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

 

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