OBJECT IDENTIFIER AWARENESS FOR NETWORK DEVICE NOTIFICATIONS

• US 20090006435A1
• Filed: 07/16/2007
• Published: 01/01/2009
• Est. Priority Date: 06/28/2007
• Status: Abandoned Application

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Dixon, Walter, Linton, John Ferguson, Gray, Richard, Mojica, Juan M., Tsang, Tzu-Ming
• Application Number:
  US11/778,592
• Publication Number:
  US 20090006435A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 41/0213 Standardised network management protocols, e.g. simple network management protocol [SNMP]
• CPC Class Codes: H04L 41/046 comprising network management agents or mobile agents therefor
• CPC Class Codes: H04L 43/0817 by checking functioning
• CPC Class Codes: H04L 43/16 Threshold monitoring

Abstract

In one embodiment, a control processor sends unique identifiers to each traffic processor in a multi-processor system of different unique identifiers may be sent for each traffic processor supported Management Information Base (MIB). The traffic processors modify MIB object identifiers to include the unique identifiers and then transmit notifications that include the unique identifiers, MIB object identifiers, and associated traffic processor parameter values. In another embodiment, the control processor handles the task of attaching unique identifiers so each MIB object identifiers are uniquely correlated with a particular traffic processor.

Claims

1. A method comprising:

identifying object identifiers and associated parameter values generated by a processor;

associating a unique identifier with the object identifiers that uniquely identifies the processor that generated the parameter values and distinguishes the processor from other processors in a same system that may also generate object identifiers and associated parameter values; and

sending a notification that contains the unique identifier, object identifiers, and parameter values associated with the object identifiers.

2. The method according to claim 1 further comprising associating different unique identifiers with each different Management Information Base (MIB) operated by the processor.

3. The method according to claim 1 further comprising:

receiving the unique identifier from a control processor;

modifying the object identifiers to include the unique identifiers received from the control processor;

formatting the unique identifier, object identifiers, and parameter values into the notification; and

sending the notification either directly to a management station or sending the notification through the control processor to the management station.

4. The method according to claim 1 further comprising:

receiving a message from a traffic processor that contains the object identifiers and associated parameter values;

identifying the traffic processor that sent the message;

locating the unique identifier associated with the identified traffic processor;

modifying the message to include the located unique identifier associated with the identified traffic processor; and

sending the modified message to a management station as the notification.

5. The method according to claim 1 wherein the notification further comprises a Simple Network Management Protocol (SNMP) notification.

6. The method according to claim 1 wherein the object identifiers further comprise Management Information Base (MIB) object identifier variables.

7. The method according to claim 1 further comprising:

identifying different object identifiers associated with different Management Information Bases (MIBs);

identifying different unique identifiers associated for each of the different MIBs;

modifying the object identifiers to include the unique identifiers associated with the same MIBs; and

sending the notification that includes the modified object identifiers with the different unique identifiers.

8. An apparatus, comprising:

a first processor configured to generate different parameter values and associate the parameter values with different object identifiers; and

the first processor, or a second processor, configured to modify the object identifiers to include unique identifiers that uniquely identify the first processor that generated the parameter values associated with object identifiers.

9. The apparatus according to claim 8 wherein:

the first processor further comprises a traffic processor that is coupled to a communication link and generates parameter values associated with the communication link; and

the second processor further comprises a control processor that sends the unique identifiers to the traffic processor.

10. The apparatus according to claim 9 wherein the traffic processor is further configured to format the unique identifiers, object identifiers, and parameter values associated with the object identifiers into a notification message and then send the notification message to a management station without going through the control processor.

11. The apparatus according to claim 8 wherein:

the first processor further comprises a traffic processor that is coupled to a communication link and generates the parameter values associated with the communication link; and

the second processor further comprises a control processor that receives the object identifiers and associated parameter values from the traffic processor and modifies the received object identifiers to include the unique identifiers associated with traffic processor that generated the parameter values.

12. The apparatus according to claim 8 wherein the first processor also operates a Simple Network Management Protocol (SNMP) agent that formats the parameter values and associated object identifiers into a SNMP notification.

13. The apparatus according to claim 8 wherein the first processor also operates one or more Management Information Bases (MIBs) that generate the object identifiers associated with the parameter values.

14. The apparatus according to claim 13 wherein different unique identifiers are associated with each of the different MIBs.

15. A network processing device, comprising:

multiple traffic processors each operating Management Information Bases (MIBs) that assign object identifiers to different associated traffic processor values; and

a control processor coupled to the multiple traffic processors,

either the multiple traffic processors or the control processor modifying the object identifiers to include device identifiers that identify the traffic processors that generated the traffic processor values.

16. The network processing device according to claim 15 wherein each of the traffic processors operate Simple Network Management Protocol (SNMP) agents that generate SNMP notifications whenever the traffic processors detect a preconfigured operating condition, the SNMP notifications each including the MIB object identifiers, associated traffic processor values, and the device identifiers that identify the traffic processors that generated the traffic processor values.

17. The network processing device according to claim 15 wherein the traffic processors receive the device identifiers from the control processor.

18. The network processing device according to claim 15 wherein the traffic processors send the MIB object identifiers and associated traffic processor values to the control processor and the control processor then assigns the device identifiers to the MIB object identifiers.

19. The network processing device according to claim 15 wherein the traffic processors operate multiple different MIBs and a different device identifier is used with the object identifiers for each of the different MIBs.

20. The network processing device according to claim 15 wherein the traffic processors and control processor are all contained within a same switch or router that switches or routes packets from different network connections over an Internet network and each of the multiple traffic processors in the switch or router independently formats and sends notifications containing the device identifiers, MIB object identifiers, and traffic processor values to a management station in the Internet network.