JUNIPER-RSVP-MIB

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Organization: Juniper Networks, Inc.

Last Updated: 2007--0-6-

Category: Protocol: MPLS, Vendor: Juniper

Description: Juniper Networks MIB for managing Resource Reservation Protocol (RSVP) sessions and path states on Juniper MPLS networks.

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What Is JUNIPER-RSVP-MIB?

JUNIPER-RSVP-MIB is a Juniper Networks enterprise MIB that models Resource ReSerVation Protocol (RSVP) sessions supporting MPLS label-switched paths on Juniper routers. Its central jnxRsvpSessionTable, indexed by jnxRsvpSessionName and a secondary jnxRsvpSessionIndex (to disambiguate multiple entries sharing the same LSP name), exposes session-level state via jnxRsvpSessionState (up/down), endpoint addresses jnxRsvpSessionFrom/jnxRsvpSessionTo, path identifiers jnxRsvpSessionLspId and jnxRsvpSessionTunnelId that correlate to the MPLS-LSR-MIB's mplsLspEntry, jnxRsvpSessionPathType (primary/secondary/unknown) for path role, and jnxRsvpSessionRole (ingress/transit/egress) identifying this router's position along the path. It also tracks forwarded traffic volume through jnxRsvpSessionMplsOctets and jnxRsvpSessionMplsPackets, both Counter64 values that are only populated when MPLS statistics gathering is enabled and are subject to a multi-minute reporting delay, alongside a jnxRsvpSessionDiscontinuityTime marking counter resets. It depends on JUNIPER-SMI for its registration point and is explicitly designed to be cross-referenced with the standard MPLS LSP MIB rather than duplicating LSP configuration itself. It is deployed on Juniper MPLS-capable routers acting as any point along an RSVP-signaled LSP, and administrators can download the JUNIPER-RSVP-MIB file to load it into their MIB browser alongside the standard MPLS LSP MIB.

IPNetwork Monitor allows you to monitor SNMP objects defined in JUNIPER-RSVP-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

Juniper Networks MPLS-capable routers

Monitoring Examples

An operator polls jnxRsvpSessionState for a session identified by jnxRsvpSessionName and jnxRsvpSessionIndex to confirm an RSVP-signaled LSP is up, then checks jnxRsvpSessionMplsOctets/jnxRsvpSessionMplsPackets to verify traffic is actually flowing; a session reporting state up but with MPLS packet counters flat or not incrementing would indicate a signaling-only path with no forwarded traffic, or that statistics gathering is disabled.

What Can Be Monitored

RSVP session operational state (up/down)
session source/destination addresses
LSP ID and tunnel ID correlation to MPLS LSP MIB
path type (primary/secondary) and router role (ingress/transit/egress)
forwarded MPLS octet/packet counters
counter discontinuity timestamp

Imported Objects

From JUNIPER-SMI

jnxMibs

OBJECT-IDENTITY

From SNMPv2-SMI

Counter64
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
TimeStamp

How to Use in IPNetwork Monitor

Example using jnxRsvpSessionMplsOctets OID:

Select a Juniper Networks MPLS-capable router (RSVP session monitoring) 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 jnxRsvpSessionMplsOctets 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 MPLS octets that have been forwarded over this RSVP Session. 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
jnxRsvpMIB	1.3.6.1.4.1.2636.3.30			The MIB modules for Resource ReSerVation Protocol.
jnxRsvpOperation	1.3.6.1.4.1.2636.3.30.1
jnxRsvpSessionTable	1.3.6.1.4.1.2636.3.30.1.1		not-accessible	Defines the jnxRsvpSession Table for RSVP Sessions.
jnxRsvpSessionEntry	1.3.6.1.4.1.2636.3.30.1.1.1		not-accessible	Defines an entry in the jnxRsvpSessionTable. The first index element jnxRsvpSessionName is similar to the LSP name in the MPLS MIB and can be used to co-relate the mplsLspEntry to an RSVP session entry. There could be multiple entries with the same jnxRsvpSessionName and hence the need for a secondary index which is just an Unsigned32 to identify each of them uniquely. A management application may walk through all entries with the same jnxRsvpSessionName and based on the other RSVP session information in each entry, such as jnxRsvpSessionFrom and/or jnxRsvpSessionTo may decide to query a particular RSVP session.
STR jnxRsvpSessionName	1.3.6.1.4.1.2636.3.30.1.1.1.1	DisplayString	not-accessible	Name of the RSVP Session. This is the same as LSP name.
U32 jnxRsvpSessionIndex	1.3.6.1.4.1.2636.3.30.1.1.1.2	Unsigned32	not-accessible	RSVP Session index.
INT jnxRsvpSessionState	1.3.6.1.4.1.2636.3.30.1.1.1.3	INTEGER	read-only	The operational state of the RSVP Session.
IP jnxRsvpSessionFrom	1.3.6.1.4.1.2636.3.30.1.1.1.4	IpAddress	read-only	Source IP address of this RSVP session.
IP jnxRsvpSessionTo	1.3.6.1.4.1.2636.3.30.1.1.1.5	IpAddress	read-only	Destination IP address of this RSVP session.
U32 jnxRsvpSessionLspId	1.3.6.1.4.1.2636.3.30.1.1.1.6	Unsigned32	read-only	LSP ID of the sender for this RSVP session.
U32 jnxRsvpSessionTunnelId	1.3.6.1.4.1.2636.3.30.1.1.1.7	Unsigned32	read-only	Tunnel ID for the RSVP session.
INT jnxRsvpSessionPathType	1.3.6.1.4.1.2636.3.30.1.1.1.8	INTEGER	read-only	If the head-end router signals the type of path corresponding to an RSVP session; viz. primary or secondary path, then this information can be used on other routers as well to associate RSVP session information to an MPLS path of an LSP (tunnel).
INT jnxRsvpSessionRole	1.3.6.1.4.1.2636.3.30.1.1.1.9	INTEGER	read-only	This value signifies the role of an RSVP session with respect to the start and end points of the session. This value MUST be set to ingress(1) at the head-end (source) of this session. This value MUST be set to egress(3) at the tail-end (destination) of the RSVP session. This value MUST be set to transit(2) on any other intermediate nodes that this RSVP session exists on.
TIM jnxRsvpSessionDiscontinuityTime	1.3.6.1.4.1.2636.3.30.1.1.1.10	TimeStamp	read-only	The value of sysUpTime on the most recent occasion at which any one or more of this RSVP Session's counters suffered a discontinuity. The relevant counters are jnxRsvpSessionMplsOctets and jnxRsvpSessionMplsPackets. If no such discontinuities have occurred since the last re-initialization of the local management subsystem, then then this object contains a zero value.
C64 jnxRsvpSessionMplsOctetsEx	1.3.6.1.4.1.2636.3.30.1.1.1.11	Counter64	read-only	The number of MPLS octets that have been forwarded over this RSVP Session. The number reported is not realtime, may subject to several minutes delay. The delay is controllable by mpls statistics gathering interval, which by default is once every 5 minutes. If mpls statistics gathering is not enabled, this number will not increment. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of jnxRsvpSessionDiscontinuityTime.
C64 jnxRsvpSessionMplsPackets	1.3.6.1.4.1.2636.3.30.1.1.1.12	Counter64	read-only	The number of MPLS packets that have been forwarded over this RSVP Session. The number reported is not realtime, may subject to several minutes delay. The delay is controllable by mpls statistics gathering interval, which by default is once every 5 minutes. If mpls statistics gathering is not enabled, this number will not increment. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of jnxRsvpSessionDiscontinuityTime.

RFC description

Juniper vendor-private MIB for RSVP (Resource Reservation Protocol) configuration and monitoring on Juniper routing platforms.

Start monitoring Juniper Networks MPLS-capable router (RSVP session monitoring) 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.

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