SNMP (Simple network management program ) Computer Science Engineering (CSE) Notes | EduRev

Computer Science Engineering (CSE) : SNMP (Simple network management program ) Computer Science Engineering (CSE) Notes | EduRev

 Page 1


SNMP 
Simple Network Management Protocol 
 
 
 
 
Chris Francois 
CS 417d Fall 1998 
cfrancois@acm.org 
Page 2


SNMP 
Simple Network Management Protocol 
 
 
 
 
Chris Francois 
CS 417d Fall 1998 
cfrancois@acm.org 
Basic tasks that fall under this category are: 
What is Network 
Management? 
•Fault Management 
 
•Dealing with problems and emergencies in the network 
(router stops routing, server loses power, etc.) 
 
•Performance Management 
•How smoothly is the network running?  
•Can it handle the workload it currently has? 
 
•Configuration Management 
 
•Keeping track of device settings and how they function 
 
Page 3


SNMP 
Simple Network Management Protocol 
 
 
 
 
Chris Francois 
CS 417d Fall 1998 
cfrancois@acm.org 
Basic tasks that fall under this category are: 
What is Network 
Management? 
•Fault Management 
 
•Dealing with problems and emergencies in the network 
(router stops routing, server loses power, etc.) 
 
•Performance Management 
•How smoothly is the network running?  
•Can it handle the workload it currently has? 
 
•Configuration Management 
 
•Keeping track of device settings and how they function 
 
Network Management must 
be... 
 
 
The management interface must be... 
The management mechanism must be... 
•Standardized 
•Extendible 
•Portable 
•Inexpensive 
•Implemented as software only 
Page 4


SNMP 
Simple Network Management Protocol 
 
 
 
 
Chris Francois 
CS 417d Fall 1998 
cfrancois@acm.org 
Basic tasks that fall under this category are: 
What is Network 
Management? 
•Fault Management 
 
•Dealing with problems and emergencies in the network 
(router stops routing, server loses power, etc.) 
 
•Performance Management 
•How smoothly is the network running?  
•Can it handle the workload it currently has? 
 
•Configuration Management 
 
•Keeping track of device settings and how they function 
 
Network Management must 
be... 
 
 
The management interface must be... 
The management mechanism must be... 
•Standardized 
•Extendible 
•Portable 
•Inexpensive 
•Implemented as software only 
Functional Areas of Network 
Management 
 
 
Configuration Management - inventory, configuration, provisioning 
Fault Management - reactive and proactive network fault management 
Performance Management - # of packets dropped, timeouts, collisions, CRC errors 
Security Management - SNMP doesn’t provide much here  
Accounting Management - cost management and chargeback assessment 
Asset Management - statistics of equipment, facility, and administration personnel 
Planning Management - analysis of trends to help justify a network upgrade or  
   bandwidth increase 
Page 5


SNMP 
Simple Network Management Protocol 
 
 
 
 
Chris Francois 
CS 417d Fall 1998 
cfrancois@acm.org 
Basic tasks that fall under this category are: 
What is Network 
Management? 
•Fault Management 
 
•Dealing with problems and emergencies in the network 
(router stops routing, server loses power, etc.) 
 
•Performance Management 
•How smoothly is the network running?  
•Can it handle the workload it currently has? 
 
•Configuration Management 
 
•Keeping track of device settings and how they function 
 
Network Management must 
be... 
 
 
The management interface must be... 
The management mechanism must be... 
•Standardized 
•Extendible 
•Portable 
•Inexpensive 
•Implemented as software only 
Functional Areas of Network 
Management 
 
 
Configuration Management - inventory, configuration, provisioning 
Fault Management - reactive and proactive network fault management 
Performance Management - # of packets dropped, timeouts, collisions, CRC errors 
Security Management - SNMP doesn’t provide much here  
Accounting Management - cost management and chargeback assessment 
Asset Management - statistics of equipment, facility, and administration personnel 
Planning Management - analysis of trends to help justify a network upgrade or  
   bandwidth increase 
SNMP & Network Management History 
• 1983 - TCP/IP replaces ARPANET at U.S. Dept. of Defense, effective birth of Internet 
• First model for net management - HEMS - High-Level Entity Management System (RFCs 
1021,1022,1024,1076) 
• 1987 - ISO OSI proposes CMIP - Common Management Information Protocol, and CMOT 
(CMIP over TCP) for the actual network management protocol for use on the internet 
• Nov. 1987 - SGMP - Simple Gateway Monitoring protocol (RFC 1028) 
• 1989 - Marshall T. Rose heads up SNMP working group to create a common network 
management framework to be used by both SGMP and CMOT to allow for transition to 
CMOT 
• Aug. 1989 - “Internet-standard Network Management Framework” defined (RFCs 1065, 
1066, 1067) 
• Apr. 1989 - SNMP promoted to recommended status as the de facto TCP/IP network 
management framework (RFC 1098) 
• June 1989 - IAB committee decides to let SNMP and CMOT develop separately 
• May 1990 - IAB promotes SNMP to a standard protocol with a recommended status 
(RFC 1157) 
• Mar. 1991 - format of MIBs and traps defined (RFCs 1212, 1215) 
• TCP/IP MIB definition revised to create SNMPv1 (RFC 1213) 
 
 
 
 
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