anchor.diff:  all() -> 
       [
        {group, ipv4},
  -     {group, ipv6}
  +     {group, ipv6},
  +     {group, ipv4_ipv6}
       ].
   
   groups() ->
  
positive.code:       ]},
       {ipv6, [],
        [{group, get},
         {group, inform},
         {group, dual_ip}
        ]},
       {get, [],
        [erlang_agent_netsnmp_get]},
       {inform, [],
        [erlang_agent_netsnmp_inform]},
       {dual_ip, [],
        [erlang_agent_netsnmp_get,
         erlang_agent_netsnmp_inform]}
      ].
  
  init_per_suite(Config) ->
  
negative.code:     end,
      Config.
  
  find_executable(Exec, Config) ->
      ExecStr = atom_to_list(Exec),
      case os:find_executable(ExecStr) of
  	false ->
  	    %% The sbin dirs are not in the PATH on all platforms...
  	    find_sys_executable(
  	      Exec, ExecStr,
  	      [["usr", "local", "sbin"],
  	       ["usr", "sbin"],
  	       ["sbin"]],
  	     Config);
  	Path ->
  	    [{Exec, Path} | Config]
      end.
  
  find_sys_executable(_Exec, ExecStr, [], _Config) ->
      {skip, ExecStr ++ " not found"};
  find_sys_executable(Exec, ExecStr, [Dir | Dirs], Config) ->
      case os:find_executable(filename:join(["/" | Dir] ++ [ExecStr])) of
  	false ->
  	    find_sys_executable(Exec, ExecStr, Dirs, Config);
  	Path ->
  	    [{Exec, Path} | Config]
      end.
  
  start_agent(Config) ->
  