Rubens our routers at POP-RS didn't have this behavior. The results of the sh clock command are: alnitak>sh clock 00:03:4.345 GMT-3 Sat Jan 1 2000 bellatrix>sh clock 00:04.40.527 GMT-3 Sat Jan 1 2000 Fernando Krahe POP-RS Rede Tche/RNP/UFRGS