I get this error message and i do got the libpcap-devel install and can't get to install from cpan here the error message 
CPAN.pm: Building S/SA/SAPER/Net-Pcap-0.16.tar.gz

looking for -lpcap... no
        - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
You appear to lack the pcap(3) library. 

If it is installed in a non-standard location, please try setting the 
+LIBS 
and INC values on the command line.

Or get the sources and install the pcap library from http://www.tcpdum
+p.org/

If you install the pcap library using a system package, make sure to a
+lso 
install the corresponding -devel package, which contains the C headers
+ needed 
to compile this module. 
        - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
No 'Makefile' created'YAML' not installed, will not store persistent s
+tate
  SAPER/Net-Pcap-0.16.tar.gz
  /usr/local/bin/perl Makefile.PL -- NOT OK
Running make test
  Make had some problems, won't test
Running make install
  Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determi
+ne prerequisites

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In reply to Net::Pcap prob by perlsyntax

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