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Where is the round-trip source and destination of the Fcping command?

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  • 1.  Where is the round-trip source and destination of the Fcping command?

    Posted 05-28-2018 07:16 PM

    Where is the round-trip source and destination of the Fcping command?

     

    ex]

    switch:admin> fcping 10:00:00:00:c9:29:0e:c4 21:00:00:20:37:25:ad:05

    Source: 10:00:00:00:c9:29:0e:c4

    Destination: 21:00:00:20:37:25:ad:05

    Zone Check: Not Zoned

     

    Pinging 10:00:00:00:c9:29:0e:c4 [0x20800] with 12 bytes of data:

    received reply from 10:00:00:00:c9:29:0e:c4: 12 bytes time:1162 usec

    received reply from 10:00:00:00:c9:29:0e:c4: 12 bytes time:1013 usec

    received reply from 10:00:00:00:c9:29:0e:c4: 12 bytes time:1442 usec

    received reply from 10:00:00:00:c9:29:0e:c4: 12 bytes time:1052 usec

    received reply from 10:00:00:00:c9:29:0e:c4: 12 bytes time:1012 usec

    5 frames sent, 5 frames received, 0 frames rejected, 0 frames timeout

    Round-trip min/avg/max = 1012/1136/1442 usec

     

    Round-trip Destination ? 1 or 2 ??

     

    1.Source (Domain controller) < - > SAN Switch F-port
    2.Source (Domain controller) < -  SAN Switch F-port  - > Server HBA

     


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  • 2.  Re: Where is the round-trip source and destination of the Fcping command?
    Best Answer

    Posted 05-28-2018 11:44 PM

    Hello,

     

    as per documentation.

     

            When you use fcPing with a source and a destination,  the
            command performs a zoning check between the two ports. In
            addition, two Fibre Channel ELS requests  are  generated.
            The  first  ELS  request is from the domain controller to
            the source port identifier. The  second  ELS  request  is
            from  the domain controller to the destination port iden-
            tifier. The ELS Echo request elicits an ELS Echo response
            from  a  port  identifier in the fabric and is useful for
            validating link connectivity.

    This ouputu is from SERVER HBA as the WWN is hosted on HBA not on switch.


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  • 3.  Re: Where is the round-trip source and destination of the Fcping command?

    Posted 05-28-2018 11:51 PM

    Thank you for your response.
    Do you have a document or picture that says you get it from an HBA?


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  • 4.  Re: Where is the round-trip source and destination of the Fcping command?
    Best Answer