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Cisco ONS 15600 SDH Reference Manual, Release 9.0
78-18400-01
Chapter 13 SNMP
13.10.1 64-Bit RMON Monitoring over DCC
13.10.1 64-Bit RMON Monitoring over DCC
The ONS 15600 SDH DCC is implemented over the IP protocol, which is not compatible with Ethernet.
The system monitors Ethernet equipment history and statistics using RMON. RMON DCC monitoring
for IP and Ethernet is used to check the health of remote DCC connections.
RMON DCC contains two MIBs for DCC interfaces. They are:
•
cMediaIndependentTable—Standard, RFC 3273; the proprietary extension of the HC-RMON MIB
used for reporting statistics
•
cMediaIndependentHistoryTable—Proprietary MIB used to support history
13.10.1.1 Row Creation in MediaIndependentTable
The mediaIndependentTable is created automatically when the Ethernet facility is created on the
ONS 15600 SDH ASAP card.
13.10.1.2 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:
•
cMediaIndependentHistoryControlDataSource and its desired value
•
cMediaIndependentHistoryControlOwner and its desired value
•
cMediaIndependentHistoryControlStatus with a value of createRequest (2)
13.10.2 HC-RMON-MIB Support
For the ONS 15600 SDH, the implementation of the high-capacity remote monitoring information base
(HC-RMON-MIB, or RFC 3273) enables 64-bit support of existing RMON tables. This support is
provided with the etherStatsHighCapacityTable and the etherHistoryHighCapacityTable. An additional
table, the mediaIndependentTable, and an additional object, hcRMONCapabilities, are also added for
this support. All of these elements are accessible by any third-party SNMP client should have the ability
to upload RFC 3273 SNMP MIB variables in the etherStatsHighCapacityTable,
etherHistoryHighCapacityTable, or mediaIndependentTable.
13.10.3 Ethernet Statistics RMON Group
The Ethernet Statistics group contains the basic statistics monitored for each subnetwork in a single table
called the etherStatsTable.
13.10.3.1 Row Creation in etherStatsTable
The SetRequest PDU for creating a row in this table should contain all the values needed to activate a
row in a single set operation, and an assigned status variable to createRequest. The SetRequest PDU
object ID (OID) entries must all carry an instance value, or type OID, of 0.
In order to create a row, the SetRequest PDU should contain the following:
