Directed IP Broadcast - VxWorks

This is a discussion on Directed IP Broadcast - VxWorks ; Hello, I have two interfaces on my target. INT0 and INT1. IP address of INT0 is 10.1.0.1 Netmask - 0xff000000 Broadcast Address - 10.255.255.255 IP address of INT1 is 11.1.0.1 Netmask - 0xff000000 Broadcast Address - 11.255.255.255 I have connected ...

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Thread: Directed IP Broadcast

  1. Directed IP Broadcast

    Hello,

    I have two interfaces on my target.

    INT0 and INT1.

    IP address of INT0 is 10.1.0.1
    Netmask - 0xff000000
    Broadcast Address - 10.255.255.255

    IP address of INT1 is 11.1.0.1
    Netmask - 0xff000000
    Broadcast Address - 11.255.255.255

    I have connected 10.1.0.2 to INT0 and 11.1.0.2 to INT1.

    I can ping from 10.1.0.2 to 11.1.0.2 using the router stack of VxWorks.
    But when I send Directed IP broadcast packets with address
    11.255.255.255 from 10.1.0.2, the packets are getting dropped.
    The command ipstatShow shows "can't forward" counter getting
    incremented.

    Following is the snapshot of my routing table, which seems to be
    correct.

    -> routeShow

    ROUTE NET TABLE
    destination gateway flags Refcnt Use
    Interface
    ----------------------------------------------------------------------------
    10.0.0.0 10.1.0.1 33554689 2 0
    INT0
    11.0.0.0 11.1.0.1 33554689 1 0
    INT1
    ----------------------------------------------------------------------------

    ROUTE HOST TABLE
    destination gateway flags Refcnt Use
    Interface
    ----------------------------------------------------------------------------
    127.0.0.1 127.0.0.1 35651589 0 0
    lo0
    ----------------------------------------------------------------------------
    value = 0 = 0x0
    ->

    Please help.

    Thanks,
    Raj


  2. Re: Directed IP Broadcast

    I guess this is not supported in VxWorks 6.2
    Thats what WindRiver Said to me.


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