In This Chapter ..............................................................................................................19-1
Dshell Troubleshooting .................................................................................................19-7
Appendix A
OS6600/OS7700/OS8800 Architecture Overview
In This Chapter ............................................................................................................... A-1
The MAC ASIC ............................................................................................................. A-2
Queue Driver Interaction ................................................................................................ A-8
Link Aggregation ......................................................................................................... A-11
Coronado Tables .......................................................................................................... A-11
Source Learning ........................................................................................................... A-12
QoS/Policy Manager .................................................................................................... A-15
Coronado Egress Logic ................................................................................................ A-15
The Fabric Architecture ............................................................................................... A-16
Nantucket ASIC ........................................................................................................... A-17
OmniSwitch Troubleshooting Guide
Catalina .................................................................................................................... A-2
Firenze ..................................................................................................................... A-4
The Coronado ASIC ................................................................................................ A-5
Functional Description ............................................................................................ A-6
Ethernet Driver ........................................................................................................ A-8
Queue Dispatcher .................................................................................................... A-8
NI Supervision ......................................................................................................... A-9
Source Learning ...................................................................................................... A-9
L3 Manager/IPMS ................................................................................................... A-9
QoS Manager ........................................................................................................... A-9
QoS Policy Change ........................................................................................... A-9
QoS Policy Deleted ........................................................................................ A-10
Link Goes Up/Down ....................................................................................... A-10
Layer 2 Tables ....................................................................................................... A-11
Layer 3 Tables ....................................................................................................... A-11
Functional Description: .................................................................................. A-18
Data Flow ....................................................................................................... A-18
September 2005
......................................................................................... 19-1
............................................ A-1
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