tldr/pages/linux/tracepath.md

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# tracepath
> Trace the path to a network host discovering MTU along this path.
> More information: <https://manned.org/tracepath>.
- A preferred way to trace the path to a host:
`tracepath -p {{33434}} {{host}}`
- Specify the initial destination port, useful with non-standard firewall settings:
`tracepath -p {{destination_port}} {{host}}`
- Print both hostnames and numerical IP addresses:
`tracepath -b {{host}}`
- Specify a maximum TTL (number of hops):
`tracepath -m {{max_hops}} {{host}}`
- Specify the initial packet length (defaults to 65535 for IPv4 and 128000 for IPv6):
`tracepath -l {{packet_length}} {{host}}`
- Use only IPv6 addresses:
`tracepath -6 {{host}}`