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J-Web Traceroute Results and Output Summary

 

Table 1 summarizes the output in the traceroute display.

Table 1: J-Web Traceroute Results and Output Summary

Field

Description

hop-number

Number of the hop (device) along the path.

host

Hostname, if available, or IP address of the device. If the Don't Resolve Addresses check box is selected, the hostname does not appear.

ip-address

IP address of the device.

as-number

AS number of the device.

time1

Round-trip time between the sending of the first traceroute packet and the receiving of the corresponding Time Exceeded packet from that particular device.

time2

Round-trip time between the sending of the second traceroute packet and the receiving of the corresponding Time Exceeded packet from that particular device.

time3

Round-trip time between the sending of the third traceroute packet and the receiving of the corresponding Time Exceeded packet from that particular device.

If the device does not display the complete path to the destination host, one of the following explanations might apply:

  • The host is not operational.

  • There are network connectivity problems between the device and the host.

  • The host, or a router along the path, might be configured to ignore ICMP traceroute messages.

  • The host, or a device along the path, might be configured with a firewall filter that blocks ICMP traceroute requests or ICMP time exceeded responses.

  • The value you selected in the Time Exceeded box was less than the number of hops in the path to the host. In this case, the host might reply with an ICMP error message.