參數(shù)資料
型號(hào)： TC9204-DS-R04
廠商： Electronic Theatre Controls, Inc.
英文描述： 4-Port 10/100/1000 Smart Ethernet Switch
中文描述： 4端口10/100/1000智能以太網(wǎng)交換機(jī)
文件頁(yè)數(shù)： 38/49頁(yè)
文件大小： 1549K
代理商： TC9204-DS-R04
TC9204M
Preliminary Data Sheet
10.3.12 CoS Configuration Register
-
Address: 47h
Confidential.
Copyright
2003, IC Plus Corp.
38/49
July 29, 2003
TC9204M-DS-R05
7 6 5 4 3 2 1 0
EnIPPr
EnVLANPr
CosResolution
VLANPrec
DefCoS
not used
CosConfig
Bit(s)
0
1
2
3
5 - 4
7 - 6
EnIPPr
Field
Description
EnIPPr
EnVLANPr
CoSResolution
VLANPrec
DefCoS
not used
Enable IP priority
Enable VLAN priority
CoS Resolution Mode
VLAN Precedence
Default Class of Service
not used
Setting this field to ‘1’ will enable IP prioritization. CoS resolution function will
consider TOS Precedence bits from IP Header. Default value is its corresponding
EnIPPr
pin value.
Setting this field to ‘1’ will enable VLAN prioritization. CoS resolution function will
consider user-priority bits (TCI field) from 802.1Q VLAN Tag Header. Default value
is its corresponding
EnVLANPr
pin value.
When this bit is set to ‘0’ the CoS resolution function will assign to each frame the
highest CoS obtained from all enabled prioritization sources.
Setting this field to ‘1’, the resolution function will perform a prioritized parsing of
CoS sources, depending of
VLANPrec
bit. The CoS will be assigned considering
the first source that has been found within the frame (VLAN or IP). If none of the
VLAN or IP prioritization sources have been found then the port based prioritization
is considered if enabled, otherwise the frame will be assigned the default CoS.
Default is ‘1’.
If
CoSResolution
field is set to ‘0’, this field is meaningless. When
CoSResolution
field is set to ‘1’, this field will set the prioritization sources precedence for the
resolution function. A value of ‘1’ will set the following precedence (from highest to
lowest):
VLAN
priority,
IP
priority,
port
priority. A value of ‘0’ will set the following
precedence (from highest to lowest):
IP
priority,
VLAN
priority,
port
priority. Default
is ‘0’.
This is the CoS a frame will receive when port based prioritization is disabled and
both VLAN and IP headers are not found (or the corresponding VLAN / IP
prioritizations are also disabled). This configuration can be used especially when
CoSResolution setting is ‘0’. Default is “01” (CoS 1).
EnVLANPr
CoSResolution
VLANPrec
DefCoS
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC9204-DS-R05 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Port 10/100/1000 Smart Ethernet Switch
TC9204M 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Port 10/100/1000 Smart Ethernet Switch
TC9205F 制造商:Panasonic Industrial Company 功能描述:IC
TC9205M 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:5-Port 10/100/1000 Smart Ethernet Switch
TC9205M-DS-R02 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:5-Port 10/100/1000 Smart Ethernet Switch
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