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SWITCHD(8) System Manager's Manual SWITCHD(8)

software-defined networking (SDN) sflow controller

switchd [
] [
-c cachesize
] [
-D macro=value
] [
-f file
] [
-t timeout

switchd is a controller for software-defined networking (SDN) and is compatible with the OpenFlow protocol.
The options are as follows:
Number of MAC addresses to cache. The default is 4096.
Set a macro to a value. Macros can be referenced in the configuration files.
Debug mode. Don't detach or become a daemon. This allows for easy monitoring of switchd.
Specifies the configuration file. The default is /etc/switchd.conf.
Check that the configuration is valid, but don't start the daemon.
Timeout in seconds for learned MAC addresses. The default is 240 seconds.
Verbose mode. Multiple -v options increase the verbosity.

Default configuration file.

switchd.conf(5), switchctl(8)

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.

The switchd program first appeared in OpenBSD 6.1.

The switchd program was written by Reyk Floeter <reyk@openbsd.org>.
November 29, 2016 OpenBSD-6.1