ANA_CL:PORT:QOS_CFG.KEEP_ENA
and prevents the rewriter from making any
changes of frames sent to front ports
when set.
Table 2 •
Internal Frame Header Fields (continued)
Field Category
Field Name
Bit
Width
Description



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