Task 10.2 - NTP order of configurations

helo,

it's my last weekend before the exam, i did mock5 last
monday,  task 10.2 makes me crazy,i
configured it correctly as SG says but get no points.

here below my configs, i left the rack with R3, R5, and SW2
unsynced because i can't figure out why, and the proctor gave me no
points of course.
i still did not understood why, the proctor told me that ntp order of configuration is important, i can't
find anything useful in my member's page docs

so can you please clarify me about the order of ntp configuration??
...even because the R6's clients were synced.



R6
access-list 2 permit 150.5.1.1

access-list 2 permit 150.5.2.2

access-list 2 permit 150.5.7.7

access-list 3 permit 54.5.2.254
ntp authentication-key 1 md5 032772382520 7

ntp authenticate

ntp trusted-key 1

ntp clock-period 17208098

ntp source Loopback0

ntp access-group peer 3

ntp access-group serve 2

ntp server 54.5.2.254 key 1

R4
access-list 2 permit 150.5.3.3

access-list 2 permit 150.5.5.5

access-list 2 permit 150.5.8.8

access-list 3 permit 192.10.5.254

access-list 3 permit 204.12.5.254
ntp authentication-key 1 md5 1531223F2705 7

ntp authenticate

ntp trusted-key 1

ntp clock-period 17208080

ntp access-group peer 3

ntp access-group serve 2

ntp server 192.10.5.254 key 1 prefer

ntp server 204.12.5.254 key 1

as you can see NTP Servers (R4 and R6) were configured almost exacly, but R6's clients were synced, R4's not. [:|]


thanks a lot
/R

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