Network speed tests, config notes for Ubuntu

For connectivity to outside hosts, use the following
http://www.speakeasy.net/speedtest/
http://www.speedtest.net/index.php?nojs=1

Internal host to host speed measures
iptop is an application that will monitor conversations and show performance.
hping3 is an application to generate traffic
mii-tool is an information tool to check Media Independent Interfaces.

Configuration 
=> Host IP address 192.168.1.100
=> Netmask: 255.255.255.0
=> Network ID: 192.168.1.0
=> Broadcast IP: 192.168.1.255
=> Gateway/Router IP: 192.168.1.254
=> DNS Server: 192.168.1.254
Open network configuration file
$ sudo vi /etc/network/interfacesOR$ sudo nano /etc/network/interfaces
Find and remove dhcp entry:
iface eth0 inet dhcp
Append new network settings:
iface eth0 inet static
address 192.168.1.100
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.254

Save and close the file. Restart the network:
$ sudo /etc/init.d/networking restart