---
name: "toobigsniff6"
section: "8"
platform: "linux"
package: "thc-ipv6"
version: "3.8-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/toobigsniff6"
---

# toobigsniff6(8)

## NAME

**toobigsniff6**

## SYNOPSIS

toobigsniff6 \[-c\] interface target mtu

Sniff for packte from target and send an ICMPv6 too big error message based on that packet with the MTU specified. If you supply a '\*' as-address, any global traffic sniffed will be used. If you supply the option -c the tool will not quit upon first packet match, but continue running and send packets until aborted.

## 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

toobigsniff6 3.8 (c) 2020 by van Hauser / THC \<vh@thc.org\> www.github.com/vanhauser-thc/thc-ipv6