Texas Instruments TNETX3270 specifications Port mirroring, Cde

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TNETX3270

ThunderSWITCH 24/3 ETHERNET SWITCH

WITH 24 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS

SPWS043B ± NOVEMBER 1997 ± REVISED APRIL 1999

CDE

Remove:

±Disabled Ports

±Ports Blocked by TxBlockPorts From Port Routing Code

		If
	Yes	((Source Port = MirrorPort or
Mirr	Yes	Port Routing Code Includes MirrorPort)
Bit = 1?		and (Source Port ! = UplinkPort))
		Then
		Include UplinkPort in Port Routing Code
No
Lshare = 1?	Yes	Destination	No
		Destination
		Found?
		Found?
No			Port Routing Code
			Port Routing Code
			is Adjusted by
Port Routing Code		Yes	Load-Sharing
Port Routing Code		Yes	Algorithm
is Adjusted by			Algorithm
is Adjusted by			(see Note A)
Trunking Algorithm			(see Note A)
Trunking Algorithm
(see Note A)

Port Routing	Yes	Discard
Code = 0?		Frame
No
Send Frame to
Ports Indicated by
Port Routing Code

NOTE A: See Port Trunking/Load Sharing

Figure 9. Frame-Routing Algorithm (Continued)

port mirroring

The TNETX3270 allows all transmitted frames on a particular port to be copied (or mirrored) to a designated port.

44	POST OFFICE BOX 655303 •DALLAS, TEXAS 75265

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Contents TNETX3270 ThunderSWITCH 24/3 ETHERNET Switch With 24 10-MBIT/S Ports and 3 10-/100-MBIT/S PortsWith 24 10-MBIT/S Ports and 3 10-/100-MBIT/S Ports DescriptionThunderSWITCH 24/3 ETHERNET ContentsPGV Package TOP View ThunderSWITCH  24/3Terminal Internal Description Name RESISTOR³ 10-/100-Mbit/s MAC interface ports 24±26³ Terminal Internal Description Name ResistorTerminal Functions 10-/100-Mbit/s MAC interface ports 24±26 ²Sdram interface Dras DcasDclk DrasHost DIO interface Jtag interface Serial MII management PHY interfaceEeprom interface Miscellaneous Power interfaceSummary of signal terminals by signal group function Vlan DIO register groupsInternal Register and Statistics Memory Map SIO Detailed DIO Register MapByte DIO Address VLAN1QID VLAN0QID VLAN3QID VLAN2QIDVLAN5QID VLAN4QID VLAN7QID VLAN6QIDVLAN17QID VLAN16QID VLAN19QID VLAN18QIDVLAN21QID VLAN20QID VLAN23QID VLAN22QIDIntenable TNETX3270 reset reinitializes the TNETX3270 0x40000x5FFFFindnode23±16 Findnode31±24 Findnode39±32 Findnode47±40 Findcontrol Findnode7±0 Findnode15±8Receiving/transmitting management frames State of DIO signals during hardware resetInterface description Network management port Frame format on the NM port Vlan ID FCSTpid TCI CRCMII serial management interface PHY management Mbit/s and 10-/100-Mbit/s MAC interface receive controlGiant long frames Short framesReceive filtering of frames Data transmissionTransmit control Adaptive performance optimization APO transmit pacingReceive versus transmit priority Uplink pretaggingSource-Port Pretag Encoding Source PortPort 27 NM Received Pretag Port AssignmentsTAG GND Eeprom interfaceEdio TNETX3270 Eclk SCL SDA Outcome Stop Load Initd ² Fault LED Eclk Interaction of Eeprom load with the SIO registerSummary of Eeprom load outcomes Summary of Eeprom Load OutcomesJtag interface Jtag Instruction OpcodesHighz instruction LED interfaceHardware configurations LED Status Bit Definitions and Shift OrderLamp test Multi-LED displayMbit/s Interface Connections TNETX3270 TNETE2008 TerminalPort CLK Sync TXD3 M03TXD M04TXDM06TXD M03COLConnecting to TNETE2008 PHY² 10-/100-Mbit/s port configuration Switch TNETE2101 Terminal10-/100-Mbit/s MAC interfaces ports 24±26 100-Mbit/s Interface Connections10-/100-Mbit/s port configuration in a nonmanaged switch Speed Configuration ± MxxFORCE10Duplex Configuration ± MxxFORCEHD 10-/100-Mbit/s port configuration in a managed switch Sdram interface TNETX3270 Terminal Interface to SDRAMs Sdram Terminals Not Driven by the TNETX3270Terminals Sdram Terminal Function TNETX3270 Held Sdram Terminal Terminal FunctionTNETX3270 State Terminal During Reset SDRAM-type and quantity indicationInitialization RefreshIale Frame routingVlan support Ieee Std 802.1Q headers ± transmission Address maintenanceIeee Std 802.1Q headers ± reception Frame-routing determination Spanning-tree supportAging algorithms Frame-Routing Algorithm SPWS043B ± November 1997 ± Revised April Port mirroring CDEPort trunking/load sharing Flow controlCollision-based flow control Ieee Std 802.3 flow controlPause frame reception Internal wrap test Duplex wrap test PHY TNETX3270Copy to uplink Parameter Test Conditions MIN TYP MAX Unit Recommended operating conditionsMIN NOM MAX Unit Test measurement MIN MAX Unit Parameter MIN MAX Unit10-/100-Mbit/sreceive ports 24, 25 10-/100-Mbit/s MAC interfaceTiming requirements see Note 7 and Figure Timing requirements see Figure 10-/100-Mbit/stransmit ports 24, 25,Sdram command to command see Figure TdDA Delay time, from Dclk ↑ to DA Invalid Sdram subcycleDclk Dras DcasSDATA7± Z SDATA0 DIO/DMA interfaceDIO/DMA write cycle DIO/DMA read cycle Serial MII Management Read/Write Cycle Eeprom Parameter TNETX3150 TNETX3150A Unit MIN MAXTdLEDDATA Delay time, from LEDCLK↑ to 1st LED invalid ² During hard reset, Ledclk runs continuouslyPower-up Oscin and Reset Timing requirements see Figure TsuRESET Setup time Low before Oscin ↑ThRESET Hold time Low after Oscin ↑ TtOSCIN Transition time, Oscin rise and fallMechanical Data Important Notice