Juniper Networks M-Series Compact Forwarding Engine Board System and Switch Board, MB Ssram, Fpc

M-series Routing Platforms

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Forwarding and	M7i, M10i CFEB	M20 SSB
Switch Interface	Compact Forwarding Engine Board	System and Switch Board
Boards	• M7i router	• 25.6-Gbps throughput (12.8-Gbps full duplex)
	• 8.4 Gbps throughput rate (4.2-Gbps full duplex)	• One Internet Processor II ASIC for 40-Mpps packet lookup
	• Optional Adaptive Services Module	• Two Distributed Buffer Manager ASICs for coordinating pooled, single-stage buffering
	• M10i router	• 33-MHz PCI bus, which connects the PowerPC 603e processor and the Internet
	• 12.8-Gbps throughput rate (6.4-Gbps full duplex)	Processor II ASIC
	• Does not support Adaptive Services Module	• 512-KB boot flash EPROM (programmable on the board)
	• 266-MHz CPU and supporting logic	• Optional redundancy
	• Internet Processor II-based ASIC for 16-Mpps packet lookup	• 16-MB Version
	• Two enhanced I/O Manager ASICs	• PowerPC 603e processor running at 266 MHz for handling exception packets
	• Parsing, prioritizing, and queuing of packets	•	16-MB SSRAM
	• 4-MB parity-protected SSRAM per I/O Manager ASIC	•	256-MB DRAM
	• 8-MB SSRAM for forwarding tables associated with
	ASICs
	• 200 ms of delay-bandwidth buffering
	• Two 512-KB boot flash EPROM (programmable on the board)

M40e SFM		M320 SIB
Switching and Forwarding Module		Switch Interface Board for interconnecting FPCs
• 51.2-Gbps throughput (25.6-Gbps full duplex)		• Four required per M320 chassis; all four active
• One Internet Processor II ASIC for 40-Mpps aggregate packet		• 80-Gbps throughput per SIB, 320 Gbps throughput per system
lookup		• Processor subsystem 300-MHz CPU
• Two Distributed Buffer Manager ASICs for coordinating		•	System controller
pooled, single-stage buffering		•	256-MB DRAM
• 256-KB parity-protected Level 2 cache		•	Two Fast Ethernet interfaces
• Optional redundancy
• 16-MB Version
•	PowerPC 603e processor running at 266 MHz
•	16-MB parity-protected SSRAM
•	256-MB parity-protected DRAM

FPC	M20	M40e
	• 3.2-Gbps full-duplex throughput per FPC	• 3.2-Gbps full-duplex throughput per M40e-FPC, M40e-FPC1, and M40e-FPC2
	• Enhanced I/O Manager ASIC	• Two Packet Director ASICs for dispersing and balancing packets across the enhanced
	• Parsing, prioritizing, and queuing of packets	I/O Manager ASICs
	• 2-MB parity-protected SSRAM per I/O Manager ASIC	• Two enhanced I/O Manager ASICs
	• 200 ms of delay-bandwidth buffering per FPC	• Parsing, prioritizing, and queuing of packets
		• 2-MB parity-protected SSRAM per I/O Manager ASIC
		• 200 ms of delay-bandwidth buffering per FPC
	M320
	• 4-Gbps full-duplex throughput per M320-FPC1
	• 16-Gbps full-duplex throughput per M320-FPC2
	• 20-Gbps full-duplex throughput per M320-FPC3
	• Layer 2 / Layer 3 Packet Processing ASICs
	• Switch Interface ASICs
	• Internet Processor ASICs
	• Memory subsystem, including Queuing and Memory Interface
	ASICs
	• Processor subsystem