Table of Contents
Chapter 4: LAN Switch Architectures
LCP..................................................................................................................................................75
SAGE ASIC....................................................................................................................................75
QTP ASIC.......................................................................................................................................75
QMAC.............................................................................................................................................76
Bridging Types......................................................................................................................................76
Source Route Bridging....................................................................................................................76
Source Route Transparent Bridging................................................................................................77
Source Route Translational Bridging..............................................................................................77
Transparent Bridging.......................................................................................................................77
Source Route Switching..................................................................................................................77
Switching Paths......................................................................................................................................78
Process Switching............................................................................................................................78
Fast Switching.................................................................................................................................78
Autonomous Switching...................................................................................................................79
Silicon Switching............................................................................................................................79
Optimum Switching........................................................................................................................79
Distributed Switching......................................................................................................................79
NetFlow Switching..........................................................................................................................79
System Message Logging......................................................................................................................80
Loading an Image on the Supervisor Engine III....................................................................................80
Booting the Supervisor Engine III from Flash.......................................................................................81
Setting the Boot Configuration Register................................................................................................81
Configuring Cisco Express Forwarding.................................................................................................81
Enabling CEF..................................................................................................................................81
Disabling CEF.................................................................................................................................81
Enabling dCEF................................................................................................................................82
Disabling dCEF...............................................................................................................................82
Disabling CEF on an Individual Interface.......................................................................................82
Configuring CEF Load Balancing...................................................................................................82
Disabling CEF Load Balancing.......................................................................................................82
Enabling Network Accounting for CEF..........................................................................................82
Setting Network Accounting for CEF to Collect Packet Numbers.................................................82
Viewing Network Accounting for CEF Statistics...........................................................................82
Viewing CEF Packet−Dropped Statistics.......................................................................................83
Viewing Non−CEF Path Packets....................................................................................................83
Disabling Per−Destination Load Sharing..............................................................................................83
Viewing the Adjacency Table on the 8500 GSR...................................................................................83
Clearing the Adjacency Table on the 8500 GSR...................................................................................83
Enabling Console Session Logging on a Set/Clear Command−Based IOS..........................................83
Enabling Telnet Session Logging on a Set/Clear Command−Based IOS.............................................84
Disabling Console Session Logging on a Set/Clear Command−Based IOS.........................................84
Disabling Telnet Session Logging on a Set/Clear Command−Based IOS............................................84
Setting the System Message Severity Levels on a Set/Clear Command−Based IOS............................84
Enabling the Logging Time Stamp on a Set/Clear Command−Based Switch......................................84
Disabling the Logging Time Stamp on a Set/Clear Command−Based Switch.....................................85
Configuring the Logging Buffer Size on a Set/Clear Command−Based Switch...................................85
Clearing the Server Logging Table........................................................................................................85
Disabling Server Logging......................................................................................................................85
Displaying the Logging Configuration..................................................................................................86
Displaying System Logging Messages..................................................................................................86
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