Ethereal-dev: Re: [ethereal-dev] minor problems with RPC dissector

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Thu, 11 Nov 1999 12:19:21 -0800 (PST)
> I have attached a very short trace of local portmap activity caused by
> killing and restarting ypbind. Note the reply packets after each of the
> requests. (I don't know why it's doubled btw.)

Note tha the time stamps of the packet and its duplicate are identical,
and that "localhost" appears in all address fields, and that it's a
DLT_NULL capture file.

It was probably done on the loopback interface; perhaps the OS on which
you ran this supplies loopback packets to the raw packet capture
interface when sent *and* when received, so that you see two copies of
every packet sent over the loopback interface?