On Wed, 2005-06-15 at 03:16, Jeff Silverman wrote:
> I am trying to view the interface OIDs (1.3.6.1.2.1.2) on my
> linux server, but all I can see are the system OIDs (1.3.6.1.2.1.1).
Please see the FAQ entry:
I can see the system group, but nothing else. Why?
> Next question: on page 175 of "Essential SNMP", it shows the proc
> directive in the snmpd.conf file. It is not obvious to me why
> the proc entries show up in enterprises.ucdavis.procTable.prentry
> (1.3.5.1.4.1.2021.2). My intuition suggests that procs should be
> a subtree under system instead of under private. My thinking is
> obviously wrong - why?
Because the 'procTable' is an invention of this particular project.
It's not a standard MIB, that you might expect to find on any
system (regardless of the SNMP vendor). That's why it's in the
'enterprises' tree, which is specifically for such "private"
extensions.
Internet standard MIBs are typically located under the 'mib-2'
tree (1.3.6.1.2.1). Note that the 'system' group refers to a
relatively small collection of fairly universal information,
relevant even to embedded systems that don't necessarily have
the idea of separately running processes.
The closest standard equivalent to the UCD procTable is probably
the "hrSwRunTable" (part of the Host Resources MIB). The Net-SNMP
agent supports this, but it's not part of the default configuration,
so you'd probably need to recompile the agent to see that.
The interfaces group *is* a standard part of the default config.
You almost certainly just need to tweak the access control settings
(see above).
Dave
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