cisco asr 9000 architecture - noc.twaren.net
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Cisco ASR 9000 Architecture
2016/7/1
ASR 9000 Next-Gen Edge Routing Platform
• Architectural Design for Longevity• Product Portfolio with significant
HW and SW commonality • Highly integrated Network
Processors for High Speed Scale and Feature Flexibility
• Cisco IOS XR based : Truly modular, full distributed
OS Enhanced for the Edge (L2 and
L3)
ASR9912
ASR9922
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ASR 9000 Chassis Overview
Edge Linecard Silicon Slice Evolution
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ASR 9010 and ASR 9006 ChassisIdentical HW components across two chassis*
Integrated cablemanagement
with cover
RSP (0-1)
Line Card(0-3, 4-7)
System fan trays
2 Power shelves6 or 8 PS
Front-to-back airflow
System fan trays
1 Power Shelve3 or 4 PS
RSP (0-1)
Line Card(0-3)
Air draw
Side-to-back airflow
cablemanagement
* Fan tray is different
ASR 9912 Large Scale Chassis
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Control Processors (RP and RSP)
ASR 9000 Route Switch Processor(RSP)
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ASR 9900 Route Processor
RSP440 Faceplate and Interfaces
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RSP 440
RSP440
Switch fabric ASIC reside on the RSP blade physicallySwitch fabric ASIC is controlled by low level hardware, it operates separately from RSP functionAll fabric ASIC run in active mode regardless of the RSP statusRSP SW switch over, reload, crash including kernel crash have NO impact on fabric operation RSP OIR has no traffic impact due to long/short pin backplane design and instant fabric switch over
Short pin trig the control signaling for fabric switchover in hardwareLong pin is used for data packet. It can continue draining the in-flight packets from the fabric during the extended short period of time
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Modular SPA Linecard
ASR 9000 Ethernet Line Card Overview
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ASR 9000 Typhoon Linecards
Typhoon Line Card Architectures
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Tomahawk Line Card
Tomahawk Line Card Architectures
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RSP440 switch Fabric Overview
ASR 9922 Fabric Architecture : 5-plane System