RE: Netflow output question. Please help

From: Aleks Sheynkman (aleks@narus.com)
Date: Sat Aug 11 2001 - 13:38:16 PDT

  • Next message: Aleks Sheynkman: "RE: Netflow output question. Please help"

    Sorry ,yes is 254 bytes length

    -----Original Message-----
    From: Aleks Sheynkman
    Sent: Saturday, August 11, 2001 1:38 PM
    To: 'jose orlando t. ribeiro'; Aleks Sheynkman
    Cc: cflowd@caida.org
    Subject: RE: Netflow output question. Please help

    yes is 245 bytes length

    -----Original Message-----
    From: jose orlando t. ribeiro [mailto:jorlando@uol.com.br]
    Sent: Saturday, August 11, 2001 1:40 PM
    To: Aleks Sheynkman
    Cc: cflowd@caida.org
    Subject: Re: Netflow output question. Please help

    Hmmm...

    the packet has 256 bytes of data or 256 bytes of lenght??? if its 256
    bytes lenght, the difference is because netflow is discarding headers
    and gives the answer in data size.

    I'm not an netflow expert...it's just a guess :-)

    orlando

    Aleks Sheynkman wrote:
    > Hello !
    >
    > I have small problem with the Netflow, I'm trying to send 100 UDP
    packets
    > through the routers and see what will come out of
    > Netflow, each packet is 256 bytes, so in the Netflow, I suppose to
    expect
    > to see 25,600 bytes sent trough the interface ,
    > but in some reason I always getting 23,800 bytes but number of packets
    > Netflow reports as a 100 .
    >
    > Any idea?
    >
    > Here is my configuration :
    >
    >
    > Gig in |=============| POS OC3 out POS
    > OC3 in |=============| Gig OUT
    > ========= | Router A |
    > =============================== | Router B | =====================
    > |=============|
    > |=============|
    >
    >
    > Thanks a lot in advance !
    >
    > -Aleks.
    > --
    > cflowd mailing list
    > cflowd@caida.org
    >
    > .
    >
    >

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