Loopback adapter, what was that? another tutorial in dynamips tell about loopback adapter.
After googling for a while I found some interesting link to help me to answer my question.

Loopback adapter, this adapter suitable for computer who don’t have network adapter installed.

I see, I already use vmware where I can add new adapter as much as I can
I like graphic visualization , here’s the steps :

1.  The network before add loopback adapter

2. Open Control Panel

3. Double click on Add Hardware

4. Click Next

5. Wizard will search

6. Choose, ‘Yes, I have already connected the hardware’

7. Choose ‘Network adapters’

7. Choose ‘Microsoft Loopback Adapter’

8. Click Next

9. Click Finish

10. Network connection after loopback adapter added.

By default ‘Local Area Connection 2′ use DHCP

Great, I learn howto add loopback adapter, will try in my old computer at home

• loopback adapter
• install microsoft loopback adapter windows xp
• install microsoft loopback adapter
• vmware microsoft loopback
• microsoft loopback adapter vmware player
• microsoft loopback adapter configuration in dell laptop in xp
• microsoft loopback adapter download
• dynamips loopback xp
• windows xp loopback
• microsoft loopback adapter windows xp
• installing loopback adapter on xp
• microsoft network loopback adapter
• use dhcp with loopback
• use of loop back adapter
• microsoft loopback adapter vmware
• microsoft loopback adapter installation
• manually install the microsoft loopback adapter in windows xp
• microsoft loopback adapter install xp
• microsoft loopback adapter dynamips
• microsoft loopback adapter
• microsoft adapter#8
• use of microsoft loopback adapter
• xp pro sp3 microsoft loopback config
• windows xp microsoft loopback device
• windows xp how to configure loopback adapter
• window7 Microsoft Loopback Adapter
• window7 loopback adaptor
• window7 loopback
• window 7 loopback adaptor dynamips
• why use microsoft loopback adapter
• what microsoft loopback adapter is for?
• vmware windows loopback adapter
• vmware using ms loopback
• vmware player microsoft loopback adapter
• vmware player 3 microsoft loopback adapter
• vmware loopback adapter
• vmware and microsoft loopback adapter
• VMWare AND Microsoft Loopback
• loopback tut xp
• loopback dynamips windows xp
• loopback adaptor microsoft warcraft 3
• install loopback adapter xp
• install loop adapter on xp
• install legacy loopback adapter xp
• how to use loopback adapter for wc3
• how to install the microsoft loopback adapter in windows xp
• how to install ms loopback on xp
• how to install Microsoft loopback adapter on WinXP
• how to install microsoft loopback adapter in xp
• dynamips loopback adapter