[snmp] Re: FW: sending V3 traps with trapsess

[Birgit Arkesteijn]

Dear Josh,

I've had problems in the past, but I think it's not the same problem, see
http://sourceforge.net/mailarchive/forum.php?thread_name=20060206182223.GB3613%40westhawk.co.uk&forum_name=net-snmp-users

Unfortunately Wes' answer to my latest posting is omitted from this 
view. I seem to remember he agreed with me, though.


I can only get trapsess to work with -l noAuthNoPriv.
My note in snmpd.conf says:
# Keep getting parsing failed errors

Sorry, Birgit


On 09/04/08 22:36, Josh Bers wrote:
> Has anyone been able to get net-snmp to send authenticated and encrypted v3
> traps to a Westhawk manager... I am running into loads of problems using
> net-snmp 5.3.1. It never seems to use the local user name or USM security
> parameters!
> 
> Any pointers would be much appreciated.
> 
> Josh
> 
> -----Original Message-----
> From: Josh Bers [mailto:jbers at bbn.com] 
> Sent: Wednesday, April 09, 2008 5:11 PM
> To: 'Dave Shield'
> Cc: 'net-snmp-users at lists.sourceforge.net'
> Subject: RE: sending V3 traps with trapsess
> 
> Now I am using 5.3.1 and getting the following error when I configure
> trapsess (found in /var/log/message):
> 
> Snmpd[pid]: snmpd: send_trap: USM unknown security name (no such user
> exists)
> 
> This is strange because on the line above the trapsess entry in
> /etc/snmp/snmpd.conf I declare the user as a rwuser snmproot!
> 
> Is there some other configuration file that I need to tell about the users
> that I will use in trapsess from the snmpd agent?
> 
> Josh
> 
> 
> -----Original Message-----
> From: Josh Bers [mailto:jbers at bbn.com] 
> Sent: Thursday, April 03, 2008 2:43 PM
> To: 'Dave Shield'
> Cc: 'net-snmp-users at lists.sourceforge.net'
> Subject: RE: sending V3 traps with trapsess
> 
> Dave,
> 
> OK, I will be upgrading shortly to net-snmp 5.3.1. Would you expect with
> that version that the following trapsess will use the authoritative engineID
> of the currently running snmpd process when sending traps to
> <target-manager>?
> 
> trapsess -v 3 -u snmproot -a MD5 -A <rootAuthPass> -l authPriv -x DES -X
> <rootPrivPass> <target-manager>
> 
> 
> Josh
> 
> -----Original Message-----
> From: net-snmp-users-bounces at lists.sourceforge.net
> [mailto:net-snmp-users-bounces at lists.sourceforge.net] On Behalf Of Dave
> Shield
> Sent: Wednesday, April 02, 2008 3:09 PM
> To: Josh Bers
> Cc: net-snmp-users at lists.sourceforge.net
> Subject: Re: sending V3 traps with trapsess
> 
> On 02/04/2008, Josh Bers <jbers at bbn.com> wrote:
>> I am seeing strange behavior when configuring snmpd to send traps using
>> trapsess command in the snmpd.conf file.
>>
>> When I don't specify an engineID explicitly it attempts to do discovery
> even
>> though I am not asking for INFORMS!
> 
>> I am using version 5.1.2. Does anyone know if this has been fixed
>> on later versions?
> 
> I've just tried this with both the current development code,
> and the 5.2.x line.   In both cases, the agent sends the trap
> immediately, with no engine probe.
> 
> I don't have a 5.1.x version immediately accessible, but I
> seem to remember something being added a while back to
> delay the engine probe for an SNMPv3 session until it
> was actually needed.   So I suspect that this problem has
> indeed been fixed in later releases.
> 
> Please note that the 5.1.x line was closed down about two
> years ago.   We would *strongly* recommend that you
> upgrade to a more recent version.
> 
> Dave
> 
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-- 
-- Birgit Arkesteijn, birgit at westhawk.co.uk,
-- Westhawk Ltd, Albion Wharf, 19 Albion Street, Manchester M1 5LN, UK
-- Company no: 1769350
-- Registered Office:
-- 15 London Road, Stockton Heath, Warrington WA4 6SJ. UK.
-- tel.: +44 (0)161 237 0660
-- <URL: http://www.westhawk.co.uk>