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Configuring dynamic IP addresses and alternate IP addressing

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Windows Server should insert a default value for the subnet prefix into the Subnet Prefix Length text box. You configure dynamic and alternative addressing by following these steps: Click Remove to remove a selected server address from the list. Click Add if you want to add a server IP address to the list. Click OK three times to close the open dialog boxes. If this fails, the next suffix is used, and so on.

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Configuring TCP/IP networking

With IPv6, the first 64 bits represent the network id and the remaining 64 bits represent the network interface. With IPv4, a variable number of the initial bits represent the network id and the rest of the bits represent the host id. For example, if you're working with IPv4 and a computer on the network segment In this range, the address If you're on a private network that is indirectly connected to the internet, you should use private IPv6 addresses. Link-local unicast addresses are private IPv6 addresses.

All link-local unicast addresses begin with FE If you're on a private network that is indirectly connected to the internet, you should use private IPv4 addresses. Table summarizes private network IPv4 addresses. All other IPv4 network addresses are public and must be leased or purchased. If the network is connected directly to the internet and you've obtained a range of IPv4 addresses from your internet service provider, you can use the IPv4 addresses you've been assigned. Before you assign a static IP address, you should make sure that the address isn't already in use or reserved for use with DHCP.

With the PING command, you can check to see whether an address is in use. Open a command prompt and type ping, followed by the IP address you want to check. If you receive a successful reply from the ping test, the IP address is in use and you should try another one.

Note Pinging an IP address will work as long as all the hosts are active and reachable on the network at the time you ping the address. However, a firewall could be blocking your ping request. More important is to plan the assignment of static addresses to machines on your network carefully. One local area network lan connection is available for each network adapter installed.

These connections are created automatically. To configure static IP addresses for a particular connection, follow these steps:. To receive an IPv4 or IPv6 address, client computers use a limited broadcast to advertise that they need to obtain an IP address. Dhcp servers on the network acknowledge the request by offering the client an IP address. The client acknowledges the first offer it receives, and the DHCP server in turn tells the client that it has succeeded in leasing the IP address for a specified amount of time.

This means these settings wouldn't need to be manually configured on the client computer. Dynamic IP addresses aren't for all hosts on the network, however. Typically, you'll want to assign dynamic IP addresses to workstations and, in some instances, member servers that perform noncritical roles on the network. But if you use dynamic IP addressing for member servers, these servers should have reservations for their IP addresses.

For any server that has a critical network role or provides a key service, you'll definitely want to use static IP addresses. Although you can use static IP addresses with workstations, most workstations use dynamic addressing, alternative IP addressing, or both.

You configure dynamic and alternative addressing by following these steps:. For example, if your network uses routers or your network is connected to the internet without a nat or proxy server, you might not want to use APIPA. This allows a computer to appear to be several computers and to access multiple logical subnets to route information or to provide internetworking services.

To provide fault tolerance in case of a router outage, you can choose to configure Windows Server computers so that they use multiple default gateways. When you assign multiple gateways, Windows Server uses the gateway metric to determine which gateway is used and at what time.

The gateway metric indicates the routing cost of using a gateway. The gateway with the lowest routing cost, or metric, is used first. If the computer can't communicate with this gateway, Windows Server tries to use the gateway with the next lowest metric. The best way to configure multiple gateways depends on the configuration of your network. If computers use static IP addresses or you want to set gateways specifically, assign them by following these steps:. Click Start and then click Network.

In Network Connections, right-click the connection you want to work with and then select Properties. Figure shows advanced settings for IPv4.

The dialog box for IPv6 is similar. Repeat this step for each IP address you want to add. The Default Gateways panel shows the current gateways that have been manually configured if any. Type the gateway address in the Gateway field. By default, Windows Server automatically assigns a metric to the gateway, which determines in which order the gateway is used. To assign the metric manually, clear the automatic metric check box, and then enter a metric in the field provided.

Click Add, and then repeat this step for each gateway you want to add. DNS is a host name resolution service that you can use to determine the IP address of a computer from its host name. This lets users work with host names, such as http: Dns is the primary name service for Windows Server and the internet. As with gateways, the best way to configure DNS depends on the configuration of your network. If computers use static IP addresses or you want to configure DNS specifically for an individual user or system, you'll want to configure DNS manually.

You use the fields of the DNS tab as follows:. Click Add if you want to add a server IP address to the list. Click Remove to remove a selected server address from the list. Click Edit to edit the selected entry. You can specify multiple servers for DNS resolution.

Their priority is determined by the order. If the first server isn't available to respond to a host name resolution request, the next DNS server in the list is accessed, and so on. To change the position of a server in the list box, select it and then click the up or down arrow button. Append primary and connection specific DNS suffixes Normally, this option is selected by default.

Select this option to resolve unqualified computer names in the primary domain. For example, if the computer name gandolf is used and the parent domain is microsoft. If the fully qualified computer name doesn't exist in the parent domain, the query fails.

The parent domain used is the one set in the System Properties dialog box, on the Computer Name tab. Append parent suffixes of the primary DNS suffix This option is selected by default. If a query fails in the immediate parent domain, the suffix for the parent of the parent domain is used to try to resolve the query.

This process continues until the top of the DNS domain hierarchy is reached. For example, if the computer name gandolf is used in the dev. This is only happen when you already have printer driver before. I assume that you have installed previously.

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Configuring static IP addresses

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Oct 17,  · TCP/IP defines how your PC communicates with other PCs. To make it easier to manage TCP/IP settings, we recommend using automated Dynamic Host Configuration Protocol (DHCP). DHCP automatically assigns Internet Protocol (IP) addresses to the computers on your network if your network supports it. Apr 19,  · Set Up TCP/IP for Network Load Balancing on a Single Network Adapter. Click Start, point to Control Panel, point to Network Connections, and then click the Local Area Connection on which Network Load Balancing is installed. Click Properties. In the Local Area Connection Properties dialog box, click Internet Protocol (TCP/IP), and . Planning TCP/IP setup Before you start to install and configure your system, take a few moments to plan the operation. This topic helps you prepare for the installation and configuration of TCP/IP on IBM i.