anchor.diff:      NewSnmpVals = lists:keyreplace(managed_agents, 1, SnmpVals,
   				   {managed_agents, ManagedAgents}),
       ct_config:update_config(MgrAgentConfName, {snmp, NewSnmpVals}),
  -    setup_managed_agents(ManagedAgents).
  +    setup_managed_agents(MgrAgentConfName,ManagedAgents).
   
   %%% @spec register_usm_users(MgrAgentConfName, UsmUsers) ->  ok | {error, Reason}
   %%%
  
positive.code: %%%
  %%% @doc Issues a synchronous snmp get request. 
  get_values(Agent, Oids, MgrAgentConfName) ->
      [Uid, AgentIp, AgentUdpPort | _] = 
  	agent_conf(Agent, MgrAgentConfName),
      {ok, SnmpReply, _} =
  	snmpm:g(Uid, AgentIp, AgentUdpPort, Oids),
      SnmpReply.
  
  %%% @spec get_next_values(Agent, Oids, MgrAgentConfName) -> SnmpReply 
  
negative.code: 
      setup_usm_users(UsmUsers, EngineID),
      setup_users(Users),
      setup_managed_agents(MgrAgentConfName,Agents).
  
  %%%---------------------------------------------------------------------------
  setup_users(Users) ->
  