---
name: "pcapinfo"
section: "1p"
platform: "linux"
package: "libnet-pcap-perl"
version: "0.21-2+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/pcapinfo"
---

# pcapinfo(1p)

Prints detailed information about the network devices

## NAME

pcapinfo - Prints detailed information about the network devices

## SYNOPSIS

```
    pcapinfo
```

## OPTIONS

None.

## DESCRIPTION

**pcapinfo** prints detailed information about the network devices  and Pcap library available on the current host. Here is an example:

```
    Host information
    ----------------
      Hostname      : fangorn.maddingue.net
      Aliases       : fangorn.local fangorn
      Pcap version  : libpcap version 0.8.3
    Devices information
    -------------------
    Device eth0 (default)
      Description       : No description available
      Link type         : Ethernet, no autonegotiation, 10baseT-HD, link ok
      Hardware address  : 00:0c:6e:0a:c3:ca
      Network address   : 10.0.1.51
      Network mask      : 255.255.255.0
      Flags             : up running broadcast multicast
    Device eth1
      Description       : No description available
      Link type         : Ethernet, no autonegotiation, 10baseT-HD, link ok
      Hardware address  : 00:26:54:0a:d8:4d
      Network address   : 192.168.1.51
      Network mask      : 255.255.255.0
      Flags             : up running broadcast multicast
```

The device marked as `"(default)"` is the one returned when calling  `Net::Pcap::lookupdev()`

Some information like the link type can only be gathered with administrative  privileges.

## AUTHOR

Sébastien Aperghis-Tramoni, \<sebastien@aperghis.net\>

## COPYRIGHT

Copyright (C) 2005, 2006, 2007, 2008, 2009 Sébastien Aperghis-Tramoni.  All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.