TIMETRA-SAS-MPOINT-MGMT-MIB

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Organization: Alcatel-Lucent

Last Updated: 2010-05-10

Description: TIMETRA-SAS-MPOINT-MGMT-MIB module

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What Is TIMETRA-SAS-MPOINT-MGMT-MIB?

TIMETRA-SAS-MPOINT-MGMT-MIB is part of Nokia/Alcatel-Lucent's TIMETRA enterprise MIB family for the 7210 SAS service aggregation switch, managing ingress multipoint (multipoint Ethernet service) bandwidth policies. It exposes tSASMpBwPlcyTable with an aggregate ingress rate per policy plus a nested tSASMpBwPlcyQueueTable defining per-queue committed and maximum buffer sizes (CBS/MBS). It is used to monitor QoS configuration and buffer-provisioning status rather than raw traffic: tSASMpBwPlcyLastChanged flags recent policy edits, and reviewing tSASMpBwPlcyQueueMbs against observed traffic bursts reveals under-provisioned buffers that would cause packet drops during multipoint congestion. It builds on general DiffServ/QoS queue-management concepts within the TIMETRA MIB tree rather than a separate IETF standard. It is deployed on 7210 SAS access/aggregation switches carrying multipoint Ethernet services with ingress rate limiting. Engineers can download the TIMETRA-SAS-MPOINT-MGMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TIMETRA-SAS-MPOINT-MGMT-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

Nokia/Alcatel-Lucent 7210 SAS service aggregation switch

Monitoring Examples

An admin would poll tSASMpBwPlcyTable and check tSASMpBwPlcyIngrAggrRate against actual measured ingress traffic to see if a multipoint bandwidth policy is close to its configured ceiling. tSASMpBwPlcyQueueTable entries (tSASMpBwPlcyCbs/Mbs per queue) would be reviewed after a recent tSASMpBwPlcyLastChanged update to confirm buffer sizes weren't reduced enough to cause drops during bursty multipoint traffic. tSASMpBwPlcyDescription and tSASMpBwPlcyRowStatus would be checked to confirm the intended policy is active.

What Can Be Monitored

ingress aggregate rate policy
committed buffer size (CBS)
maximum buffer size (MBS)
policy row status
policy last-changed time

Imported Objects

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter64
Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TimeStamp

From TIMETRA-SAS-GLOBAL-MIB

timetraSASConfs	OBJECT-IDENTITY
timetraSASModules	OBJECT-IDENTITY
timetraSASNotifyPrefix	OBJECT-IDENTITY
timetraSASObjs	OBJECT-IDENTITY

From TIMETRA-SAS-QOS-MIB

TAdaptationRule
TBurstSize

From TIMETRA-TC-MIB

TItemDescription
TNamedItem

How to Use in IPNetwork Monitor

Example using tSASMpBwPlcyQueStatsFwdPkts OID:

Select a Nokia/Alcatel-Lucent 7210 SAS service aggregation switch (ingress multipoint bandwidth/queue-buffer config status) 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 tSASMpBwPlcyQueStatsFwdPkts into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The number of forwarded packets on this Queue. 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 Counter64-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
timetraSASMpointMgmtMIBModule	1.3.6.1.4.1.6527.6.2.1.1.54			This is the SNMP MIB module for ingress multipoint management policy on Alcatel 7xx0 equipment. Copyright 2008-2011 Alcatel-Lucent. All rights reserved. Reproduction of this document is authorized on the condition that the foregoing copyright notice is included. This SNMP MIB module (Specification) embodies Alcatel's proprietary intellectual property. Alcatel retains all title and ownership in the Specification, including any revisions. Alcatel grants all interested parties a non-exclusive license to use and distribute an unmodified copy of this Specification in connection with management of Alcatel products, and without fee, provided this copyright notice and license appear on all copies. This Specification is supplied 'as is', and Alcatel makes no warranty, either express or implied, as to the use, operation, condition, or performance of the Specification.
tSASMpConformance	1.3.6.1.4.1.6527.6.2.2.1.54
tSASMpCompliances	1.3.6.1.4.1.6527.6.2.2.1.54.1
tSASMp7210V1v0Compliance	1.3.6.1.4.1.6527.6.2.2.1.54.1.1			The compliance statement for revision 1.0 of TIMETRA-SAS-MPOINT-MGMT-MIB.
tSASMpGroups	1.3.6.1.4.1.6527.6.2.2.1.54.2
tSASMpGlobalGroup	1.3.6.1.4.1.6527.6.2.2.1.54.2.1			SAS group obkects definition.
tSASMpObjects	1.3.6.1.4.1.6527.6.2.2.2.54
tSASMpGlobalObjs	1.3.6.1.4.1.6527.6.2.2.2.54.1
tSASMpBwPlcyTable	1.3.6.1.4.1.6527.6.2.2.2.54.1.1		not-accessible	The tSASMpBwPlcyTable has an entry for each multipoint bandwidth policy configured on this system.
tSASMpBwPlcyEntry	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1		not-accessible	Each row entry represents a particular multipoint bandwidth policy. Entries are created/deleted by the user.
TNA tSASMpBwPlcyName	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1.1	TNamedItem	not-accessible	The value of tSASMpBwPlcyName indicates the name of the multicast bandwidth policy.
ROW tSASMpBwPlcyRowStatus	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1.2	RowStatus	read-create	The value of tSASMpBwPlcyRowStatus is used for creation/deletion of multicast bandwidth policies.
TIM tSASMpBwPlcyLastChanged	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1.3	TimeStamp	read-only	The value of tSASMpBwPlcyLastChanged indicates the timestamp of last change to this row in tSASMpBwPlcyTable.
TIT tSASMpBwPlcyDescription	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1.4	TItemDescription	read-create	The value of tSASMpBwPlcyDescription specifies the textual description of this multicast bandwidth policy.
I32 tSASMpBwPlcyIngrAggrRate	1.3.6.1.4.1.6527.6.2.2.2.54.1.1.1.5	Integer32	read-create	The value of tSASMpBwPlcyIngrAggrRate specifies the aggregate rate of multipoint traffic that will be admitted in the ingress that will be replicated.
tSASMpBwPlcyQueueTable	1.3.6.1.4.1.6527.6.2.2.2.54.1.2		not-accessible	Bandwidth Queue Params Table
tSASMpBwPlcyQueueEntry	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1		not-accessible	Bandwidth Queue Params for SAS platform.
TSA tSASMpBwPlcyQueueId	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.1	TSASMpQueueIdTc	not-accessible	The value of tSASMpBwPlcyQueueId specifies the queue number.
TBU tSASMpBwPlcyCbs	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.2	TBurstSize	read-create	The amount of reserved buffer space (in kilo bytes) for the queue.
INT tSASMpBwPlcyMbs	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.3	INTEGER	read-create	The maximum amount of buffer space (in kilo bytes) allowed for the queue.
U32 tSASMpBwPlcyCir	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.4	Unsigned32	read-create	The value of tSASMpBwPlcyCir overrides the default CIR for each individual queue.
U32 tSASMpBwPlcyPir	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.5	Unsigned32	read-create	The value of tSASMpBwPlcyPir overrides the default PIR for each individual queue.
TAD tSASMpBwPlcyCirAdaptation	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.6	TAdaptationRule	read-create	The adaptation rule to be used while computing the operational CIR value. The adaptation rule specifies the rules to compute the operational values while maintaining minimum offset.
TAD tSASMpBwPlcyPirAdaptation	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.7	TAdaptationRule	read-create	The adaptation rule to be used while computing the operational PIR value. The adaptation rule specifies the rules to compute the operational values while maintaining minimum offset.
TNA tSASMpBwPlcyQueMgmtPlcy	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.8	TNamedItem	read-create	Queue Management Policy to be attached.
C64 tSASMpBwPlcyQueStatsFwdPktsEx	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.9	Counter64	read-only	The number of forwarded packets on this Queue
C64 tSASMpBwPlcyQueStatsFwdOcts	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.10	Counter64	read-only	The number of forwarded bytes on this Queue
C64 tSASMpBwPlcyQueStatsDroPkts	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.11	Counter64	read-only	The number of dropped packets on this Queue
C64 tSASMpBwPlcyQueStatsDroOcts	1.3.6.1.4.1.6527.6.2.2.2.54.1.2.1.12	Counter64	read-only	The number of dropped bytes on this Queue
tSASMpNotifyObjs	1.3.6.1.4.1.6527.6.2.2.2.54.2
tSASMpNotifyPrefix	1.3.6.1.4.1.6527.6.2.2.3.54
tSASMpNotifications	1.3.6.1.4.1.6527.6.2.2.3.54.0

RFC description

Manages ingress multipoint management policies on Alcatel 7xx0 SROS systems.

Start monitoring Nokia/Alcatel-Lucent 7210 SAS service aggregation switch (ingress multipoint bandwidth/queue-buffer config status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download TIMETRA-SAS-MPOINT-MGMT-MIB