Имеем такое описание в MIB. Объясните процесс получения информации по портам. На другие вообще не похоже, пример: http://wiki.sirmax.noname.com.ua/index.php/Dlink_Cable_Tester. В примере все предельно понятно.
-- Cable Diagnostics Group --------------------------------------------- --

cableDiagTriggerIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Trigger an interface index to do cable diagnostic."
::= {companyCableDiagnostic 1 }

cableDiagPair1TestResult OBJECT-TYPE
SYNTAX INTEGER {
ok (0),
open (1),
short (2),
notAvailable (5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 1 test result."
::= {companyCableDiagnostic 2 }

cableDiagPair1FaultDistance OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable Diagnostics pair 1 fault distance."
::= {companyCableDiagnostic 3}

cableDiagPair2TestResult OBJECT-TYPE
SYNTAX INTEGER {
ok (0),
open (1),
short (2),
notAvailable (5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 2 test result."
::= {companyCableDiagnostic 4 }

cableDiagPair2FaultDistance OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 2 fault distance."
::= {companyCableDiagnostic 5}

cableDiagPair3TestResult OBJECT-TYPE
SYNTAX INTEGER {
ok (0),
open (1),
short (2),
notAvailable (5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 3 test result."
::= {companyCableDiagnostic 6 }

cableDiagPair3FaultDistance OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 3 fault distance."
::= {companyCableDiagnostic 7}

cableDiagPair4TestResult OBJECT-TYPE
SYNTAX INTEGER {
ok (0),
open (1),
short (2),
notAvailable (5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 4 test result."
::= {companyCableDiagnostic 8 }

cableDiagPair4FaultDistance OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Cable diagnostics pair 4 fault distance."
::= {companyCableDiagnostic 9}

cableDiagLengthinRange OBJECT-TYPE
SYNTAX INTEGER {
less50 (1),
from50to80 (2),
from80to100 (3),
from100to140 (4),
notAvailable (5)

вот проход по этим параметрам
<?xml version="1.0"?>
<SnmpSimulatorData>
<Instances
>
<!-- cableDiagTriggerIndex.0 -->
<Instance
name="cableDiagTriggerIndex.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.1.0"
valueType="Integer"
>
<Value><![CDATA[0]]></Value>
</Instance>
<!-- cableDiagPair1TestResult.0 -->
<Instance
name="cableDiagPair1TestResult.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.2.0"
valueType="Integer"
>
<Value><![CDATA[notAvailable (5)]]></Value>
</Instance>
<!-- cableDiagPair1FaultDistance.0 -->
<Instance
name="cableDiagPair1FaultDistance.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.3.0"
valueType="Integer"
>
<Value><![CDATA[0]]></Value>
</Instance>
<!-- cableDiagPair2TestResult.0 -->
<Instance
name="cableDiagPair2TestResult.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.4.0"
valueType="Integer"
>
<Value><![CDATA[notAvailable (5)]]></Value>
</Instance>
<!-- cableDiagPair2FaultDistance.0 -->
<Instance
name="cableDiagPair2FaultDistance.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.5.0"
valueType="Integer"
>
<Value><![CDATA[0]]></Value>
</Instance>
<!-- cableDiagPair3TestResult.0 -->
<Instance
name="cableDiagPair3TestResult.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.6.0"
valueType="Integer"
>
<Value><![CDATA[notAvailable (5)]]></Value>
</Instance>
<!-- cableDiagPair3FaultDistance.0 -->
<Instance
name="cableDiagPair3FaultDistance.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.7.0"
valueType="Integer"
>
<Value><![CDATA[0]]></Value>
</Instance>
<!-- cableDiagPair4TestResult.0 -->
<Instance
name="cableDiagPair4TestResult.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.8.0"
valueType="Integer"
>
<Value><![CDATA[notAvailable (5)]]></Value>
</Instance>
<!-- cableDiagPair4FaultDistance.0 -->
<Instance
name="cableDiagPair4FaultDistance.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.9.0"
valueType="Integer"
>
<Value><![CDATA[0]]></Value>
</Instance>
<!-- cableDiagLengthinRange.0 -->
<Instance
name="cableDiagLengthinRange.0"
oid=".1.3.6.1.4.1.171.10.134.1.1.35.10.0"
valueType="Integer"
>
<Value><![CDATA[notAvailable (5)]]></Value>
</Instance>
</Instances>
</SnmpSimulatorData>

Спасибо всем)) Разобрался. Необходим Set в этом месте .1.3.6.1.4.1.171.10.134.1.1.35.1.0 integer= номер порта