[ntp:questions] Failure modes on Windows Server 2008 R2 64-bit
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Null at BlackList.Anitech-Systems.invalid
Wed Aug 14 22:40:53 UTC 2013
Charles Swiger wrote:
> I wonder how many of the Windows users do anything
> with ntpd which needs crypto?
I use ntpd with MD5 symmetric keys for manycast
on all clients / servers.
keys "/etc/ntp.keys" # e.g. contains: 123 M LAN_MD5_KEY , 321 M Corp_MD5_KEY , ...
trustedkey 123 321
tos cohort 1 orphan 10
restrict source nomodify
manycastclient 220.127.116.11 key 123 preempt
As you can see, its trivial to setup, and I find it makes
adding and removing clients / servers trivial on the LAN.
No matter what other refclocks any given client / server
may or may not have; they end up picking the best of what
If LAN and internet based Stratum One &/or Two Servers
become unavailable, they follow each other around,
until better sources are available again; they they
automatically switch back to following the S1 &/or S2
Add GPS RefClock to any NTP Client / Server,
anywhere on the LAN, it will be discovered and used,
no configuration changes needed in all the other NTP
Clients / Servers on the LAN.
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