Hi!

If you're going to create a value after you get it via the SET, does it matter what you reply to the GET? If possible, reply with an empty string, or some other pre-defined string of your choice instead of replying NONE.

/Fredrik

jiaqin wu skrev 2013-08-16 17:06:
Hi,
I am Akim, working on a project to extend an snmp agent with pass-persist module.
but I met a problem,
When I w?ant to Set a mib, net-snmp seems pass me a "GET" request first, and I response the mib value, then net-snmp pass me the real "SET" request.
For example : I want to set a tabular.
1. what I did:

    > snmpset -v2c -c mycommunity 192.168.10.7
    1.3.6.1.4.1.7679.4.1.1.2 = "test string"

2. what net-snmp passed to me:

    get
    1.3.6.1.4.1.7679.4.1.1.2

3. what I response:

    string
    1.3.6.1.4.1.7679.4.1.1.2
    abcde

4. then the real SET passed to me:

    set
    1.3.6.1.4.1.7679.4.1.1.2
    string test string

5. I response

    DONE


Everything is fine.
But if the requested tabular INDEX doesn't exist in this table, (actually I will create one in my program), the process becomes:
1. what I did:

    > snmpset -v2c -c mycommunity 192.168.10.7
    1.3.6.1.4.1.7679.4.1.2.2 = "test string"
                                                    ^ //assuming this
    index "2" doesn't exist yet.

2. what net-snmp passed to me:

    get
    1.3.6.1.4.1.7679.4.1.2.2

3. what I response:

    NONE

4. then it is all over! net-snmp doesn't pass me anything.

So I can not create a new row for this table in my own program! But I have to...
Who can help me ??
Thank you all very much.

Akim


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