RPI-Connecting In. via Lan connect

The simplest way to connect the Raspberry Pi to the Internet is using the built-in LAN
connection on the Model B. If you are using a Model A Raspberry Pi, a USB-to-LAN adapter can
be used (refer to the There's more… section of the Networking and connecting your Raspberry
Pi to the Internet via a USB Wi-Fi dongle recipe for details on how to configure this).
Getting ready
You will need an access to a suitable wired network, which will be connected to the Internet
and a standard network cable (Cat5e or a similar one with a RJ45 type connector for
connecting to the Raspberry Pi).
How to do it…
Many networks connect and configure themselves automatically using Dynamic Host
Configuration Protocol (DHCP), which is controlled by the router or switch. If this is the case,
simply plug the network cable into a spare network port on your router or network switch (or
wall network socket if applicable).

Alternatively, if a DHCP server is not available, you shall have to configure the settings
manually (refer to the There's more… section for details).
You can confirm this is functioning successfully with the following steps:
1. Ensure that the three LEDs on the Raspberry Pi marked FDX, LNK, and 100, light up
(the 100 LED may not light up if connected to a 10 Mbps device rather than the
more common 100 Mbps device), and in some cases, start to flash. This will indicate
that there is a physical connection to the router and the equipment is powered
and functioning.
2. Test the link to your local network using the ping command. First, find out the IP
address of another computer on the network (or the address of your router perhaps,
often 192.168.0.1 or 192.168.1.254). Now, on the Raspberry Pi terminal,
use the ping command (the parameter -c 4 is used to send just four messages;
otherwise, press Ctrl + C to stop) to ping the IP address as follows:
ping 192.168.1.254 -c 4
3. Test the link to the Internet (this will fail if you usually connect to the Internet though
a proxy server) as follows:
ping www.raspberrypi.org -c 4
4. Finally, you can test the link back to the Raspberry Pi by discovering the IP address
using hostname -I on the Raspberry Pi. You can then use the ping command on
another computer on the network to ensure it is accessible (using the Raspberry
Pi's IP address in place of www.raspberrypi.org). The Windows version of the
ping command will perform five pings and stop automatically and will not need
the –c 4 option).
If the above tests fail, you will need to check your connections and then confirm the correct
configuration for your network.