*Thanks Dave. Please see my access control inline below.
*
On Thu, Feb 17, 2011 at 12:34 AM, Dave Shield <d.t.shi...@liverpool.ac.uk>wrote:
> On 16 February 2011 21:21, Zongjun <qizong...@gmail.com> wrote:
> > Interesting, there DOES exist a difference. It returns the following:
> > snmpgetnext localhost snmpEngine
> > SNMP-VIEW-BASED-ACM-MIB::vacmGroupName.1."public" = STRING: public
>
> OK - so either the agent doesn't support these objects,
> or the access control settings are blocking access to them.
>
> What access control do you have in the snmpd.conf file.
>
> *rwuser public*
*com2sec public default public*
*group public v1 public*
*group public v2c public*
*group public usm public*
*view all included .1*
*access public "" any noauth exact all none none*
>
>
> > How so? I thought SNMPWALK will just call SNMPGETNEXT multiple times...
>
> Yes - but think about what is implied by "multiple" here.
>
> snmpwalk will sent GetNext requests until it decides to stop.
> It decides to stop when it receives a response that falls
> outside the desired range.
>
> So in this case,
> snmpwalk sends a GetNext request for snmpEngine (1.3.6.1.6.3.10.2.1)
> It receives a response containing vacmGroupName.1."public"
> (1.3.6.1.6.3.16.1.2.1.3....)
>
> This lies outside the snmpEngine subtree (1.3.6.1.6.3.16 vs 1.3.6.1.6.3.10)
> so it discards the response, and stops.
>
*Makes sense. *
>
> Dave
>
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