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    afunms

    My Software,My Dream—Forge a more perfect NMS product.

    Difference between SNMPv1 and SNMPv2

    Difference between SNMPv1 and SNMPv2

    SNMP aka Simple
    Network Management Protocol is a simple request/response protocol. Network
    manager aka SNMP manager issues a request and managed device aka


    SNMP agent returns
    the response. This request/response behavior is implemented using protocol
    operations and information between manager and agent is
    transferred using
    SNMP PDUs (Packet Data Unit).


    SNMPv1 is the
    initial implementation of the protocol and SNMPv2 is an enhancement over
    version 1. The significant differences between SNMPv1 and SNMPv2 are as below:


    Protocol operations used in SNMPv1 are Get,
    GetNext, Set and Trap. SNMPv2 defines two more protocol options GetBulk and
    Inform.

    Trap PDU format is different than other
    PDU’s formats in SNMPv1. In version 2, trap pdu format is same as the format of
    get and set pdu’s.

    In SNMPv1, if in a get request one of the
    object instance in multiple-attribute request does not exist or is invalid, no
    response would be given, only an error message would return. In SNMPv2, in such
    a scenario, response would return for all other object instances or attributes except
    the invalid value i.e. partial response would be there rather than error.

    To know about the difference in implementation of security in SNMP version 1 & 2, please refer this link.

    posted on 2012-05-02 15:46 afunms 閱讀(327) 評論(0)  編輯  收藏


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