---
name: "toobig6"
section: "8"
platform: "linux"
package: "thc-ipv6"
version: "3.8-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/toobig6"
---

# toobig6(8)

## NAME

**toobig6**

## SYNOPSIS

toobig6 \[-u\] interface target-ip existing-ip mtu \[hop-limit\]

Implants the specified mtu on the target. If the TTL of the target is not 64, then specify this as the last option. Option -u will send the TooBig without the spoofed ping6 from existing-ip.

## AUTHOR

thc-ipv6 was written by van Hauser \<vh@thc.org\> / THC

The homepage for this toolkit is: https://github.com/vanhauser-thc/thc-ipv6

## COPYRIGHT

toobig6 3.8 (c) 2020 by van Hauser / THC \<vh@thc.org\> www.github.com/vanhauser-thc/thc-ipv6