Here's one that I wrote.
Each DHCP scope needs its own 'device.'
You can fancy it up as you see fit.
<header>
"type" = "custom-snmp"
"package" = "edu.etsu"
"probe_name" = "snmp.dhcp"
"human_name" = "Microsoft DHCP Scope Usage"
"version" = "1.0"
"address_type" = "IP, AT"
"port_number" = "161"
</header>
<snmp-device-properties>
pdutype = "get-request"
</snmp-device-properties>
<description>
This probe monitors DHCP Scope Usage and alerts on user-defined
thresholds.
</description>
<parameters>
"ip_scope" = "0.0.0.0"
"free_address_pct_threshold_crit" = "10"
"free_address_pct_threshold_warn" = "15"
</parameters>
<snmp-device-variables>
add_inuse, 1.3.6.1.4.1.311.1.3.2.1.1.2.${ip_scope}, Integer, "Current
number of leased addresses"
add_free, 1.3.6.1.4.1.311.1.3.2.1.1.3.${ip_scope}, Integer, "Current
number of available addresses"
add_total, ${add_inuse} + ${add_free}, Calculation, "Total number of
addresses in scope"
pct_free, round((${add_free} / ${add_total}) * 100), Calculation,
"Percentage of available addresses"
</snmp-device-variables>
<snmp-device-thresholds>
Down : $add_free = 0 "${ip_scope}: available DHCP addresses = 0 of
${add_total} available"
Critical: $pct_free <= ${free_address_pct_threshold_crit} "${ip_scope}:
available DHCP addresses <= ${free_address_pct_threshold_crit}% [Actual:
${add_free} of ${add_total} available]"
Warning : $pct_free <= ${free_address_pct_threshold_warn} && $pct_free >
${free_address_pct_threshold_crit} "${ip_scope}: available DHCP
addresses <= ${free_address_pct_threshold_warn}% [Actual: ${add_free} of
${add_total} available]"
</snmp-device-thresholds>
<snmp-device-display>
__________________________
IP Scope : ${ip_scope}
Number of Total Addresses : ${add_total}
Number of Addresses Free : ${add_free}
Percent of Free Addresses : ${pct_free}%
__________________________
</snmp-device-display>
James P. Ashe
Systems Analyst 2
East Tennessee State University
Office of Information Technology
4 2 3 * 4 3 9 * 4 6 4 8
-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of
Manickaraja.Arumugam
Sent: Friday, April 18, 2008 12:45 AM
To: InterMapper Discussion
Cc: [EMAIL PROTECTED]
Subject: [IM-Talk] Probe for Windows server 2000/2003 DHCP server Scope
Hi All,
Have any one already made a DHCP server scope monitoring probe.
Otherwise am going to make a fresh one.
Hi Dartware,
Please let me know if you have already have one.
Regards
Manicka Raja A
Assistant Manager - Corporate IT
A R I C E N T
ESPEE IT Park
Plot-5, Jawaharlal Nehru Salai,
Ekkattuthangal,
Chennai - 600 097 India
Main +9 144.442.2667 7
Fax +9 144.442.2610 0
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