Time synchronization Recommendations for NTP configuration For stratus.ncg.ingrid.pt use the INCD provided NTP servers: server ntp01.ncg.ingrid.pt server ntp02.ncg.ingrid.pt To use other NTP servers configure them as "peer" not "server" like: peer ntp02.oal.ul.pt peer ntp04.oal.ul.pt peer ntp01.fccn.pt peer ntp02.fccn.pt