HOWTO: measure bandwith on AsteriskNOW (SHMZ, CentOS, Fedora)

iptraf allows to measure the throughput on network interface and watch individual connections.You can install iptraf with following command

# yum -y install iptraf

after start it displays as summary traffic as also detailed information about connections for NIC.

# iptraf

Other blogs recommend to install nload or iftop utilities, sadly both are not available in repository and you have to build from sources.

Enjoy!