参数资料
型号: ZL50418/GKC
厂商: ZARLINK SEMICONDUCTOR INC
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封装: 37.50 X 37.50 MM, 2.33 MM HEIGHT, MS-034, HSBGA-553
文件页数: 146/155页
文件大小: 1928K
代理商: ZL50418/GKC
ZL50418
Data Sheet
90
Zarlink Semiconductor Inc.
In Tag-based VLAN Mode
Bit [5:3]:
Default Transmit priority. Used when Bit [7] = 1 (Default 0)
000 Transmit Priority Level 0 (Lowest)
001 Transmit Priority Level 1
010 Transmit Priority Level 2
011 Transmit Priority Level 3
100 Transmit Priority Level 4
101 Transmit Priority Level 5
110 Transmit Priority Level 6
111 Transmit Priority Level 7 (Highest)
Bit [6]:
Default Discard priority. Used when Bit[7]=1 (Default 0)
0 - Discard Priority Level 0 (Lowest)
1 - Discard Priority Level 1(Highest)
Bit [7]:
Enable Fix Priority (Default 0)
0 Disable fix priority. All frames are analyzed. Transmit Priority and Discard
Priority are based on VLAN Tag, TOS or Logical Port.
1 Transmit Priority and Discard Priority are based on values programmed in bit
[6:3]
Bit [0]:
Not used
Bit [1]:
Ingress Filter Enable
0 - Disable Ingress Filter. Packets with VLAN not belonging to source
port are forwarded, if destination port belongs to the VLAN. Symmetric
VLAN. (Default)
1 - Enable Ingress Filter. Packets with VLAN not belonging to source port
are filtered. Asymmetric VLAN.
Bit [2]:
Force untag out (VLAN tagging is based on IEEE 802.1Q rule).
0 - Disable (Default)
1 - Force untagged output. All packets transmitted from this port are
untagged.
This bit is used when this port is connected to legacy equipment that
does not support VLAN tagging.
Bit [5:3]:
Default Transmit priority. Used when Bit [7] = 1 (Default 0)
000 Transmit Priority Level 0 (Lowest)
001 Transmit Priority Level 1
010 Transmit Priority Level 2
011 Transmit Priority Level 3
100 Transmit Priority Level 4
101 Transmit Priority Level 5
110 Transmit Priority Level 6
111 Transmit Priority Level 7 (Highest)
Bit [6]:
Default Discard priority. Used when Bit [7]=1
0 – Discard Priority Level 0 (Lowest) (Default)
1 – Discard Priority Level 1(Highest)
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