CISCO-PSA-MICROCODE-MIB Download
Cisco PSA Microcode MIB - Overview
The PSA is the Packet Switching ASIC used
in module like engine 2(E2) line cards in GSR
for IP and MPLS packets forwarding. The PSA
performs IP and MPLS packet forwarding at 4 Mpps.
The list of features supported by the PSA
includes (but is not limited to):
- Input and Output ACLs
- Frame Relay Switching
- PIRC
- MPLS VPN
- BGP policy accounting
- IP packet coloring
- Sampled Net flow
- ATM over MPLS.
- Source MAC Accounting.
- Unicast RPF
Note that all the features are not
supported simultaneously on a module.
Each microcode bundle/set can support
one or a limited number of the features
listed above. Each feature has a priority.
When a feature (ACL, Sampled NetFlow) is
enabled through the CLI, the higher
priority feature will take precedence
over the lower priority feature. The
microcode for the lower priority is
removed and cleaned up. The higher
priority microcode will be loaded.
Later, if the higher priority feature
is removed, the lower priority microcode
will be loaded again.
This MIB contains information about the microcode
bundles on modules like E2 Line Cards(LC) in GSR.
Since microcode reload is a service interrupting
event, this MIB also defines a notification to
inform management stations that such an event has
taken place.
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OID list for CISCO-PSA-MICROCODE-MIB
- cpmcModulePsaTable
- A table providing the microcode bundle information of those modules which contains PSA (Ex: engine 2 line cards in GSR).
- cpmcModulePsaEntry
- Entries providing PSA microcode bundle information of those entities of type PhysicalClass module(9) and contain PSA.
- cpmcModulePsaCurrBundleId
- The identity of the microcode bundle currently loaded on the PSA of the module identified by entPhysicalIndex.
- cpmcModulePsaPrevBundleId
- The identity of the microcode bundle previously loaded on the PSA of the module identified by entPhysicalIndex. Till the first microcode reload is performed on the module, the value will be 'none(2)'.
- cpmcModulePsaFeaturesEnabled
- The list of features newly enabled due to the loading of the microcode bundle identified by cpmcModulePsaCurrBundleId.
- cpmcModulePsaFeaturesDisabled
- The list of features disabled because of the unloading of microcode bundle identified by cpmcModulePsaPrevBundleId and loading of the microcode bundle identified by cpmcModulePsaCurrBundleId.
- cpmcBundleTable
- A table of PSA microcode bundle features.
- cpmcBundleEntry
- Details the features of a microcode bundle.
- cpmcBundleId
- The identity of the PSA microcode bundle. This object value can't be unknown(1) or none(2).
- cpmcBundleFeatures
- The list of features supported by microcode bundle identified by cpmcBundleId.
- cpmcNotifEnables
- This variable indicates whether the system produces the ciscoPsaMicrocodeReload notification. A false value will prevent PSA microcode reload notifications from being generated by the system.
- ciscoPsaMicrocodeParamsGroup
- A collection of objects providing PSA microcode monitoring.
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