By: Sweta Dargad
*
*
*SNMP has become the most popular network management
protocol for its simplicity and scalability.
*Simple Network Manage...
*
*SNMPv1 :Simple Network Management Protocol
(RFC1213)has MIB2
*SNMPv2c: (RFC1907) includes security, confidentiality
*SN...
*
*An SNMP-managed network includes
management stations and network devices
*Agent software which runs on managed devices
...
*
SNMP sends and receives information on port UDP 161 and 162
*
The collection of objects is referred to as management
information bases (MIB)This MIB tree gives the OId(Object Id)
*
*
*
*Net-SNMP is a suite of applications used to implement
*SNMPv1, SNMPv2c and SNMPv3 using both IPv4 and IPv6
*A library f...
*
1. Snmpget: request to query for information on a network entity
Eg: snmpget -v1 -c public localhost system.sysUpTime
Or...
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All about snmp

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SNMP which is Simple Network Management Protocol for Monitoring Network Devices

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All about snmp

  1. 1. By: Sweta Dargad *
  2. 2. * *SNMP has become the most popular network management protocol for its simplicity and scalability. *Simple Network Management Protocol (SNMP) is commonly used within NMS(Network Monitoring System) *Tools like Cacti and OP Manager use SNMP for querying devices. *SNMP is the de-facto standard for Network Monitoring. *SNMP is integrated into most of devices like routers, switches, servers and workstations.
  3. 3. * *SNMPv1 :Simple Network Management Protocol (RFC1213)has MIB2 *SNMPv2c: (RFC1907) includes security, confidentiality *SNMPv3 :(RFC2275)addition of cryptographic security ensures confidentiality, integrity and authentication *It is Internet-standard protocol for managing devices on IP networks *community Strings :Read Only and Read write
  4. 4. * *An SNMP-managed network includes management stations and network devices *Agent software which runs on managed devices *Network management system (NMS) software which runs on the manager *MIB (Management Information Base), can monitor the state of hardware and software, and the running state of the system.
  5. 5. * SNMP sends and receives information on port UDP 161 and 162
  6. 6. * The collection of objects is referred to as management information bases (MIB)This MIB tree gives the OId(Object Id)
  7. 7. *
  8. 8. *
  9. 9. * *Net-SNMP is a suite of applications used to implement *SNMPv1, SNMPv2c and SNMPv3 using both IPv4 and IPv6 *A library for developing new SNMP applications, with both C and perl APIs *Information from snmp enabled device is collected by commands like • snmpget • snmpgetnext • snmpwalk • snmpset • snmptrap
  10. 10. * 1. Snmpget: request to query for information on a network entity Eg: snmpget -v1 -c public localhost system.sysUpTime Or snmpget –v1 –c private 127.0.0.1 1.3.6.1.2.1.1.3 Here system.sysUpTime is named OId of 1.3.6.1.2.1.1.3 which be can get by 2. snmptranslate 1.3.6.1.2.1.1.3 and vice-versa. Similarly 3. snmpwalk: is an SNMP application that uses SNMP GETNEXT requests to query a network entity for a tree of information. 4. snmpset: is used to set the information from users terminal
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