Table of Contents
Chapter 3: WAN Switching
BPX 8600 Series Wide−Area Switches..........................................................................................58
MGX 8800 Series Wide−Area Edge Switches...............................................................................59
WAN Switch Hardware Overview........................................................................................................59
Cisco WAN Switch Network Topologies..............................................................................................60
Network Management............................................................................................................................61
The CLI...........................................................................................................................................61
WAN Manager................................................................................................................................61
Accessing and Setting Up IGX and BPX Switches...............................................................................62
Adding New Users..........................................................................................................................62
Displaying a User’s Password.........................................................................................................62
Changing a User’s Password...........................................................................................................62
Using the History Command...........................................................................................................63
Displaying a Summary of All Card Modules..................................................................................63
Displaying Detailed Information for a Card Module......................................................................63
Displaying the Power and Temperature of a Switch.......................................................................63
Displaying the ASM Statistics for BPX..........................................................................................63
Configuring the ASM Setting for BPX...........................................................................................63
Logging Out....................................................................................................................................63
Resetting the Switch........................................................................................................................63
Displaying Other Switches..............................................................................................................64
Setting the Switch Name.................................................................................................................64
Setting the Time Zone.....................................................................................................................64
Configuring the Time and Date.......................................................................................................64
Configuring the Control and Auxiliary Ports..................................................................................64
Modifying the Functions of the Control and Auxiliary Ports.........................................................64
Configuring the Printing Function..................................................................................................64
Configuring the LAN Interface.......................................................................................................64
Accessing the MGX 8850 and 8220......................................................................................................65
Adding New Users..........................................................................................................................65
Changing Passwords........................................................................................................................65
Assigning a Switch Hostname.........................................................................................................65
Displaying a Summary of All Modules...........................................................................................66
Displaying Detailed Information for the Current Card...................................................................66
Changing the Time and Date...........................................................................................................66
Displaying the Configuration of the Maintenance and Control Ports.............................................66
Displaying the IP Address...............................................................................................................66
Configuring the IP Interface............................................................................................................67
Displaying the Alarm Level of the Switch......................................................................................67
Chapter 4: LAN Switch Architectures............................................................................................................68
In Depth.................................................................................................................................................68
The Catalyst Crescendo Architecture....................................................................................................68
BUS.................................................................................................................................................68
ASICs..............................................................................................................................................69
The Crescendo Processors...............................................................................................................71
Crescendo Logic Units....................................................................................................................71
Other Cisco Switch Processors, Buses, ASICs, and Logic Units..........................................................72
CAM................................................................................................................................................72
AXIS Bus........................................................................................................................................72
CEF ASIC........................................................................................................................................73
Phoenix ASIC..................................................................................................................................75
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