anchor.diff:        ]},
        {ipv6, [],
         [{group, get},
  -       {group, inform},
  -       {group, dual_ip}
  +       {group, inform}
         ]},
  +     {ipv4_ipv6, [],
  +      [{group, get},
  +       {group, inform}
  +      ]},
  +     %%
        {get, [],
         [erlang_agent_netsnmp_get]},
        {inform, [],
  -      [erlang_agent_netsnmp_inform]},
  -     {dual_ip, [],
  -      [erlang_agent_netsnmp_get,
  -       erlang_agent_netsnmp_inform]}
  +      [erlang_agent_netsnmp_inform]}
       ].
   
   init_per_suite(Config) ->
  
positive.code:     end,
      Config.
  
  find_executables([], Config) ->
      Config;
  find_executables([Exec | Execs], Config) ->
      ExecStr = atom_to_list(Exec),
      case os:find_executable(ExecStr) of
  	false ->
  	    find_sys_executables(
  	      Execs, Config, Exec, ExecStr,
  	      [["usr", "local", "sbin"],
  	       ["usr", "sbin"],
  	       ["sbin"]]);
  	Path ->
  	    find_executables(
  	      Execs,
  	      [{Exec, Path} | Config])
      end.
  
  find_sys_executables(_Execs, _Config, _Exec, ExecStr, []) ->
      {skip, ExecStr ++ " not found"};
  find_sys_executables(Execs, Config, Exec, ExecStr, [Dir | Dirs]) ->
      case os:find_executable(filename:join(["/" | Dir] ++ [ExecStr])) of
  	false ->
  	    find_sys_executables(Execs, Config, Exec, ExecStr, Dirs);
  	Path ->
  	    find_executables(
  	      Execs,
  	      [{Exec, Path} | Config])
      end.
  
  start_agent(Config) ->
  
negative.code: end_per_suite(_Config) ->
      ok.
  
  init_per_group(ipv4, Config) ->
      init_per_group_ip([inet], Config);
  init_per_group(ipv6, Config) ->
      init_per_group_ipv6([inet6], Config);
  init_per_group(ipv4_ipv6, Config) ->
      init_per_group_ipv6([inet, inet6], Config);
  %%
  init_per_group(get, Config) ->
      %% From Ubuntu package snmp
      find_executable(snmpget, Config);
  init_per_group(inform, Config) ->
      %% From Ubuntu package snmpd
      find_executable(snmptrapd, Config);
  %%
  init_per_group(_, Config) ->
      Config.
  
  init_per_group_ipv6(Families, Config) ->
      case ct:require(ipv6_hosts) of
  	ok ->
  	    init_per_group_ip(Families, Config);
  	_ ->
  	    {skip, "Host does not support IPV6"}
      end.
  
  init_per_group_ip(Families, Config) ->
      Dir = ?config(priv_dir, Config),
  