Re: snmpusm problems

Hi Dave,



1) in snmpd.conf, I have
------------------------


createUser initial
rwuser initial noauth



2) I start the agent
---------------------

[root@M54418TWR snmp]# snmpd -a -c snmpd.conf -d -Lf log1.txt
[root@M54418TWR snmp]# cat log1.txt
NET-SNMP version 5.7.1


3) I try to add a user wes
-----------------------------------

[root@M54418TWR snmp]# snmpusm -v3 -u initial   -l noAuthNoPriv
172.27.42.191 cloneFrom wes  initial
Error in packet.
Reason: inconsistentValue (The set value is illegal or unsupported in some
way)
Failed object: SNMP-USER-BASED-SM-MIB::usmUserStatus.".....LB......"."wes"



4) Tried some snmget
--------------------------
# snmpgetnext -v 3 -n "" -u MD5User -a MD5 -A "The Net-SNMP Demo Password"
-l authNoPriv test.net-snmp.org sysUpTime
SNMPv2-MIB::sysUpTime.0 = Timeticks: (600600930) 69 days, 12:20:09.30


Thanks,
Simon



On Tue, Nov 8, 2011 at 10:54 AM, Dave Shield <[email protected]>wrote:

> On 8 November 2011 14:38, Simon Chamlian <[email protected]> wrote:
> > I tried the following:
>
> > # snmpusm -v3 172.27.42.191 create initial  wes
> > snmpset: No securityName specified
> >
> > # snmpusm -v3 -l authNoPriv -a MD5 172.27.42.191 create enzo1 simon1
> > snmpset: No securityName specified
>
> If you are going to use SNMPv3, then you *must* specify the SNMPv3 user
> that is authenticating the request.   Not just the new user that you
> wish to create,
> or the existing user that you are copying from - the user that is
> making the request.
>
>
>
> > # snmpusm -v3 -u simon -n "" -l authNoPriv -a MD5 -A "hello_world"
> 172.27.42.191 create enzo simon
> > snmpset: Unknown user name
>
> That should work if you have already set up a user "simon"  (with
> suitable access rights).
> But not if the user "simon" doesn't yet exist.
>
>
> > The agent (snmpd) should be running during these commands
>
> Yes - the agent needs to be running.
> "snmpusm" is sending SNMP requests, so there needs to be something to
> receive and act on them.
>
>
> But you still haven't answered my initial question.
> Did you put a line of the form
>
>    "createUser  initial ....."
>
> in one of the snmpd.conf files?
> The only configuration setting you've mentioned so far is the "rwuser"
> entry.
> You *also* need to create this user (using "createUser")
>
> It's not possible to start using SNMPv3 without having an initial user,
> and this needs to be set up via the config file.
>   Try that , and make sure you can run simple "snmpget" requests.
> There's no point in trying to use "snmpusm" until you've got this working
> first.
>
>
> Dave
>

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