open-consul/website/source/docs/commands/version.html.md

layout	page_title	sidebar_current	description
docs	Commands: Version	docs-commands-version	The `version` command prints the version of Consul and the protocol versions it understands for speaking to other agents.

Consul Version

Command: consul version

The version command prints the version of Consul and the protocol versions it understands for speaking to other agents.

$ consul version
Consul v0.7.4
Protocol 2 spoken by default, understands 2 to 3 (agent will automatically use protocol >2 when speaking to compatible agents)