vagrant/templates/commands/ssh_config/config.erb

Host <%= host_key %>
  HostName <%= ssh_host %>
  User <%= ssh_user %>
  Port <%= ssh_port %>
<% if ! verify_host_key || verify_host_key == :never -%>
  UserKnownHostsFile /dev/null
  StrictHostKeyChecking no
<% end -%>
  PasswordAuthentication no
<% if private_key_path -%>
<% private_key_path.each do |path| %>
<% if path.include?(" ") -%>
  IdentityFile "<%= path %>"
<% else -%>
  IdentityFile <%= path %>
<% end -%>
<% end -%>
<% end -%>
<% if keys_only -%>
  IdentitiesOnly yes
<% end -%>
<% if log_level -%>
  LogLevel <%= log_level %>
<% else -%>
  LogLevel FATAL
<% end -%>
<% if forward_agent -%>
  ForwardAgent yes
<% end -%>
<% if forward_x11 -%>
  ForwardX11 yes
<% end -%>
<% if proxy_command -%>
  ProxyCommand <%= proxy_command %>
<% end -%>