To add the address of a peer, that is to say, the address of a server running an
NTP service of the same stratum, make use of the
peer command in the
peer command takes the following form:
where address is an
IP unicast address or a
DNS resolvable name. The address must only be that of a system known to be a member of the same stratum. Peers should have at least one time source that is different to each other. Peers are normally systems under the same administrative control.