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BRKARC-3445
33
Cisco Catalyst 4500E Architecture
All forwarding, queuing, security is
implemented on the Supervisor
The individual line cards are
considered to be ‘transparent’
Each classic line card has 6 Gbps
(full duplex) connections to the
central forwarding engine
E-Series line cards have a 24 Gbps
(full duplex) connection to the central
forwarding engine
Typically new hardware dependent
features can be enabled just by
upgrading the supervisor
Line card specific features POE/
Flowcontrol / Jumbo Frames
Forwarding Engine
Line
Card
Line
Card
Line
Card
Line
Card
Line
Card
CPU and DRAM
Intelligent Packet
Processor
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