SNMP views typrs

[Rizwan Khan]

Hello friends....
I need to understand different view types in SNMP ..... I know they are like subset of whole big set of mibs..... What are iso and system views? And any other views types....I googled it but could not find the appropriate information.... Thanks in advance.


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[Vinod Arya]

There are no different types of Views for SNMP as far as I know. A view is a very basic and simple option on SNMP configuration.

As we know to fetch any information via SNMP we should know the proper MIB/OID. For example - Asking details about the uptime of the device we need to poll it for sysUptime. It can be considered similar to - if we need correct details we should know the correct show command, like for clock we should use show clock.

As via SNMP there is a vast pool of information anyone can get via snmp or even reboot the device if they know the community strings, so it is a good practice to restrict such MIBs/OIDs which an admin thinks should be retricted to be accessed by any users.

So it is confiugured accordingly to exclude a perticular MIB/OID, but it should allow anything higher in the heirarchy so that only what we want is restricted and blocked and everything else is available.

There is no such llimit to add instances of view to exclude MIB/OIDs.

For more details, please check this link :

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094489.shtml#setupsnmp

-Thanks