3Com SSII roving analysis

Archived from groups: comp.dcom.lans.ethernet, comp.dcom.net-analysis (More info?)

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gump33lt wrote:


> I am having difficulty setting up an analysis port to monitor a
> fastethernet port on a 3Com SS II switch. Port 1 is a FE port that is
> configured for monitoring. Port 4 is configured as the analysis port.
> I am running ethereal on a laptop connected to the analysis port.
> Ethereal is monitoring in promiscuous mode. I see incoming broadcast
> traffic on port 1 but I never see the traffic generated on either ports
> 2 or 3 that should be leaving the switch via port 1 to an upstream
> switch. I see STP packets coming down the port 1 pipe, probably from
> the upstream switch, as well. Are there any gotchas to getting this to
> work?

> Some pertinent information from the switch:

> SuperStack II Switch 3900-36 (rev CA) - System ID a2050b

> POV rev 1.06 SysBoot rev 1.08 ExtDiags rev 2.01

> Flash Sysboot rev 1.08 Flash ExtDiags rev 2.01

> Version 3.0.5-7 - Built 2001-01-30T09:47:19

> Current system time: 2004-10-18T07:51:19

> System up time: 4 Days 32 Minutes 15 Seconds

> Time in Service: 1506 Days

> System Name: SuperStack II Switch-A2050B

> Chassis/TLA Part Number: 10010696



> Product Board Serial Product
> Part
> Description Rev Number Number
> Number
>
------------------------------------------------------------------------------

> 10/100BaseTX M/B, 36 RJ45 ports AA 2KSL004465 3C39036
> 10011085

> AP Memory Size : 8 MB

> Flash Memory Size : 4 MB

> Select menu option (ethernet): det
> Select Ethernet ports (1-39|all|?) [4]: 1

> rxFrames rxBytes
> rxFrameRate
> 1116622 114325112
> 2

> rxByteRate rxPeakFrameRate
> rxPeakByteRate
> 245 81
> 113137

> noRxBuffers alignmentErrs
> fcsErrs
> 0 0
> 0

> runts fragments
> jabbers
> 0 0
> 0

> oversized rxInternalErrs
> rxUnicasts
> 0 0
> 111833

> rxMulticasts rxMcastsOnly
> rxBroadcast
> 1004789 184082
> 820707

> txFrames txBytes
> txFrameRate
> 40181 3669848
> 0

> txByteRate txPeakFrameRate
> txPeakByteRate
> txQOverflows excessCollisions

> 0 0


> txInternalErrs carrierSenseErr
> txDiscards
> 0 0
> 0

> txUnicasts txMulticasts
> txMcastsOnly
> 24180 16001
> 2619

> txBroadcasts singleCollisions
> multiCollisions
> 13382 0
> 0

> lateCollisions requestedState

> 0 enabled


> portLabel




> portType

> 10/100BaseT(RJ45)

> on-line
> enabled

> macAddress autoNegMode
> autoNegState
> 00-80-3e-a2-05-0b enable
> completed

> reqPortMode actualPortMode
> reqFlowControl
> 100full 100full
> off

> actualFlowControl paceAccess

> off disable


> Select menu option (ethernet): det 4

> rxFrames rxBytes
> rxFrameRate
> 357043 33945610
> 0

> rxByteRate rxPeakFrameRate
> rxPeakByteRate
> 52 2
> 363

> noRxBuffers alignmentErrs
> fcsErrs
> 0 0
> 0

> runts fragments
> jabbers
> 0 0
> 0

> oversized rxInternalErrs
> rxUnicasts
> 0 0
> 0

> rxMulticasts rxMcastsOnly
> rxBroadcast
> 357043 1025
> 356018

> txFrames txBytes
> txFrameRate
> 1064004 104794966
> 1

> txByteRate txPeakFrameRate
> txPeakByteRate
> txQOverflows excessCollisions

> 0 0


> txInternalErrs carrierSenseErr
> txDiscards
> 0 0
> 0

> txUnicasts txMulticasts
> txMcastsOnly
> 114984 949022
> 174458

> txBroadcasts singleCollisions
> multiCollisions
> 774564 0
> 0

> lateCollisions requestedState

> 0 enabled


> portLabel




> portType

> 10/100BaseT(RJ45)


> on-line
> enabled

> macAddress autoNegMode
> autoNegState
> 00-80-3e-a2-05-0e enable
> completed

> reqPortMode actualPortMode
> reqFlowControl
> 100full 100full
> off

> actualFlowControl paceAccess

> off disable


> Select menu option (analyzer): disp
> Ports configured as analyzer ports:

> Port Type Address

> 4 Fast Ethernet 00-80-3e-a2-05-0e


> Ports being monitored:

> Port Type Analyzer Address

> 1 Fast Ethernet 00-80-3e-a2-05-0e
> TIA

> Larry







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