On Mon, 2009-05-25 at 16:57 +0200, carlopmart wrote: <snip> > I have find a temporary solution: reduce the MTU on CentOS server (1440) ...I > need to investigate why centOS loses some packages and ubuntu doesn't .... --- What happens when you set the MTU for the type of Net Link you have? That goes for the switches and Routers also. Are the Links Auto Negotiated? JohnStanley