From: thelieber@gmail.com
Date: Wed Dec 28 2005 - 20:39:29 GMT-3
I was going to post a question regarding setting up this mode, but figured it out before I started to write. For any who care...
--Router A (NTP Master)--
interface Ethernet1
ip address 192.168.1.254 255.255.255.0
media-type 10BaseT
ntp broadcast key 1
!
!
ntp authentication-key 1 md5 14141B180F0B 7
! Item Below is inserted automatically
ntp clock-period 17180134
! This router's public stratum 2 NTP Server
ntp server 198.49.126.4
--Router B (NTP Broadcast Client)
interface Ethernet0
ip address 192.168.1.2 255.255.255.0
ntp broadcast client
!
!
ntp authentication-key 1 md5 104D000A0618 7
ntp authenticate
ntp trusted-key 1
ntp clock-period 17179686
Below is the output from "show ntp associations detail." Important to note are the "authenticated", "sane", and "valid" properties.
r2#show ntp associations detail
192.168.1.254 dynamic, authenticated, our_master, sane, valid, stratum 3
ref ID 198.49.126.4, time C75D9E7B.5DA27867 (16:30:03.365 MST Wed Dec 28 2005)
our mode bdcast client, peer mode bdcast, our poll intvl 64, peer poll intvl 64
root delay 121.81 msec, root disp 641.19, reach 376, sync dist 721.451
delay 33.07 msec, offset 0.9853 msec, dispersion 2.82
precision 2**18, version 3
org time C75D9EA9.4C5184AE (16:30:49.298 MST Wed Dec 28 2005)
rcv time C75D9EA9.53A1F285 (16:30:49.326 MST Wed Dec 28 2005)
xmt time C75D9CB2.19D597CC (16:22:26.100 MST Wed Dec 28 2005)
filtdelay = 33.07 33.07 33.07 33.07 33.07 33.07 33.07 33.07
filtoffset = 0.99 1.00 1.66 2.78 6.42 15.93 41.16 -0.13
filterror = 0.99 1.97 2.94 3.92 4.90 5.87 6.85 7.69
Cheers,
Jordan
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