---
name: "macof"
section: "8"
platform: "linux"
package: "dsniff"
version: "2.4b1-34"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/macof"
---

# macof(8)

flood a switched LAN with random MAC addresses

## NAME

macof - flood a switched LAN with random MAC addresses

## SYNOPSIS

```

```

**macof** \[**-i** *interface*\] \[**-s** *src*\] \[**-d** *dst*\] \[**-e** *tha*\] \[**-x** *sport*\] \[**-y** *dport*\] \[**-n** *times*\]

## DESCRIPTION

**macof** floods the local network with random MAC addresses (causing some switches to fail open in repeating mode, facilitating sniffing). A straight C port of the original Perl Net::RawIP macof program by Ian Vitek \<ian.vitek@infosec.se\>.

## OPTIONS

- **-i** *interface*

  Specify the interface to send on.

- **-s** *src*

  Specify source IP address.

- **-d** *dst*

  Specify destination IP address.

- **-e** *tha*

  Specify target hardware address.

- **-x** *sport*

  Specify TCP source port.

- **-y** *dport*

  Specify TCP destination port.

- **-n** *times*

  Specify the number of packets to send.

Values for any options left unspecified will be generated randomly.

## SEE ALSO

[dsniff(8)](/dsniff/8.md)

## AUTHOR

```
Dug Song <dugsong@monkey.org>
```