參數(shù)資料
型號(hào): KSZ8993MI
廠商: Micrel Inc
文件頁數(shù): 22/86頁
文件大?。?/td> 0K
描述: IC SWITCH 10/100 W/TXRX 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 托盤
產(chǎn)品目錄頁面: 1081 (CN2011-ZH PDF)
其它名稱: 576-2124
KSZ8993MI-ND
Micrel, Inc.
KSZ8993M/ML
October 2008
29
M9999-020606
Spanning Tree
Process
PTF1
IGMP Process
Port Mirror
Process
Port VLAN
Membership
Check
PTF2
- Check receiving port's receive enable bit
- Check destination port's transmit enable bit
- Check whether packets are special (BPDU
or specified)
- RX Mirror
- TX Mirror
- RX or TX Mirror
- RX and TX 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 KSZ8993M will not forward the following packets:
1.
Error packets. These include framing errors, FCS errors, alignment errors, and illegal size packet errors.
2.
802.3x pause frames. The KSZ8993M will intercept these packets and perform the appropriate actions.
3.
"Local" packets. Based on destination address (DA) lookup. If the destination port from the lookup table
matches the port where the packet was from, the packet is defined as "local."
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