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TL-WA701ND 150Mbps Wireless N Access Point User Guide

host or gateway. You can use ping to test both numeric IP address or domain name. If

pinging the IP address is successful, but pinging the domain name is not, you might have

a name resolution problem. In this case, ensure that the domain name you are specifying

can be resolved by using Domain Name System (DNS) queries.

• Traceroute - This diagnostic tool determines the path taken to a given host by sending

Internet Control Message Protocol (ICMP) Echo Request messages with varying Time to

Live (TTL) values to the destination. Each gateway along the path is required to

decrement the TTL in an IP packet by at least 1 before forwarding it. Effectively, the TTL

is a maximum link counter. When the TTL on a packet reaches 0, the gateway is

expected to return an ICMP Time Exceeded response to your device. Traceroute

determines the path by sending the first Echo Request message with a TTL of 1 and

incrementing the TTL by 1 on each subsequent transmission until the target responds or

the maximum number of hops is reached. The maximum number of hops is 20 by default

and can be specified in the field "Traceroute Max TTL". The path is determined by

examining the ICMP Time Exceeded messages returned by intermediate gateways and

the Echo Reply message returned by the destination. However, some gateways do not

return Time Exceeded messages for packets with expired TTL values and are invisible to

the traceroute tool. In this case, a row of asterisks (*) is displayed for that hop.

IP Address - Enter the IP Address (such as 202.108.22.5) of the PC whose connection you wish

to diagnose.

Ping Count - Specifies the number of Echo Request messages sent. The default is 4.

Ping Packet Size - Specifies the number of data bytes to be sent. The default is 64.

Ping Timeout - Specifies the time to wait for a response in milliseconds. The default is 800.

Traceroute Max TTL - Set the maximum number of hops (max TTL to be reached) in the path to

Survey for the target (destination). The default is 20.

Click the Start button to start the diagnostic procedure.

The Diagnostic Results page displays the result of diagnosis.

If the result is similar to the following screen, the connectivity of the Internet is fine.

Figure 4-33 Diagnostic Results

)

Note:

1. Only one user can use this tool at one time.

2. Options “Number of Pings”, “Ping Size” and “Ping Timeout” are only available for Ping function.

Option “Tracert Hops” is available only for Tracert function.