Figure 1-18
Packet
Input
receive
interface
(Rx)
Forwarding
processor
Packet
Output
transmit
interface
(Tx)
Block Diagram of the OC-12c/STM-4c POS Line Card
Buffer
Burst
memory
buffer
L3 switching
accelerator
Burst
Buffer
buffer
memory
Overview of the Cisco 12008
MBus
module
Silicon
queuing
engine
Switch
fabric
interface
Silicon
queuing
engine
MBus
interface
Switch
fabric
Product Overview 1-61