CISCO-NTP-MIB

CISCO-NTP-MIB Download

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This MIB module defines a MIB which provides mechanisms to monitor an NTP server. The MIB is derived from the Technical Report #Management of the NTP with SNMP# TR No. 98-09 authored by A.S. Sethi and Dave Mills in the University of Delaware.

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OID list for CISCO-NTP-MIB

cntpSysLeap
Two-bit code warning of an impending leap second to be inserted in the NTP timescale. This object can be set only when the cntpSysStratum has a value of 1.
cntpSysStratum
The stratum of the local clock. If the value is set to 1, i.e., this is a primary reference, then the Primary-Clock procedure described in Section 3.4.6, in RFC-1305 is invoked.
cntpSysPrecision
Signed integer indicating the precision of the system clock, in seconds to the nearest power of two. The value must be rounded to the next larger power of two; for instance, a 50-Hz (20 ms) or 60-Hz (16.67 ms) power-frequency clock would be assigned the ...
cntpSysRootDelay
A signed fixed-point number indicating the total round-trip delay in seconds, to the primary reference source at the root of the synchronization subnet.
cntpSysRootDispersion
The maximum error in seconds, relative to the primary reference source at the root of the synchronization subnet. Only positive values greater than zero are possible.
cntpSysRefId
The reference identifier of the local clock.
cntpSysRefTime
The local time when the local clock was last updated. If the local clock has never been synchronized, the value is zero.
cntpSysPoll
The interval at which the NTP server polls other NTP servers to synchronize its clock.
cntpSysPeer
The current synchronization source. This will contain the unique association identifier cntpPeersAssocId of the corresponding peer entry in the cntpPeersVarTable of the peer acting as the synchronization source. If there is no peer, the value will be 0.
cntpSysClock
The current local time. Local time is derived from the hardware clock of the particular machine and increments at intervals depending on the design used.
cntpSysSrvStatus
Current state of the NTP server with values coded as follows: 1: server status is unknown 2: server is not running 3: server is not synchronized to any time source 4: server is synchronized to its own local clock 5: server is synchronized to a local hardw ...
cntpPeersVarTable
This table provides information on the peers with which the local NTP server has associations. The peers are also NTP servers but running on different hosts.
cntpPeersVarEntry
Each peers' entry provides NTP information retrieved from a particular peer NTP server. Each peer is identified by a unique association identifier. Entries are automatically created when the user configures the NTP server to be associated with remote pee ...
cntpPeersAssocId
An integer value greater than 0 that uniquely identifies a peer with which the local NTP server is associated.
cntpPeersConfigured
This is a bit indicating that the association was created from configuration information and should not be de-associated even if the peer becomes unreachable.
cntpPeersPeerAddress
The IP address of the peer. When creating a new association, a value should be set either for this object or the corresponding instance of cntpPeersPeerName, before the row is made active.
cntpPeersPeerPort
The UDP port number on which the peer receives NTP messages.
cntpPeersHostAddress
The IP address of the local host. Multi-homing can be supported using this object.
cntpPeersHostPort
The UDP port number on which the local host receives NTP messages.
cntpPeersLeap
Two-bit code warning of an impending leap second to be inserted in the NTP timescale of the peer.
cntpPeersMode
The association mode of the NTP server, with values coded as follows, 0, unspecified 1, symmetric active - A host operating in this mode sends periodic messages regardless of the reachability state or stratum of its peer. By operating in this mode the ho ...
cntpPeersStratum
The stratum of the peer clock.
cntpPeersPeerPoll
The interval at which the peer polls the local host.
cntpPeersHostPoll
The interval at which the local host polls the peer.
cntpPeersPrecision
Signed integer indicating the precision of the peer clock, in seconds to the nearest power of two. The value must be rounded to the next larger power of two; for instance, a 50-Hz (20 ms) or 60-Hz (16.67 ms) power-frequency clock would be assigned the va ...
cntpPeersRootDelay
A signed fixed-point number indicating the total round-trip delay in seconds, from the peer to the primary reference source at the root of the synchronization subnet.
cntpPeersRootDispersion
The maximum error in seconds, of the peer clock relative to the primary reference source at the root of the synchronization subnet. Only positive values greater than zero are possible.
cntpPeersRefId
The reference identifier of the peer.
cntpPeersRefTime
The local time at the peer when its clock was last updated. If the peer clock has never been synchronized, the value is zero.
cntpPeersOrgTime
The local time at the peer, when its latest NTP message was sent. If the peer becomes unreachable the value is set to zero.
cntpPeersReceiveTime
The local time, when the latest NTP message from the peer arrived. If the peer becomes unreachable the value is set to zero.
cntpPeersTransmitTime
The local time at which the NTP message departed the sender.
cntpPeersUpdateTime
The local time, when the most recent NTP message was received from the peer that was used to calculate the skew dispersion. This represents only the 32-bit integer part of the NTPTimestamp.
cntpPeersReach
A shift register of used to determine the reachability status of the peer, with bits entering from the least significant (rightmost) end. A peer is considered reachable if at least one bit in this register is set to one i.e, if the value of this object i ...
cntpPeersTimer
The interval in seconds, between transmitted NTP messages from the local host to the peer.
cntpPeersOffset
The estimated offset of the peer clock relative to the local clock, in seconds. The host determines the value of this object using the NTP clock-filter algorithm.
cntpPeersDelay
The estimated round-trip delay of the peer clock relative to the local clock over the network path between them, in seconds. The host determines the value of this object using the NTP clock-filter algorithm.
cntpPeersDispersion
The estimated maximum error of the peer clock relative to the local clock over the network path between them, in seconds. The host determines the value of this object using the NTP clock-filter algorithm.
cntpPeersFilterValidEntries
The number of valid entries for a peer in the Filter Register Table. Since, the Filter Register Table is optional, this object will have a value 0 if the Filter Register Table is not implemented.
cntpPeersEntryStatus
The status object for this row. When a management station is creating a new row, it should set the value for cntpPeersPeerAddress at least, before the row can be made active(1).
cntpPeersUpdateTimeRev1
The local time, when the most recent NTP message was received from the peer that was used to calculate the skew dispersion. This represents only the 32-bit integer part of the NTPTimestamp.
cntpPeersPrefPeer
This object specifies whether this peer is the preferred one over the others. By default, when the value of this object is 'false', NTP chooses the peer with which to synchronize the time on the local system. If this object is set to 'true', NTP will choo ...
cntpPeersPeerType
Represents the type of the corresponding instance of cntpPeersPeerName object.
cntpPeersPeerName
The address of the peer. When creating a new association, a value must be set for either this object or the corresponding instance of cntpPeersPeerAddress object, before the row is made active.
cntpFilterRegisterTable
The following table contains NTP state variables used by the NTP clock filter and selection algorithms. This table depicts a shift register. Each stage in the shift register is a 3-tuple consisting of the measured clock offset, measured clock delay and m ...
cntpFilterRegisterEntry
Each entry corresponds to one stage of the shift register, i.e., one reading of the variables clock delay, clock offset and clock dispersion. Entries are automatically created whenever a peer is configured and deleted when the peer is removed.
cntpFilterIndex
An integer value in the specified range that is used to index into the table. The size of the table is fixed at 8. Each entry identifies a particular reading of the clock filter variables in the shift register. Entries are added starting at index 1. Th ...
cntpFilterPeersOffset
The offset of the peer clock relative to the local clock in seconds.
cntpFilterPeersDelay
Round-trip delay of the peer clock relative to the local clock over the network path between them, in seconds. This variable can take on both positive and negative values, depending on clock precision and skew-error accumulation.
cntpFilterPeersDispersion
The maximum error of the peer clock relative to the local clock over the network path between them, in seconds. Only positive values greater than zero are possible.
ciscoNtpSysGroup
The NTP system variables.
ciscoNtpPeersGroup
The NTP peer variables.
ciscoNtpFilterGroup
The NTP clock-filter variables.
ciscoNtpPeersGroupRev1
The NTP peer variables.
ciscoNtpPeerExtGroup
The extended set of NTP peer variable(s).
ciscoNtpPeersGroupRev2
The NTP peer variables.
ciscoNtpSysExtGroup
The extended set of NTP system variable(s).

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