Bit Rmon Monitoring Over Dcc - Cisco ONS 15454 Reference Manual

Chapter 16 SNMP

16.10.1 64-Bit RMON Monitoring over DCC

The ONS 15454 DCC is implemented over the IP protocol, which is not compatible with Ethernet. The
system builds Ethernet equipment History and Statistics tables using HDLC statistics that are gathered
over the DCC (running point-topoint protocol, or PPP). This release adds RMON DCC monitoring (for
both IP and Ethernet) to monitor the health of remote DCC connections.
In R7.0, the implementation contains two MIBS for DCC interfaces. They are:
•
•
16.10.1.1 Row Creation in MediaIndependentTable
The SetRequest PDU for creating a row in the mediaIndependentTable should contain all the values
required to activate a row in a single set operation along with an assignment of the status variable to
createRequest (2). The SetRequest PDU for entry creation must have all the object IDs (OIDs) carrying
an instance value of 0. That is, all the OIDs should be of the type OID.0.
In order to create a row, the SetRequest PDU should contain the following:
•
•
•
The mediaIndependentTable creates a row if the SetRequest PDU is valid according to the above rules.
When the row is created, the SNMP agent decides the value of mediaIndependentIndex. This value is
not sequentially allotted or contiguously numbered. It changes when an Ethernet interface is added or
deleted. The newly created row will have mediaIndependentTable value of valid (1).
If the row already exists, or if the SetRequest PDU values are insufficient or do not make sense, the
SNMP agent returns an error code.
mediaIndependentTable entries are not preserved if the SNMP agent is restarted.
Note
The mediaIndependentTable deletes a row if the SetRequest PDU contains a mediaIndependentStatus
with a value of invalid (4). The varbind's OID instance value identifies the row for deletion. You can
recreate a deleted row in the table if desired.
16.10.1.2 Row Creation in cMediaIndependentHistoryControlTable
SNMP row creation and deletion for the cMediaIndependentHistoryControlTable follows the same
processes as for the MediaIndependentTable; only the variables differ.
In order to create a row, the SetRequest PDU should contain the following:
•
•
•
OL-9217-01
cMediaIndependentTable—standard, rfc3273; the proprietary extension of the HC-RMON MIB
used for reporting statistics
cMediaIndependentHistoryTable—proprietary MIB used to support history
mediaIndependentDataSource and its desired value
mediaIndependentOwner and its desired value (The size of mediaIndependentOwner is limited to
32 characters
.)
mediaIndependentStatus with a value of createRequest (2)
cMediaIndependentHistoryControlDataSource and its desired value
cMediaIndependentHistoryControlOwner and its desired value
cMediaIndependentHistoryControlStatus with a value of createRequest (2)
16.10 16.10.1 64-Bit RMON Monitoring over DCC
Cisco ONS 15454 Reference Manual, R7.0.1
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