NAME

switchd — software-defined networking (SDN) sflow controller

SYNOPSIS

DESCRIPTION

switchd is a controller for software-defined networking (SDN) and is compatible with the OpenFlow protocol.

The options are as follows:

-c cachesize

Number of MAC addresses to cache. The default is 4096.

-D macro=value

Set a macro to a value. Macros can be referenced in the configuration files.

-d

Debug mode. Don't detach or become a daemon. This allows for easy monitoring of switchd.

-f file

Specifies the configuration file. The default is /etc/switchd.conf.

-n

Check that the configuration is valid, but don't start the daemon.

-t timeout

Timeout in seconds for learned MAC addresses. The default is 240 seconds.

-v

Verbose mode. Multiple -v options increase the verbosity.

FILES

/etc/switchd.conf

Default configuration file.

SEE ALSO

switchd.conf(5), switchctl(8)

STANDARDS

Open Networking Foundation (ONF), OpenFlow Switch Specification, Version 1.0.0 (Wire Protocol 0x01), December 31, 2009.

Open Networking Foundation (ONF), OpenFlow Switch Specification, Version 1.3.5 (Protocol version 0x04), March 26, 2015.

HISTORY

The switchd program first appeared in OpenBSD 6.1.

AUTHORS

The switchd program was written by Reyk Floeter <reyk@openbsd.org>.