PAIRGAIN-IISP-MIB

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Organization: Pairgain Technologies Inc.

Last Updated: 2000-02-02

Category: DSL

Description: Manages IISP (Interim Inter-switch Signaling Protocol) ATM signaling configuration on PairGain Technologies equipment.

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What Is PAIRGAIN-IISP-MIB?

PAIRGAIN-IISP-MIB is a vendor-specific SNMP module from PairGain Technologies for monitoring and controlling Interim Inter-Switch Signaling Protocol (IISP) routing used in ATM network signaling. It exposes a route address table describing configured ATM address prefixes, their associated interface, administrative and operational status, and row lifecycle/timestamp information. Its monitoring value centers on software/protocol status of ATM signaling routes — administrators track pgIISPRouteAddrOperStatus against pgIISPRouteAddrAdminStatus to detect routes that have gone down despite being administratively enabled, which signals ATM signaling path failures rather than a general hardware fault. It builds on standard ATM/IISP signaling concepts and RowStatus/SNMPv2-SMI conventions for table row management rather than depending on a specific external MIB. It is deployed on PairGain ATM-capable access or aggregation equipment where IISP static routing between switches needs operational visibility. Engineers can download the PAIRGAIN-IISP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in PAIRGAIN-IISP-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

PairGain Technologies ATM signaling equipment

Monitoring Examples

An operator polls pgIISPRouteAddrTable/pgIISPRouteAddrEntry, indexed by pgIISPRouteAddrIndex, to compare pgIISPRouteAddrAdminStatus against pgIISPRouteAddrOperStatus for each configured route. A route showing adminStatus enabled but operStatus down indicates a signaling path failure to that ATM address/prefix, and pgIISPRouteAddrTimeStamp reveals how long the route has been in that state. Reviewing pgIISPRouteAddrPrefixLength and pgIISPRouteAddrIfIndex together confirms the route is bound to the expected physical ATM interface.

What Can Be Monitored

IISP route administrative status
IISP route operational status
route address/prefix configuration
route interface binding
route status change timestamp

Imported Objects

From ATM-MIB

AtmTrafficDescrParamIndex

From ATM-TC-MIB

AtmAddr

From IF-MIB

InterfaceIndex
ifIndex	OBJECT-TYPE

From PAIRGAIN-COMMON-HD-MIB

pgIISPMIB

OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
Integer32
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
enterprises

From SNMPv2-TC

DisplayString
RowStatus
TEXTUAL-CONVENTION
TimeStamp
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
pgIISP	1.3.6.1.4.1.927.1.9.13.1			Initial version of the MIB for monitoring and controlling IISP routing.
pgIISPMIBObjects	1.3.6.1.4.1.927.1.9.13.1.1
INT pgIISPRouteAddrIndexNext	1.3.6.1.4.1.927.1.9.13.1.1.1	INTEGER	read-only	This object contains an appropriate value to be used for pgIISPRouteAddrIndex when creating entries in the pgIISPRouteAddrTable. The value 0 indicates that no unassigned entries are available. To obtain the atmVcCrossConnectIndex value for a new entry, the manager issues a management protocol retrieval operation to obtain the current value of this object. After each retrieval, the agent should modify the value to the next unassigned index. After a manager retrieves a value the agent will determine through its local policy when this index value will be made available for reuse.
pgIISPRouteAddrTable	1.3.6.1.4.1.927.1.9.13.1.1.2		not-accessible	A table containing all the attributes necessary to determine what the entity believes is reachable in terms of ATM End System Addresses and to determine which nodes are advertising this reachability. This table is also used to configure static routes to reachable address prefixes. The local node index that received the reachability information, reachable address, address prefix length, and an index that distinguishes between multiple listings of connectivity to a given address prefix from a given local node are combined to form an instance ID for this object..
pgIISPRouteAddrEntry	1.3.6.1.4.1.927.1.9.13.1.1.2.1		not-accessible	An entry in the table, containing information about a reachable address prefix.
I32 pgIISPRouteAddrIndex	1.3.6.1.4.1.927.1.9.13.1.1.2.1.1	Integer32	read-only	An index into the set of listings of connectivity to a given route.
ROW pgIISPRouteAddrRowStatus	1.3.6.1.4.1.927.1.9.13.1.1.2.1.2	RowStatus	read-create	To create, delete, activate and de-activate a reachable address prefix.
PGA pgIISPRouteAddrAddress	1.3.6.1.4.1.927.1.9.13.1.1.2.1.3	PgAtmAddrPrefix	read-only	The value of the ATM End System Address prefix.
PGA pgIISPRouteAddrPrefixLength	1.3.6.1.4.1.927.1.9.13.1.1.2.1.4	PgAtmPrefixLength	read-only	The prefix length to be applied to the ATM End System Address prefix.
NUM pgIISPRouteAddrIfIndex	1.3.6.1.4.1.927.1.9.13.1.1.2.1.5	InterfaceIndex	read-write	The local interface over which the reachable address can be reached. The value zero indicates an unknown interface or reachability through a remote node.
INT pgIISPRouteAddrType	1.3.6.1.4.1.927.1.9.13.1.1.2.1.6	INTEGER	read-write	The type (e.g. internal or exterior) of reachability from the advertising node to the address prefix. Reject(2) refers to an address prefix which, if matched, indicates that the message should be discarded as unreachable. This is used in some protocols as a means of correctly aggregating routes.
INT pgIISPRouteAddrAdminStatus	1.3.6.1.4.1.927.1.9.13.1.1.2.1.7	INTEGER	read-write	Indicates whether the route is configured to be used.
INT pgIISPRouteAddrOperStatus	1.3.6.1.4.1.927.1.9.13.1.1.2.1.8	INTEGER	read-write	Indicates whether the reachable address prefix is operationally valid and whether it is being advertised by this node.
TIM pgIISPRouteAddrTimeStamp	1.3.6.1.4.1.927.1.9.13.1.1.2.1.9	TimeStamp	read-write	Indicates when the connectivity from the advertising node to the reachable address prefix became known to the local node.
INT pgIISPNetPrefixIndexNext	1.3.6.1.4.1.927.1.9.13.1.1.3	INTEGER	read-only	This object contains an appropriate value to be used for pgIISPRouteAddrIndex when creating entries in the pgIISPRouteAddrTable. The value 0 indicates that no unassigned entries are available. To obtain the atmVcCrossConnectIndex value for a new entry, the manager issues a management protocol retrieval operation to obtain the current value of this object. After each retrieval, the agent should modify the value to the next unassigned index. After a manager retrieves a value the agent will determine through its local policy when this index value will be made available for reuse.
pgIISPNetPrefixTable	1.3.6.1.4.1.927.1.9.13.1.1.4		not-accessible	A table implemented by the user-side, containing the network-prefix(es) for ATM-layer addresses in effect on the user side of the UNI.
pgIISPNetPrefixEntry	1.3.6.1.4.1.927.1.9.13.1.1.4.1		not-accessible	Information about a single network-prefix for ATM-layer addresses in effect on the user-side. Note that the index variable atmNetPrefixPrefix is a variable-length string, and as such the rule for variable-length strings in section 4.1.6 of RFC 1212 applies.
I32 pgIISPNetPrefixIndex	1.3.6.1.4.1.927.1.9.13.1.1.4.1.1	Integer32	read-only	An index into the set of listings of connectivity to a given address prefix.
ROW pgIISPNetPrefixRowStatus	1.3.6.1.4.1.927.1.9.13.1.1.4.1.2	RowStatus	read-create	To create, delete, activate and de-activate a net prefix entry.
INT pgIISPNetPrefixPort	1.3.6.1.4.1.927.1.9.13.1.1.4.1.3	INTEGER	read-only	A unique value which identifies the UNI port for which the network prefix for ATM addresses is in effect. The value of 0 has the special meaning of identifying the local UNI.
NET pgIISPNetPrefixPrefix	1.3.6.1.4.1.927.1.9.13.1.1.4.1.4	NetPrefix	read-only	The network prefix for ATM addresses which is in effect on the user side of the ATM UNI port.
INT pgIISPNetPrefixFormat	1.3.6.1.4.1.927.1.9.13.1.1.4.1.5	INTEGER	read-write	ATM address format.
I32 pgIISPNetPrefixLength	1.3.6.1.4.1.927.1.9.13.1.1.4.1.6	Integer32	read-write	The number of bits that are significant in an ATM address prefix used.
INT pgIISPNetPrefixStatus	1.3.6.1.4.1.927.1.9.13.1.1.4.1.7	INTEGER	read-write	An indication of the validity of the network prefix for ATM addresses on the user side of the UNI port. To configure a new network prefix in this table, the network-side must set the appropriate instance of this object to the value valid(1). To delete an existing network prefix in this table, the network-side must set the appropriate instance of this object to the value invalid(2). If circumstances occur on the user-side which cause a prefix to become invalid, the user-side modifies the value of the appropriate instance of this object to invalid(2). Whenever the value of this object for a particular prefix becomes invalid(2), the conceptual row for that prefix may be removed from the table at any time, either immediately or subsequently.
ATM pgIISPAtmAddrPrefix	1.3.6.1.4.1.927.1.9.13.1.1.5	AtmAddr	read-write	The identifier assigned by a service provider. This ATM address prefix is used by more than one line cards in the Avidia.

RFC description

Monitors and controls IISP routing for Pairgain equipment with ATM address prefix and network configuration management.

Start monitoring PairGain Technologies ATM signaling equipment (IISP routing 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 PAIRGAIN-IISP-MIB

What Is PAIRGAIN-IISP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description