【正文】 9。 2022 Cisco Systems, Inc. All rights reserved. μk μk μk μk Control Plane Data Plane Management Plane BGP ISIS RIP OSPF PIM IGMP QoS FIB LPTS ACL PRI L2 Drivers CLI XML Alarm Netflow SNMP SSH Distributed Middleware “Always On” InService Software Upgrades ? Control, Data and Management plane separation ? Transparent, fully distributed processing to optimize resources ? Granular (process level) inservice upgrades ? Processes can be started, stopped and upgraded on active RP 55 169。 2022 Cisco Systems, Inc. All rights reserved. NGN_0401 Continuous System Operation Cisco Confidential 56 169。 2022 Cisco Systems, Inc. All rights reserved. IOS XR Carrier Class High Availability Built for NonStop Operations ? Graceful Restart Shipping: OSPF (Cisco), ISIS, BGP, LDP, RSVPTE, Multicast Futures: OSPF (IETF), OSPFv3, Grace Restart independent NSF ? Line Card Redundancy Shipping: 1+1 SONET/SDH APS Future: Link Bundling, Transparent APS ? HA Components Shipping: IOS XR, MPLS TE FRR Future: BFD ? Software Upgrades Shipping: ISSU (Patching), SMU Future: MDR (Inservice Forwarding Engine Upgrades) Hardware Design: Redundancy (Fabric, Power, Thermal, Route Processor, Line Card), High MTBF, Distributed Forwarding, Online Insertion Removal (OIR), Parity or Error Correcting Memory, Fault Insertion Testing NonStop Forwarding ISSU In Service Software Upgrade +% Service Availability Process Restartability with Active State Checkpointing Protected Memory Processes Memory faults affect only 1 process Software Design: Highly Modular, Separation of Control, Data, Management Planes, Fault Management, MicroKernel, Packaging Model Cold 57 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco XR 12022 and 12022 Product Family Evolution with Investment Protection XR 120xx Series and 120xx Series ? Core amp。 Edge Application ? capacity, sw upgradeable to 10G supported in (33)S ? Chassis: 6,10, and 16 slots ? ISE services ? 80Gbps System Capacity XR 124xx Series and 124xx Series 320 640 System Capacity XR 128xx Series and 128xx Series 40G/slot Fabric, 20G Eng LC ? Core amp。 Edge Application ? 40Gperslot capacity ? Chassis: 10, 16 slots ? nx10G support, all other 12022 LCs including ISE ? System Capacity ? Core amp。 Edge Application ? 10Gperslot capacity, HW upgradeable to 40G ? Chassis: 4, 6, 10, 16 slots ? ? 320Gbps System Capacity 160 40 80 20G Per slot Capacity 58 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco 12022 Series Inter Routers Distributed Architecture Maintenance Bus ? ? ? ? ? ? Crossbar Fabric Line Card Route Processor Line Card Line Card Line Card Line Card Line Card Route Processor Cisco 12022 Series Advantages ? Dedicated forwarding and feature processing per line card ? Supports both edge and coreoptimized line cards ? No interdependencies between line cards ? Avoid systemwide failures and performance degradation ? Result: Sustained performance as more line cards added and features enabled 59 169。 2022 Cisco Systems, Inc. All rights reserved. ? Best in the class Route Processor for core and edge deployments ? Better performance for: Route Convergence, Config Loading, ACL pilation, Bootup Power PC CPU 2x cache memory for main tasks performance boost 30100% performance improvement over PRP1 ? More scalable: up to 4G route memory 2GB SDRAM default ? Storage Options: PCMCIA Flash (1GB default, 512MB option) 1GB internal Compact Flash (optional FRU) 40G hard drive (optional FRU) ? Gigabit Ether management port The port is intended for management purposes. Forwarding will be disabled by default due to security implications ? BITS ready Redundant BITs Inputs Bits Requires supporting Fabric GigE Cons/Aux 2x10/100 BITS i/f 2xPCMCIA IOS XR PRP2 Overview XR PRP2 Available Today 60 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco 12022 Series IP Services Engine Only platform to help service providers achieve objectives for the HighEnd Provider Edge Address growth through scalability Distributed architecture 10G uplinks Highspeed interfaces such as ChOC48 Offer revenue generating services High performance feature set Per Customer QoS Reduce capital and operational costs Less equipment needed to support more customers Multispeed channelization and dynamic provisioning 61 169。 2022 Cisco Systems, Inc. All rights reserved. IP Services Engine (ISE) Forwarding Engine Components Rx Packet Processor Rx Queue Manager Line Card CPU Tx Queue Manager Tx Packet Processor CPU Memory Forwarding Table Packet Buffer Forwarding Table Packet Buffer Switch Fabric Interface Physical Line Interface Switch Fabric 62 169。 2022 Cisco Systems, Inc. All rights reserved. What is the Cisco XR 12022? IOS XR is the ?glue‘, delivering HA, scale, core and edge services with mon management and user interface for Cisco Service Provider Routing Systems (Single and Multi Chassis to 40G+) IOS XR Software CRS1 XR 12022 Silicon (Forwarding Engines) 40G ISE 10G ISE ISE Service Engines Services (Deep Packet Inspection) vFW, SBC XR 12022 ? IOS XR Software ? Cisco 12022 Chassis ? IP Services Engine (ISE) Line cards ? PRP2 Route Processor ? Packet Service Engine XR 12022 bines the Innovation of the IOS XR with Investment Protection for the Cisco 12022 Series 63 169。 2022 Cisco Systems, Inc. All rights reserved. Agenda ?CRS1 and Cisco XR 12022 overview ?Cisco 7600 Overview ?Cisco Interface Flexibility (IFlex) Design 64 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco 7600 系列 在網(wǎng)絡(luò)邊緣實(shí)現(xiàn)動(dòng)態(tài)三網(wǎng)合一 CISCO 7600推動(dòng)網(wǎng)絡(luò)邊緣發(fā)展