參數(shù)資料
型號(hào): KSZ8873MLLI
廠商: Micrel Inc
文件頁數(shù): 38/115頁
文件大小: 0K
描述: IC ETHERNET SWITCH 3PORT 64LQFP
產(chǎn)品培訓(xùn)模塊: KSZ8873 Ethernet Switches
標(biāo)準(zhǔn)包裝: 160
控制器類型: 以太網(wǎng)開關(guān)控制器
接口: MII
電源電壓: 1.8V,2.5V,3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-PQFP(10x10)
包裝: 托盤
Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
29
Revision 1.6
Spanning T ree
Process
PT F1
IGMP Process
Port Mirror
Process
Port VLAN
Membership
Check
PT F2
- Check receiving port's receive enable bit
- Check destination port's transmit enable bit
- Check whether packets are special (BPDU
or specified)
- RX Mirror
- T X Mirror
- RX or T X Mirror
- RX and T X Mirror
- Applied to MAC #1 and MAC #2
- MAC #3 is reserved for
microprocessor
- IGMP will be forwarded to port 3
Figure 5. Destination Address Resolution Flow Chart
Stage 2
The KSZ8873MLL/FLL/RLL will not forward the following packets:
1.
Error packets
These include framing errors, frame check sequence (FCS) errors, alignment errors, and illegal size packet errors.
2.
IEEE802.3x PAUSE frames
KSZ8873MLL/FLL/RLL intercepts these packets and performs full duplex flow control accordingly.
3.
"Local" packets
Based on destination address (DA) lookup. If the destination port from the lookup table matches the port from which
the packet originated, the packet is defined as "local."
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