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Special Edition Using Microsoft Active Directory by James Hudson, Sean Fullerton

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General IP Troubleshooting Tools

Although not specifically DNS tools, ping.exe and tracert.exe are invaluable tools for troubleshooting IP and name resolution.

ping.exe

ping simply tests whether you can get an ICMP echo request and echo reply from one host to another, as shown in Listing 10.8.

Code Listing 10.8. A General ping Reply
 C:\>ping gold.fis.local Pinging gold.fis.local [192.168.0.5] with 32 bytes of data: Reply from 192.168.0.5: bytes=32 time<10ms TTL=128 Reply from 192.168.0.5: bytes=32 time<10ms TTL=128 Reply from 192.168.0.5: bytes=32 time<10ms TTL=128 Reply from 192.168.0.5: bytes=32 time<10ms TTL=128 Ping statistics for 192.168.0.5: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round-trip times in milliseconds: ...

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