CISCO-CDMA-PDSN-CRP-MIB

All MIBs › CISCO-CDMA-PDSN-CRP-MIB

Organization: Cisco Systems, Inc.

Last Updated: 2004-07-27

Category: Cisco Devices, Mobile IP, Telephony and VoIP

Description: Manages the Cisco PDSN Cluster Redundancy Protocol, providing failover and state synchronization for CDMA packet data serving nodes.

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What Is CISCO-CDMA-PDSN-CRP-MIB?

CISCO-CDMA-PDSN-CRP-MIB manages the Closed RP (CRP) Cluster Redundancy Protocol feature on Cisco Packet Data Serving Nodes (PDSN) in CDMA2000 3G wireless data networks, where the PDSN acts as a foreign agent terminating the radio-to-data-network link layer for mobile stations. It exposes session totals, per-PCF (Packet Control Function) performance statistics, and counters for A11 signaling messages such as registration requests (ICRQ) and connect notifications (ICCN). Its monitoring role centers on service availability and redundancy health: administrators track session counts and per-PCF request/accept/drop statistics to confirm the PDSN cluster is processing mobile data sessions correctly and that redundancy failover is functioning without dropped registrations. It is tightly coupled to the broader CDMA2000/PDSN architecture and mobile-IP style signaling (registration request/reply concepts), making it dependent on that wireless data context rather than standard IETF MIBs. It is deployed on Cisco PDSN platforms in CDMA carrier core networks supporting 3G data services. Engineers can download the CISCO-CDMA-PDSN-CRP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-CDMA-PDSN-CRP-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

Cisco PDSN (Packet Data Serving Node) for CDMA2000 wireless networks

Monitoring Examples

An operator would check ccpcEnabled and ccpcSessionTotal for overall CRP feature and load status, then drill into ccpcPcfPerfStatsTable keyed by ccpcPcfIpAddress to compare ccpcPcfRcvdIcrqs against ccpcPcfAcptdIcrqs and ccpcPcfDroppedIcrqs. A rising ccpcPcfDroppedIcrqs count for one PCF would indicate that PCF is overloaded or a cluster node has failed over improperly, dropping incoming session registration requests that should otherwise be accepted and answered via ccpcPcfSentIcrps.

What Can Be Monitored

total active sessions
registration requests received/accepted/dropped per PCF
connect notifications received/accepted per PCF
CRP feature enabled status
per-PCF performance statistics

Imported Objects

From CISCO-SMI

ciscoMgmt

OBJECT-IDENTITY

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TruthValue

How to Use in IPNetwork Monitor

Example using ccpcPcfRcvdIcrqs OID:

Select a Cisco PDSN (Packet Data Serving Node) for CDMA2000 (legacy) 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 ccpcPcfRcvdIcrqs 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. It reports the total number of Incoming-Call-Requests received to establish a L2TP session since the L2TP tunnel was established with PCF. 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
ciscoCdmaPdsnCrpMIB	1.3.6.1.4.1.9.9.957			This MIB is to support the Closed RP feature of CDMA PDSN that supports wireless data communication through 3G CDMA radio access technology. PDSN acts as a foreign agent that establishes, maintains and terminates the link layer to a mobile station. The high level architecture of a third generation CDMA2000 network is shown below: +========+=+ +=========+ +=========+ \| RAdio \|P\| \| \| Data \| Home \| \| Network\|C\|- Closed RP -\| PDSN \|- Core -\| Network \| \| (RAN) \|F\| Interface \| \| Network \| \| +========+=+ +=========+ (DCN) +=========+ /\|\ Foreign Agent Home Agent \| (FA) (HA) \| Visited Access \| Provider Network \| \\|/ +========+ \| Mobile \| \| Station\| \| (MS) \| +========+ The following diagram illustrates protocols usage by the CDMA2000 network elements: MS ===== RAN ======== PDSN ======== DCN ====== Home Network \| \| Closed RP \| \| \| +=signaling==+ \| \| \| \| \| +...L2TP/L2F tunnelling..+ \| \| \| +======== PPP ========+ \| \| \| \| \| +..Mobile IP tunnelling..+ \| \| \| \| \| \| +=================Mobile IP====================+ \| \| \| \| +======================data====================+ The CDMA PDSN CRP MIB provides operational information for a Closed RP implementation. The following areas are managed: 1) Global PDSN information. This area contains generic information such as the number of incoming call requests, incoming call replies etc., Acronyms and terms: CDMA Code Division Multiple Access DCN Data Core Network ESN Electronic Serial Number FA Foreign Agent HA Home Agent IMSI International Mobile Station Identifier IS In service IRM International Roaming MIN MC Mobile Client MIN Mobile Identifier Number MSID Mobile Station Identifier MS Mobile Station MN Mobile Node MoIP Mobile IP NAI Network Access Identifier OOS Out of service PCF Packet Control Function PDSN Packet Data Serving Node RAN Radio Network RP Radio Packet CANID Current Access Network Identifier PANID Previous Access Network Identifier BSID Base Station Identifier CVSE Customer/Vendor Specific Extension SO/So Service Option. The Service Option is a parameter that specifies the air interface between MS and RN for packet data service. Mobile Station/ A host or router that changes its Mobile Node point of attachment from one network or subnetwork to another. A mobile node may change its location without changing its IP address. Mobile IP Protocol enhancements that allow transparent routing of IP datagrams to mobile nodes. Refer to RFC 2002 for more details. Mobile Client A component which can interact with MoIP entities such as Foreign Agent and Home Agent. Home Agent A router on a mobile node's home network which tunnels datagrams for delivery to the mobile node when it is away from home, and maintains current location information for the mobile node. Refer to RFC 2002 for more details. Foreign Agent A router on a mobile node's visited network which provides routing services to the mobile node while registered. The foreign agent delivers datagrams to the mobile node that were tunneled by the mobile node's home agent. For datagrams sent by a mobile node, the foreign agent may serve as a default router for registered mobile nodes. Refer to RFC 2002 for more details. Proxy Mechanism used by PDSN to provide Mobile Ip MoIP services to a MS which does not implement a mobile client. PDSN will be the proxy MC for the MS. Simple IP IP routing used by a MS when MoIP services are not needed. PDSN flow A conversation between one user (identified by an IP address) and a HA using a PDSN session. PDSN session A PPP connection between a MS and the PDSN. One session may contain one or multiple PDSN flows. PCF Physical interface connecting the RAN to a PDSN L2TP Layer 2 Tunneling Protocol ICRQ Incoming Call Request ICRP Incoming Call Reply ICCN Incoming Call Connected CDN Call Disconnect.
ccpcMIBObjects	1.3.6.1.4.1.9.9.957.1
ccpcSystemInfo	1.3.6.1.4.1.9.9.957.1.1
T/F ccpcEnabled	1.3.6.1.4.1.9.9.957.1.1.1	TruthValue	read-only	An indication of whether CRP feature is enabled.
G32 ccpcSessionTotal	1.3.6.1.4.1.9.9.957.1.1.2	Gauge32	read-only	The total number of sessions currently established with this system.
ccpcPerfStats	1.3.6.1.4.1.9.9.957.1.2
ccpcPcfPerfStatsTable	1.3.6.1.4.1.9.9.957.1.2.1		not-accessible	PDSN PCF table. Contains the reference about PCF in the RAN currently interacting with the PDSN. An entry is created when a L2TP tunnel is established with PCF. An entry is deleted when the tunnel is deleted.
ccpcPcfPerfStatsEntry	1.3.6.1.4.1.9.9.957.1.2.1.1		not-accessible	A conceptual row in the PCF CRP Stats table.
IPt ccpcPcfIpAddressType	1.3.6.1.4.1.9.9.957.1.2.1.1.1	InetAddressType	not-accessible	Represents the type of the address specified by ccpcPcfIpAddress.
IP ccpcPcfIpAddress	1.3.6.1.4.1.9.9.957.1.2.1.1.2	InetAddress	not-accessible	The IP address of the PCF that serves the mobile node.
C32 ccpcPcfRcvdIcrqsEx	1.3.6.1.4.1.9.9.957.1.2.1.1.3	Counter32	read-only	Total number of Incoming-Call-Requests received to establish a L2TP session since the L2TP tunnel was established with PCF.
C32 ccpcPcfAcptdIcrqs	1.3.6.1.4.1.9.9.957.1.2.1.1.4	Counter32	read-only	Total number of Incoming-Call-Requests accepted since the L2TP tunnel was established with PCF.
C32 ccpcPcfDroppedIcrqs	1.3.6.1.4.1.9.9.957.1.2.1.1.5	Counter32	read-only	Total number of Incoming-Call-Requests denied since the L2TP tunnel was established with PCF.
C32 ccpcPcfSentIcrps	1.3.6.1.4.1.9.9.957.1.2.1.1.6	Counter32	read-only	Total number of Incoming-Call-Replies sent since the L2TP tunnel was established with PCF.
C32 ccpcPcfRcvdIccns	1.3.6.1.4.1.9.9.957.1.2.1.1.7	Counter32	read-only	Total number of Incoming-Call-Connected messages received since the L2TP tunnel was established with PCF.
C32 ccpcPcfAcptdIccns	1.3.6.1.4.1.9.9.957.1.2.1.1.8	Counter32	read-only	Total number of Incoming-Call-Connected messages accepted since the L2TP tunnel was established with PCF.
C32 ccpcPcfDroppedIccns	1.3.6.1.4.1.9.9.957.1.2.1.1.9	Counter32	read-only	Total number of Incoming-Call-Connected messages accepted since the L2TP tunnel was established with PCF.
C32 ccpcPcfRcvdCdns	1.3.6.1.4.1.9.9.957.1.2.1.1.10	Counter32	read-only	Total number of Call-Disconnect-Notify messages received to tear down L2TP session since the L2TP tunnel was established with PCF.
C32 ccpcPcfSentCdns	1.3.6.1.4.1.9.9.957.1.2.1.1.11	Counter32	read-only	Total number of Call-Disconnect-Notify messages sent to PCF to tear down L2TP session since the L2TP tunnel was established with PCF.
C32 ccpcPcfDroppedCdns	1.3.6.1.4.1.9.9.957.1.2.1.1.12	Counter32	read-only	Total number of Call-Disconnect-Notify messages dropped since the L2TP tunnel was established with PCF.
C32 ccpcPcfRcvdZlbs	1.3.6.1.4.1.9.9.957.1.2.1.1.13	Counter32	read-only	Total number of Zero-Length-Buffer messages received since the L2TP tunnel was established with PCF.
C32 ccpcPcfSentZlbs	1.3.6.1.4.1.9.9.957.1.2.1.1.14	Counter32	read-only	Total number of Zero-Length-Buffer messages sent since the L2TP tunnel was established with PCF.
ccpcMIBConformance	1.3.6.1.4.1.9.9.957.2
ccpcMIBCompliances	1.3.6.1.4.1.9.9.957.2.1
ccpcMIBCompliance	1.3.6.1.4.1.9.9.957.2.1.1			The compliance statement for entities which implement the CDMA PDSN Management MIB for R2.0
ccpcMIBGroups	1.3.6.1.4.1.9.9.957.2.2
ccpcSystemGrp	1.3.6.1.4.1.9.9.957.2.2.1			A collection of objects needed for PDSN R2.1 network management.
ccpcPerfGrp	1.3.6.1.4.1.9.9.957.2.2.2			A collection of objects needed for PDSN R1.2 network management.

RFC description

Manages CDMA PDSN closed reverse-link protocol for 3G wireless data communication.

Start monitoring Cisco PDSN (Packet Data Serving Node) for CDMA2000 (legacy) 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 CISCO-CDMA-PDSN-CRP-MIB