Install IfTop (Bandwidth Monitoring) Tool in RHEL / CentOS /

# yum -y install libpcap libpcap-devel ncurses ncurses-devel

# wget http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gz

# tar -zxvf iftop-0.17.tar.gz
# cd iftop-0.17
# ./configure
# make
# make install

# iftop

# iftop -i eth0