On 1 April 2010 13:52, PEOPLES, MICHAEL P (ATTSI) <[email protected]> wrote:
> I should note that "standard" Solaris 10 installations utilize the 5.0.9
> version
> of the agent, which does not appear to support the "extend" directive.
Correct.
The first code for extend directive was written in mid 2004,
while 5.0.9 was released in September 2003. This version
is not exactly cutting edge!
> Where might I find good documentation on the use of
> the "extend" directive?
It's covered in the snmpd.conf(5) man page (at least in current releases)
Also have a look at the NET-SNMP-EXTEND-MIB, which describes the
structure of the output.
> I can't see, from the documentation, that it behaves much differently from
> "exec".
The basic functionality is essentially the same.
There are two main areas of difference.
a) There is a fuller (consistent and legal) structure for retrieving
output from the command. This is described in the MIB above,
and is the same for both "extend {name} {command}" and
"extend {OID} {name} {command}" directives.
(With "exec", the structure of the output is different, depending
on whether there's an OID specified or not!)
b) "extend"-style directives can be configured via SET requests
(see the nsExtendConfigTable), including command-line
options and standard input, "exec" commands can only
be set up via the snmpd.conf file.
Dave
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