ENTERASYS-SNTP-CLIENT-MIB

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Organization: Enterasys Networks, Inc

Last Updated: 2003-11-06

Category: Protocol: SNTP/NTP, Vendor: Enterasys/Cabletron

Description: Enterasys Networks SNTP client MIB for configuring SNTP server addresses, operating mode, and time synchronization statistics.

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What Is ENTERASYS-SNTP-CLIENT-MIB?

ENTERASYS-SNTP-CLIENT-MIB is an Enterasys Networks vendor MIB, under the etsysModules enterprise branch, for configuring and monitoring the Simple Network Time Protocol client on Enterasys switches. It defines textual conventions for the supported operating modes (SntpClientOperModes: disabled/unicast/multicast/broadcast/anycast) and per-request outcome status (SntpClientUpdateStatus: success, requestTimedOut, badDateEncoded, versionNotSupported, serverUnsychronized), and organizes configuration/statistics under separate unicast, multicast, broadcast, and anycast branches, with etsysSntpClientUServerTable holding per-configured-server unicast settings and results. This exposes whether the device is successfully synchronizing its clock via SNTP and, if not, the specific failure reason, which matters since accurate device time underpins log correlation and certificate validation. It depends on the device's chosen SNTP operating mode configuration and complements standard time-related MIBs. It is deployed on Enterasys Networks switches wherever SNTP client synchronization is enabled, and network engineers reference the ENTERASYS-SNTP-CLIENT-MIB MIB when polling these clock-sync objects.

IPNetwork Monitor allows you to monitor SNMP objects defined in ENTERASYS-SNTP-CLIENT-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Enterasys (Extreme Networks) switches

Monitoring Examples

An operator polls the update-status object for entries in etsysSntpClientUServerTable to check whether recent SNTP requests to a configured server returned success; a server consistently reporting requestTimedOut or serverUnsychronized would indicate an unreachable or unsynchronized time source, risking clock drift on the switch.

What Can Be Monitored

SNTP client operating mode (unicast/multicast/broadcast/anycast)
per-server unicast SNTP configuration and last update status
SNTP request success/failure reason codes
clock synchronization status

Imported Objects

From ENTERASYS-MIB-NAMES

etsysModules

OBJECT-IDENTITY

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DateAndTime
RowStatus
TEXTUAL-CONVENTION

How to Use in IPNetwork Monitor

Example using etsysSntpClientMulticastCount OID:

Select an Enterasys (Extreme Networks) switch as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type etsysSntpClientMulticastCount into the Find box to locate it in the OID tree, then select it and click OK. The number of unsolicited multicast SNTP messages that have been received and processed by the SNTP client. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
etsysSntpClientMIB	1.3.6.1.4.1.5624.1.2.38			This MIB module defines a portion of the SNMP MIB under the Enterasys Networks enterprise OID pertaining to SNTP client configuration and statistical collection.
etsysSntpClientObjects	1.3.6.1.4.1.5624.1.2.38.1
etsysSntpClientDevice	1.3.6.1.4.1.5624.1.2.38.1.1
INT etsysSntpClientVersion	1.3.6.1.4.1.5624.1.2.38.1.1.1	INTEGER	read-only	The SNTP version this device supports. As specified in RFC 2030, higher versions are required to be backwards compatible with all lower versions with the exception of version 0.
SNT etsysSntpClientSupportedMode	1.3.6.1.4.1.5624.1.2.38.1.1.2	SntpClientOperModes	read-only	The SNTP client operational modes that this device supports.
SNT etsysSntpClientMode	1.3.6.1.4.1.5624.1.2.38.1.1.3	SntpClientOperModes	read-write	The current operational mode of the SNTP client. A SET of this object will cause the SNTP client to change operational modes. A SET request MUST have only 1 bit set since is not possible to operate in multiple modes simultaneously. SETs of this object are further limited to values supported by the device as specified by etsysSntpClientSupportedMode. Maintaining the value of this object across agent reboots is REQUIRED.
DAT etsysSntpClientLastUpdateTime	1.3.6.1.4.1.5624.1.2.38.1.1.4	DateAndTime	read-only	The local date and time that the SNTP client last updated the system time on the device since agent reboot. This time is updated for all non-disabled operational modes of the SNTP client. If the SNTP client has not updated the time then this object MUST return '00000000'H.
DAT etsysSntpClientLastAttemptTime	1.3.6.1.4.1.5624.1.2.38.1.1.5	DateAndTime	read-only	The local date and time of the last SNTP request or unsolicited SNTP message for this SNTP client since agent reboot. Essentially, this value is a timestamp for the etsysSntpClientLastAttemptStatus object. When the etsysSntpClientLastAttemptStatus has a value of success(2), this object's value should be equal to the value returned by etsysSntpClientLastUpdateTime. If no SNTP frames have been processed by the SNTP client then this value MUST return '00000000'H. This object is updated for all non-disabled operational modes of the SNTP client.
SNT etsysSntpClientLastAttemptStatus	1.3.6.1.4.1.5624.1.2.38.1.1.6	SntpClientUpdateStatus	read-only	The status of the last SNTP request or unsolicited SNTP message for this SNTP client since agent reboot. The status is updated for all non-disabled operational modes of the SNTP client.
etsysSntpClientUnicast	1.3.6.1.4.1.5624.1.2.38.1.2
U32 etsysSntpClientUnicastPollInterval	1.3.6.1.4.1.5624.1.2.38.1.2.1	Unsigned32	read-write	The number of seconds between successive SNTP request transmissions. This polling interval is used for directed SNTP requests in unicast(1) operational mode. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientUnicastPollTimeout	1.3.6.1.4.1.5624.1.2.38.1.2.2	Unsigned32	read-write	The number of seconds to wait for a response from a SNTP server before considering the attempt to have 'timed out'. This timeout is used for directed SNTP requests in unicast(1) operational mode. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientUnicastPollRetry	1.3.6.1.4.1.5624.1.2.38.1.2.3	Unsigned32	read-write	The number of times to retry a request to a SNTP server that has not successfully responded. This retry count is used for directed SNTP requests in unicast(1) operational mode. For example, assume this object has been SET to a value of 2. When the SNTP client queries a given server it will send 1 SNTP request frame. If that original attempt fails, the client will retry up to a maximum of 2 more times before giving up and attempting the next server. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientUServerMaxEntries	1.3.6.1.4.1.5624.1.2.38.1.2.4	Unsigned32	read-only	The maximum number of server entries that are allowed in the etsysSntpClientUServerTable.
G32 etsysSntpClientUServerCurrEntries	1.3.6.1.4.1.5624.1.2.38.1.2.5	Gauge32	read-only	The current number of server entries in the etsysSntpClientUServerTable.
etsysSntpClientUServerTable	1.3.6.1.4.1.5624.1.2.38.1.2.6		not-accessible	A table containing configuration and statistical information for unicast SNTP servers. Each server entry is represented by single conceptual row in this table.
etsysSntpClientUServerEntry	1.3.6.1.4.1.5624.1.2.38.1.2.6.1		not-accessible	Information for a particular unicast SNTP server.
IPt etsysSntpClientUServerAddrType	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.1	InetAddressType	not-accessible	This object specifies how etsysSntpClientUServerAddr is encoded. Support for all possible enumerations defined by InetAddressType is NOT REQUIRED.
IP etsysSntpClientUServerAddr	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.2	InetAddress	not-accessible	The encoded unicast IP address or hostname of a SNTP server. Unicast SNTP requests will be sent to this address. If this address is a DNS hostname, then that hostname SHOULD be resolved into an IP address each time a SNTP request is sent to it.
U32 etsysSntpClientUServerPrecedence	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.3	Unsigned32	read-create	The precedence that this server has in relation to its peers in the determining the sequence of servers that SNTP requests will be sent to. When the poll interval, as specified by etsysSntpClientUnicastPollInterval, expires the SNTP client on this device will send SNTP requests to the servers listed in this table. The client will continue sending requests to different servers until a successful response is received or all servers are exhausted. This object indicates the order in which to query the servers. A server entry with a precedence of 1 will be queried before a server with a precedence of 2, and so forth. If more than one server has the same precedence then the requesting order will follow the lexicographical ordering of the entries in this table.
DAT etsysSntpClientUServerLastUpdateTime	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.4	DateAndTime	read-only	The local date and time that the response from this server was used to update the system time on the device since agent reboot. If the SNTP client has not updated the time using a response from this server then this object MUST return '00000000'H.
DAT etsysSntpClientUServerLastAttemptTime	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.5	DateAndTime	read-only	The local date and time that this SNTP server was last queried since agent reboot. Essentially, this value is a timestamp for the etsysSntpClientUServerLastAttemptStatus object. If this server has not been queried then this object MUST return '00000000'H.
SNT etsysSntpClientUServerLastAttemptStatus	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.6	SntpClientUpdateStatus	read-only	The status of the last SNTP request to this server since agent reboot. If no requests have been made then this object should return 'other'.
C32 etsysSntpClientUServerNumRequests	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.7	Counter32	read-only	The number of SNTP requests made to this server since the last agent reboot. This includes retry attempts to the server.
C32 etsysSntpClientUServerNumFailedRequests	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.8	Counter32	read-only	The number of SNTP requests made to this server that did not result in a successful response since the last agent reboot. This includes retry attempts to the server.
ROW etsysSntpClientUServerStatus	1.3.6.1.4.1.5624.1.2.38.1.2.6.1.9	RowStatus	read-create	The row status of this conceptual row in the table. active - The server is available for use in SNTP client operations. Other writable leaves in this table MAY be modified while the row is in the active state. notInService - The entry is fully configured but is not available for use in SNTP client operations. Conceptual rows with this status MAY be deleted at the discretion of the agent, at which time it will be treated as if destroy(6) was SET to this object. createAndGo - This is the preferred mechanism for creating conceptual rows in this table. All writable leaves have default values so createAndGo will always transition a new entry to the active state. destroy - This will remove the conceptual row from the table and make it unavailable for SNTP client operations. This MUST also cause any persistent data related to this row to be removed from the system. Maintaining active(1) entries across agent reboots is REQUIRED.
etsysSntpClientMulticast	1.3.6.1.4.1.5624.1.2.38.1.3
U32 etsysSntpClientMulticastDelay	1.3.6.1.4.1.5624.1.2.38.1.3.1	Unsigned32	read-write	The number of microseconds it takes for an unsolicited SNTP multicast message to travel from the SNTP server to the SNTP client. This value is added to the time encoded in the SNTP message to derive the correct system time. Maintaining the value of this object across agent reboots is REQUIRED.
C32 etsysSntpClientMulticastCountEx	1.3.6.1.4.1.5624.1.2.38.1.3.2	Counter32	read-only	The number of unsolicited multicast SNTP messages that have been received and processed by the SNTP client. Unsolicited SNTP multicast frames will not be counted unless the SNTP agent is operating in multicast(2) mode, as specified by etsysSntpClientMode. Maintaining the value of this object across agent reboots is NOT RECOMMENDED.
etsysSntpClientBroadcast	1.3.6.1.4.1.5624.1.2.38.1.4
U32 etsysSntpClientBroadcastDelay	1.3.6.1.4.1.5624.1.2.38.1.4.1	Unsigned32	read-write	The number of microseconds it takes for an unsolicited SNTP broadcast message to travel from the SNTP server to the SNTP client. This value is added to the time encoded in the SNTP message to derive the correct time. Maintaining the value of this object across reboots is REQUIRED.
C32 etsysSntpClientBroadcastCount	1.3.6.1.4.1.5624.1.2.38.1.4.2	Counter32	read-only	The number of unsolicited broadcast SNTP messages that have been received and processed by the SNTP client. Unsolicited SNTP broadcast frames will not be counted unless the SNTP agent is operating in broadcast(3) mode, as specified by etsysSntpClientMode. Maintaining the value of this object across agent reboots is NOT RECOMMENDED.
etsysSntpClientAnycast	1.3.6.1.4.1.5624.1.2.38.1.5
U32 etsysSntpClientAnycastBindRequestInterval	1.3.6.1.4.1.5624.1.2.38.1.5.1	Unsigned32	read-write	The number of seconds between SNTP anycast bind requests. This polling interval is used when the SNTP client is in anycast(4) operational mode and it is not bound to a SNTP server. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientAnycastPollInterval	1.3.6.1.4.1.5624.1.2.38.1.5.2	Unsigned32	read-write	The number of seconds between SNTP request transmissions. This polling interval is used for directed SNTP requests in anycast(4) operational mode. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientAnycastPollTimeout	1.3.6.1.4.1.5624.1.2.38.1.5.3	Unsigned32	read-write	The number of seconds to wait for a response from a SNTP server before considering the unicast request attempt to have 'timed out'. This timeout is used for directed SNTP requests in anycast(4) operational mode. Maintaining the value of this object across agent reboots is REQUIRED.
U32 etsysSntpClientAnycastPollRetry	1.3.6.1.4.1.5624.1.2.38.1.5.4	Unsigned32	read-write	The number of times to retry a unicast request to a SNTP server that has not successfully responded. This retry count is used for directed SNTP requests in anycast(4) operational mode. For example, assume this object has been SET to a value of 2. When the SNTP client queries the bound server it will send 1 SNTP request frame. If that original attempt fails, the client will retry up to a maximum of 2 more times before giving up and unbinding from the server. Once the client becomes unbound it will start sending out anycast bind requests at an interval specified by etsysSntpClientAnycastBindRequestInterval. Maintaining the value of this object across agent reboots is REQUIRED.
IPt etsysSntpClientAnycastServerAddrType	1.3.6.1.4.1.5624.1.2.38.1.5.5	InetAddressType	read-only	This object specifies how etsysSntpClientAnycastServerAddr is encoded. If the SNTP client is not bound to a server this object MUST return unknown(0). Maintaining the value of this object across agent reboots is NOT RECOMMENDED. Support for all possible enumerations defined by InetAddressType is NOT REQUIRED.
IP etsysSntpClientAnycastServerAddr	1.3.6.1.4.1.5624.1.2.38.1.5.6	InetAddress	read-only	The encoded unicast IP address or hostname of the SNTP server that we are bound to in anycast mode. If the SNTP client is not bound to a server this object MUST return a zero-length string. Maintaining the value of this object across agent reboots is NOT RECOMMENDED.
C32 etsysSntpClientAnycastNumRequests	1.3.6.1.4.1.5624.1.2.38.1.5.7	Counter32	read-only	The number of anycast bind requests sent from this device since the last agent reboot.
C32 etsysSntpClientAnycastNumPollRequests	1.3.6.1.4.1.5624.1.2.38.1.5.8	Counter32	read-only	The number of unicast poll requests sent from this device while in anycast(4) operational mode since the last agent reboot. Unicast poll requests are only sent once the SNTP client has bound to a server. This includes retry attempts to the server.
etsysSntpClientConformance	1.3.6.1.4.1.5624.1.2.38.2
etsysSntpClientGroups	1.3.6.1.4.1.5624.1.2.38.2.1
etsysSntpClientDeviceGroup	1.3.6.1.4.1.5624.1.2.38.2.1.1			A collection of objects providing device level control of a SNTP client on Enterasys Network's devices.
etsysSntpClientUnicastGroup	1.3.6.1.4.1.5624.1.2.38.2.1.2			A collection of objects providing control and statistics for a SNTP client capable of operating in unicast mode.
etsysSntpClientMulticastGroup	1.3.6.1.4.1.5624.1.2.38.2.1.3			A collection of objects providing control and statistics for a SNTP client capable of operating in multicast mode.
etsysSntpClientBroadcastGroup	1.3.6.1.4.1.5624.1.2.38.2.1.4			A collection of objects providing control and statistics for a SNTP client capable of operating in broadcast mode.
etsysSntpClientAnycastGroup	1.3.6.1.4.1.5624.1.2.38.2.1.5			A collection of objects providing control and statistics for a SNTP client capable of operating in anycast mode.
etsysSntpClientCompliances	1.3.6.1.4.1.5624.1.2.38.2.2
etsysSntpClientCompliance	1.3.6.1.4.1.5624.1.2.38.2.2.1			The compliance statement for devices that support etsysSntpClientMIB.

RFC description

Configures SNTP client mode (unicast, multicast, broadcast) and collects time synchronization statistics on Enterasys network equipment.

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