Cisco Cisco IOS Software Release 12.2(27)SBC

The PWE3 MIBs contain the following unsupported scalar objects:

cpwVcIndexNext—Indicates the next cpwVcIndex value to use when you add rows to the cpwVcTable.

cpwVcNotifRate—Indicates the rate at which cpwVcUp/Down notifications can be issued from the 
device.

cpwVcMplsOutboundIndexNext—Contains an appropriate value to be used for 
cpwVcMplsOutboundIndex when you create entries in the cpwVcMplsOutboundTable. The value 0 
indicates that no unassigned entries are available. To obtain the cpwVcMplsOutboundIndex value 
for a new entry, the manager issues a management protocol retrieval operation to obtain the current 
value of this object. After each retrieval, the software agent should modify the value to the next 
unassigned index; however, the software agent must not assume such retrieval will be done for each 
row created.

cpwVcMplsInboundIndexNext—Contains an appropriate value to be used for 
cpwVcMplsInboundIndex when you create entries in the cpwVcMplsInboundTable. The value 0 
indicates that no unassigned entries are available. To obtain the cpwVcMplsInboundIndex value for 
a new entry, the manager issues a management protocol retrieval operation to obtain the current 
value of this object. After each retrieval, the software agent should modify the value to the next 
unassigned index; however, the agent must not assume such retrieval will be done for each row 
created.

The cpwVcUp and cpwVcDown notifications in the PW-MIB indicate when the operStatus values for a 
range of PW VCs have changed state. 

The definition of these objects in the PW-MIB indicates that events of the same type, either up or down, 
must be able to be correlated into ranges. The implementation of these notifications does not do any of 
this correlation. A notification is generated for each individual VC that has an operational state change 
if that notification is enabled. A notification does not signal an operational state change for a group of 
VCs as described in the MIB.

The PWE3 MIBs provide the ability to manage pseudowire emulation edge-to-edge by providing 
MPLS-related information about the service and a mechanism to monitor the Ethernet, Frame Relay, or 
ATM access circuits.

This section contains the following procedures:

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