Diagnostics > Traceroute - Transition Networks SM TAT4X Series Web User Manual

Transition Networks
Diagnostics > Traceroute
This page lets you issue ICMP, TCP, or UDP packets to diagnose network connectivity issues.
IP Address: The destination IP Address.
Wait Time (1~60): Set the time (in seconds) to wait for a response to a probe (default 5.0 sec). Values range from
1 to 60. The payload size of the ICMP packet. Values range from 2 bytes to 1452 bytes.
Max TTL (1~255): Specifies the maximum number of hops (max time‐to‐live value) traceroute will probe. Values
range from 1 to 255. The default is 30.
Probe Count (1~10): Sets the number of probe packets per hop. Values range from 1 to 10. The default is 3.
Buttons
Start: Click to start transmitting ICMP packets.
New Traceroute: Click to re‐start diagnostics with PING.
After you press Start, Traceroute sends packets with gradually increasing TTL value, starting with TTL value of 1.
The first router receives the packet, decrements the TTL value and drops the packet because it then has TTL value
zero. The router sends an ICMP Time Exceeded message back to the source. The next set of packets are given a
TTL value of 2, so the first router forwards the packets, but the second router drops them and replies with ICMP
Time Exceeded. Proceeding in this way, traceroute uses the returned ICMP Time Exceeded messages to build a
list of routers that packets traverse, until the destination is reached and returns an ICMP Echo Reply message.
Example
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