Understanding the Limitations of IPv4 Before moving on the to an in-depth discussion of IPv6, lets first look at the limitations of IPv4: The IPv4 addresses are somewhat scarce, even though it allows for 4,294,967,296 possible addresses. Because of this limitation, organizations are forced to utilize Network Address Translator (NAT) to map a public IP …
Troubleshooting VPN Services Overview Troubleshooting VPNs typically encompass troubleshooting of the following configuration settings, or aspects of your remote access strategy: IP connectivity. Setting up of remote access connections IPSec IP routing To create VPN connections, there are a few requirements that have to be met: VPN services need to be enabled on the server. …
Planning the Test Network Environment Any successful network design deployment includes a testing strategy, and the execution of the testing plan. To test the network design, you have to plan the test network or environment, and then create the test network. A testing environment can contain one lab or multiple labs. You can build various …
Installing TCP/IP TCP/IP is installed automatically when the Windows Server 2003 setup process runs. It is not usually necessary to install TCP/IP after the Windows Server 2003 setup process completed. The instances when you might need to manually install TCP/IP are listed below: TCP/IP was disabled when the Windows Server 2003 setup process executed. TCP/IP …
Internet Connectivity Introduction In most organizations and networks today, Internet connectivity is no longer an additional option, but a necessity. Most organizations that have a networking environment need to provide its employees or users with some form of connectivity to the Internet. E-mail and Web sites have evolved into being important mechanisms for a vast …
Determining Information Flow Requirements To determine the information flow of the organization, you need to include a number of factors, of which the main ones are listed below. Accessing data or information should be one of the main concerns when planning the network design: The data that needs to be accessed by users. The location …
In Routing and Remote Access Service (RRAS), NAT can be used to provide basic Internet connectivity for small offices or home offices. NAT translates IP addresses and associated TCP/UDP port numbers on the private network to public IP addresses which can be routed on the Internet. Through NAT, host computers are able to share a …
LAN Segmentation Overview Network segmentation is the terminology used to describe the process of dividing single Ethernet segments into multiple segments. Network segmentation has the following main advantages: Network performance of the LAN is improved. Network congestion issues can be resolved. Available bandwidth is maximized. A few technologies which you can use to perform network …
Microsoft Model Overview Before Windows NT 3.1 was released, users had to obtain the TCP/IP protocol suite from a third party, and then install it. This was necessary for users to connect to the network, which in turn usually resulted in a number of issues. When it came to network communication, the TCP/IP software which …
NetBEUI (NetBIOS Extended User Interface) is a program used for communication between applications installed on separate computers within the same LAN (Local Area Network). It is an upgraded version of NetBIOS and provides much more flexibility and functionality by rearranging the information in a data transmission. Like NetBIOS, NetBEUI is not a networking protocol and …