[NETFRAME] IPv4 checksum not being computed

GomoR gomor at gomor.org
Fri Apr 25 08:54:44 CEST 2008


Currently there is no way to remove this message, appart from 
removing the line from the Perl module code.

Regards,

On Thu, Apr 24, 2008 at 09:38:14AM -0700, Carlos Vicente wrote:
> Thanks much.
> 
> I will give Net::Frame a try later.
> 
> Is there a way to avoid this warning?:
> 
>     Net::Packet::Dump::_startTcpdump: lookupnet: eth1.60: no IPv4
> address assigned
> 
> I have tried 'no warnings' and passing -X to perl, but no luck.
> 
> Thanks for your help.
> 
> cv
> 
> GomoR wrote:
> > Hi Carlos,
> >
> > that's because you create a custom Net::Packet::Env object, but do
> > not use it. You may also replace values from the default $Env object,
> > like this:
> >
> > --- src.pl      2008-04-24 09:59:19.000000000 +0200
> > +++ dst.pl      2008-04-24 10:00:17.000000000 +0200
> > @@ -1,6 +1,6 @@
> >      # Build custom environment object
> > -    my $env = Net::Packet::Env->new( dev            => $interface,
> > -                     mac            => $srcmac,
> > -                     ip             => '0.0.0.0',
> > -                     doIPv4Checksum => 1,
> > -                     ip6            => '::' );
> > +    $Env->dev($interface);
> > +    $Env->mac($srcmac);
> > +    $Env->ip('0.0.0.0');
> > +    $Env->doIPv4Checksum(1);
> > +    $Env->ip6('::');
> > +    $Env->debug(3);
> >
> > That should do it. Also, you should consider switching to Net::Frame,
> > it is the now prefered framework.
> >
> >
> >
> 
> _______________________________________________
> netframe site list
> netframe at lists.gomor.org
> http://lists.gomor.org/mailman/listinfo/netframe
> 

-- 
  ^  ___  ___             http://www.GomoR.org/          <-+
  | / __ |__/               Research Engineer              |
  | \__/ |  \     ---[ zsh$ alias psed='perl -pe ' ]---    |
  +-->  Net::Frame <=> http://search.cpan.org/~gomor/  <---+
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