R3#sh run | i ntp
ntp authentication-key 1 md5 0722387847041C 7
ntp clock-period 17208079
ntp server 180.40.7.98 key 1
R3#
RACK13AS>4
[Resuming connection 4 to r4 ... ]

R4#sh run | i ntp
ntp authentication-key 1 md5 04761232062C49 7
ntp clock-period 17179871
ntp server 192.10.32.254
R4#