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Using Windows online diagnostic tools
2. At the Command prompt, type ping <destination IP address> (for example, ping
3. Press Enter.
4. Type Exit to exit the Command Prompt window and return to Windows.
The tracert command
This utility determines the route taken to a destination.
How tracert works
The tracert utility follows several steps to complete its task:
• Tracert sends Internet Control Message Protocol (ICMP) echo packets with varying Time-
To-Live (TTL) values to the destination.
• Each router along the path must decrement the TTL on a packet by at least one before
forwarding it, so the TTL is effectively a hop count.
• When the TTL on a packet reaches zero, the router sends back an ICMP Time Exceeded
message to the source system.
• Tracert determines the route by sending the first echo packet with a TTL of one, and
incrementing the TTL by one on each subsequent transmission until the target responds,
or the maximum TTL is reached.
• Tracert then examines the ICMP Time Exceeded messages sent back by intermediate
routers.
Tracert syntax
The tracert command uses the following syntax:
tracert [-d] [-h maximum_hops] [-j host_list] [-w timeout]
target_name
42
Avaya CallPilot® 703t Server Maintenance and Diagnostics
Result: The Command Prompt window appears.
200.286.32.0), or ping <computer name>.
Result: The system displays the ping results.
December 2010
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