'iptraf' : # yum install iptraf
'netconfig' : Not seen since Redhat 8 ? ( 9 years ago.)
Please use # system-config-network.
However, there is a package on rpmpbone:
ftp://ftp.pbone.net/mirror/yum.trixb...2.2.1.i386.rpm
> > netconfig-0.8.24-1.2.2.1.i386.rpm
Finding missing files, commands : yum provides */<file-name>
..