Ironing Out Problems

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Problems that occur on TCP/IP networks are almost always associated with incorrect configurations. The wrong IP address, subnet mask, default gateway, DNS server, WINS server, or DHCP server can bring a system, if not an entire network, to its knees. Therefore, you need to take extra caution to double-check your settings and changes before putting them into effect.

If you connect to an ISP, you should contact the ISP's technical support personnel early to eliminate as much wheel-spinning as possible. You may discover the problem is not on your end, but theirs. If so, your only recourse is to wait it out, and then complain. If problems occur too often for your comfort , take your business elsewhere.

Windows Server 2003 includes a few TCP/IP tools that you can employ to help track down problems. We already mentioned ipconfig; here are the others:

  • PING: This tool tests the communications path between your system and another remote system. If a PING returns, you know the link is traversal and the remote system is online. If the PING times out, either the link is down or the remote system is offline.

  • TRACERT: This tool reveals the hops (systems encountered ) between your system and a remote system. The results inform you whether your trace route packets are getting through and at what system a failure is occurring.

  • ROUTE: This tool is used to view and modify the routing table of a multihomed system.

  • NETSTAT: This tool displays information about the status of the current TCP/IP connections.

  • NSLOOKUP: This tool displays DNS information that helps you manage and troubleshoot your DNS server.

  • TELNET: This tool is used to establish a text-based terminal emulation with a remote system. Telnet gives you access to a remote system as if you were sitting at its keyboard. Windows Server 2003 does not include an inbound Telnet server.

Complete details on these tools are included in the Windows 2003 help files, the Windows Server 2003 Resource Kit, and TechNet.

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Windows Server 2003 for Dummies
Windows Server 2003 for Dummies
ISBN: 0764516337
EAN: 2147483647
Year: 2003
Pages: 195

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