On 2012-01-24 14:36, C. Bensend wrote:
>> We've a Windows 2008 server with DHCP role. There is an option to
>> display
>> the statics of the scope.
>> Total Addresses ..
>> In Use .. %
>> Available ..%
>>
>> Is it possible to gt these information available in Nagios.
>
> I haven't had much luck with this. Microsoft doesn't expose hardly
> any of this data via WMI or any other interface that I've found.
> I haven't looked at Powershell yet, mostly because many of my
> servers do not have it installed (2003 -vs- 2008).
>
> The best I've been able to do is watch the event log for DHCP
> server complaints about a scope getting close to consumed. Even
> *that* has been problematic, as the DHCP server service seems to
> arbitrarily decide when it wants to complain. I ended up writing
> a custom plugin that watches the event log for those events, parsing
> the output, and deciding on whether it's appropriate to alert.
>
I don't think you'll have much trouble getting this via SNMP. It is
defined in the MIB on a per-scope basis, suggest you go a snmpwalk on
the OID I gave earlier and see what you get.
MIB excerpt:
scopeTable OBJECT-TYPE
SYNTAX SEQUENCE OF ScopeTableEntry
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A list of subnets maintained by the server"
::= { dhcpScope 1 }
scopeTableEntry OBJECT-TYPE
SYNTAX ScopeTableEntry
ACCESS read-only
STATUS mandatory
DESCRIPTION
"This is the row corresponding to a subnet"
INDEX { subnetAdd }
::= { scopeTable 1 }
ScopeTableEntry ::= SEQUENCE {
subnetAdd
IpAddress,
noAddInUse
Counter,
noAddFree
Counter,
noPendingOffers
Counter
}
subnetAdd OBJECT-TYPE
SYNTAX IpAddress
ACCESS read-only
STATUS mandatory
DESCRIPTION
"This is the subnet address "
::= { scopeTableEntry 1 }
noAddInUse OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"This is the no. of addresses in use"
::= { scopeTableEntry 2 }
noAddFree OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"This is the no. of addresses that are free "
::= { scopeTableEntry 3 }
noPendingOffers OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"This is the no. of addresses that are currently in the offer
state"
::= { scopeTableEntry 4 }
END
--
Message sent via my webmail account.
------------------------------------------------------------------------------
Keep Your Developer Skills Current with LearnDevNow!
The most comprehensive online learning library for Microsoft developers
is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3,
Metro Style Apps, more. Free future releases when you subscribe now!
http://p.sf.net/sfu/learndevnow-d2d
_______________________________________________
Nagios-users mailing list
Nagios-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting
any issue.
::: Messages without supporting info will risk being sent to /dev/null
