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參數(shù)資料
| 型號： | KS8995MAL |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 25/73頁 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 10/100 5PORT 128PQFP |
| 標準包裝： | 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： | 散裝 |
| 配用： | 576-1017-ND - BOARD EVAL EXPERIMENT KS8995M |
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May 2005
31
M9999-051305
KS8995MA
Micrel, Inc.
Port Mirroring Support
KS8995MA supports “port mirror” comprehensively as:
1. “Receive Only” mirror on a port. All the packets received on the port will be mirrored on the sniffer port. For example,
port 1 is programmed to be “rx sniff,” and port 5 is programmed to be the “sniffer port.” A packet, received on port
1, is destined to port 4 after the internal look-up. The KS8995MA will forward the packet to both port 4 and port 5.
KS8995MA can optionally forward even “bad” received packets to port 5.
2. “Transmit Only” mirror on a port. All the packets transmitted on the port will be mirrored on the sniffer port. For
example, port 1 is programmed to be “tx sniff,” and port 5 is programmed to be the “sniffer port.” A packet, received
on any of the ports, is destined to port 1 after the internal look-up. The KS8995MA will forward the packet to both
ports 1 and 5.
3. “Receive and Transmit” mirror on two ports. All the packets received on port A AND transmitted on port B will be
mirrored on the sniffer port. To turn on the “AND” feature, set Register 5 bit 0 to 1. For example, port 1 is programmed
to be “rx sniff,” port 2 is programmed to be “transmit sniff,” and port 5 is programmed to be the “sniffer port.” A packet,
received on port 1, is destined to port 4 after the internal look-up. The KS8995MA will forward the packet to port 4
only, since it does not meet the “AND” condition. A packet, received on port 1, is destined to port 2 after the internal
look-up. The KS8995MA will forward the packet to both port 2 and port 5.
Multiple ports can be selected to be “rx sniffed” or “tx sniffed.” And any port can be selected to be the “sniffer port.” All these
per port features can be selected through Register 17.
VLAN Support
KS8995MA supports 16 active VLANs out of 4096 possible VLANs specified in IEEE 802.1q. KS8995MA provides a 16-entry
VLAN table, which converts VID (12 bits) to FID (4 bits) for address look-up. If a non-tagged or null-VID-tagged packet is
received, the ingress port VID is used for look-up. In the VLAN mode, the look-up process starts with VLAN table look-up to
determine whether the VID is valid. If the VID is not valid, the packet will be dropped and its address will not be learned. If the
VID is valid, FID is retrieved for further look-up. FID+DA is used to determine the destination port. FID+SA is used for learning
purposes.
DA found in
DA+FID found in
Static MAC table
USE FID Flag?
FID Match?
Dynamic MAC table
Action
No
Don’t care
No
Broadcast to the membership ports defined in the
VLAN table bit [20:16].
No
Don’t care
Yes
Send to the destination port defined in the
dynamic MAC table bit [54:52].
Yes
0
Don’t care
Send to the destination port(s) defined in the
static MAC table bit [52:48].
Yes
1
No
Broadcast to the membership ports defined in
the VLAN table bit [20:16].
Yes
1
No
Yes
Send to the destination port defined in the
dynamic MAC table bit [54:52].
Yes
1
Yes
Don’t care
Send to the destination port(s) defined in the
static MAC table bit [52:48].
Table 7. FID+DA Look-Up in the VLAN Mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KS8995M-EVAL | 功能描述:BOARD EVAL EXPERIMENT KS8995M RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| KS8995MI | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| KS8995X | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| KS8995X_04 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 QoS Switch |
| KS8995XA | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
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