[ntp:questions] 3 Peer server at same stratum

Richard B. gilbert rgilbert88 at comcast.net
Sat Mar 3 12:57:56 UTC 2007


castellani.riccardo at tiscali.it wrote:
> If I have 3 time servers (at same stratum) in my lan where each server
> is indipendent and has set several NTP servers of stratum 1; I 'd like
> creating redundancy so I think to insert peer option (using symmetric
> mode) in ntp.conf for all 3 servers.
> 
> A
> peer B
> peer C
> 
> B
> peer A
> peer C
> 
> C
> peer A
> peer B
> 
> I read documens about ntp but I have always some doubts.
> 
> 1 - which NTP server (among these 3) become active ?

All three!

> 2 - The others two go into passive mode ?

No!

> 3 - What logic permit to the NTP server of these 3 to be elected
> active ? 

All three are "active".   They share time information among themselves 
and any one of them can serve time to clients.
> 




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