William Carlson schreef:
I contributed to the pool before when I had a colo server. I decided
to come back and am using my cisco router as the server. I configured
NTP as I have always done but the tracking software keeps seeing
problems(clock will go unsynchronized or drift). Has/is anyone running
a cisco router in the pool? I can port forward if needed but I was
hoping to get this working on the router.
At work we have Cisco routers with 12.3 and 12.4 IOS and I see the same
problems with NTP.
On two 1721 routers the time sometimes jumps by 500ms and then hunts
back to the correct value.
On a 3725 I don't see this jumping but sometimes it just decides that it
is unsynced.
Systems that log problems with single requests (like Windows 2000
configured with SNTP) log an error several times a week when they poll
the router at an unfortunate moment.
So, I think I have to agree with you that it is not very stable. Maybe
better in newer IOS or newer hardware, but I have read somewhere that
the Cisco NTP is derived from an old version-3 ntpd (then still named
xntpd) and it had similar quirks.
(we are not advertising the abovementioned routers in the pool, they are
just serving time on the LAN, obtained from a local system with DCF-77
receiver)
Rob
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