We need "ntp trusted-key" in the NTP client: Without it:
Cat1#sh ntp status Clock is unsynchronized, stratum 16, no reference clock Cat1#sh ntp associations detail 40.40.40.5 configured, authenticated, insane, invalid, stratum 8 With "ntp trusted-key 10" in Cat1: Cat1#sh ntp status Clock is synchronized, stratum 9, reference is 40.40.40.5 Cat1#sh ntp associations detail 40.40.40.5 configured, authenticated, our_master, sane, valid, stratum 8 Regards, Antonio Soares, CCIE #18473 (R&S) [email protected]
