Re: specifying SNMP version

On Mon, 2005-10-10 at 17:06 +0800, Ronnel P. Maglasang wrote:
> Is it possible to specify which SNMP version when running snmpd from
> command line or snmpd.conf? Can I run it on v3? only v2c or both?

You can't completely remove SNMPv3 or SNMPv2c support from the agent
without re-compiling it.  But you can configure the agent so that
it only *responds* to SNMPv3 or SNMPv2c requests.
  That's done using the access control settings.

Bottom line - if there is no access control configured for a given
SNMP version, then the agent won't respond to such requests.

So if you ensure that *none* of your 'snmpd.conf' files contain
any lines of the form

	rouser	{something}
	rwuser  {something}
or
	group   {some}  usm   {thing}

then the agent won't respond to SNMPv3 requests.

Similarly, if they don't contain any lines of the form

	rocommunity	{something}
	rwcommunity	{something}
or
	group   {some}  v2c   {thing}

then the agent won't respond to SNMPv2c requests.

Dave


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