Thanks Mike. Makes sense that username and password must match. I also have a 
requirement to change passwords periodically. Can I change the agent password 
remotely via the management engine? If that is possible i assume there is an 
ordering dependency where the agent(s) is changed first, and then the 
management end is changed as the last step?
Thanks again, Joe


________________________________
 From: Mike Gibson <notmikegib...@gmail.com>
To: Joe Dougherty <jopa...@yahoo.com> 
Cc: "net-snmp-users@lists.sourceforge.net" 
<net-snmp-users@lists.sourceforge.net> 
Sent: Wednesday, July 31, 2013 5:39 PM
Subject: Re: noob v3 authentication question
 


The authentication credentials on the managers have to match whatever the agent 
has configured. For example:

For agent using SHA auth with v3 username "v3user" and auth password 
"v3password".

Manager:
snmpget -v 3 -l authNoPriv -u v3user -a SHA -A v3password <agent's address> 
sysContact.0



On Wed, Jul 31, 2013 at 6:00 PM, Joe Dougherty <jopa...@yahoo.com> wrote:

I am planning a system with a manager and several agents machines. I want to 
use snmpv3 authentication. If I change the authkey on management machine, do I 
lose ability to communicate with agents? IOW, do authkeys have to match on all 
engines? If so, can I change the authkey of agents remotely? Obviously I'm a 
bit fuzzy on some of the details of authentication. I am not planning on using 
encryption.
>Thanks
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