【正文】 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 63 IT Electricity Use Outside the Data Center 55% Data Center Electricity Use 45% Environmental Concerns and Regulations ? New Obama administration’s $787 billion stimulus package ? China reduces energy per unit GDP by 20% from 20222022 ? EU “202020” reduces GhG by 20%, use 20% renewable energy by 2020 ? California set GhG (Greenhouse gases) emission cap to 1990 levels by 2020 Climate Change Is a High Political Priority IT Equipment 25% Heating, Cooling and Ventilation 58% Lighting 11% Other 6% Source: UK Energy Efficiency Best Practice Program。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 48 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 32 169。 Availability Features ? Dual hotswappable power supplies (*) ? Redundant fan modules ? Two management port options – RS232 serial console port – 10/100BASETX Ether port for outofband management (The management station can be a few hops away from switch) ? L2 (IP Base) and L3 (IP Services) options ? IPv4 and IPv6 options ? Front to Back Air Flow 300W FRU dual power supplies (AC/DC/AC+DC) Four FRU Fan Modules Console and Ether Management Ports Rear View 169。 2960 LAN Base Switches Cisco Catalyst 2960 LAN Lite Switches GLCLHSM= Yes Yes GLCSXMM= Yes Yes GLCZXSM= Yes No GLCT= Yes* Yes GLCBXD= GLCBXU= Yes No GLCGE100FX= GLCFE100FX= Yes* Yes GLCFE100LX= Yes No GLCFE100BXD= GLCFE100BXU= Yes No CWDM SFPs Yes No 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Public Presentation_ID 3 Catalyst Switching Portfolio Number of Employees/Density Features, Scalability, Longevity Catalyst 2960 Catalyst 2975 Catalyst 4500 Catalyst 6500 Blade Switches Nexus 7000 Catalyst 4900M Catalyst 4900M Catalyst 3750 Catalyst 3750 E Catalyst 3560 Catalyst 3560 E Catalyst 4500 Catalyst 6500 Catalyst 4948 Catalyst 6500 Small Mediumsized Large Nexus 5000 IE3000 169。 2 SFP uplink ports Cisco174。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential C9744248700 12 Stacking Comparisons ? Layer 3 support is the difference between Catalyst 3750 StackWise and Catalyst 2975 ? Same unified stack management on Catalyst 2975 and Catalyst 3750 StackWise Partners and customers do not need to learn new stacking technology ? Cannot stack Catalyst 2975 with Catalyst 3750 or 3750E Catalyst 2975 Catalyst 3750 StackWise Stack Bandwidth 32G 32G Dynamic Load Balancing Yes Yes Device Limit 9 units 9 units Management Single IP address, SNMP, SYSLOG Single IP address, SNMP, SYSLOG Configuration Single config and CLI, auto image and config update Single config and CLI, auto image and config update Show and debug mands Unified Unified Single forwarding and control plane Synchronize ARP, MAC Address, IGMP, VLAN tables Synchronize ARP, MAC Address, IGMP, VLAN, Routing tables Crossstack features Yes Yes Single STP bridgeID Yes Yes Redundancy Stack master 1:N redundancy Stack master 1:N redundancy Stack convergence Few milliseconds Few milliseconds Stack QoS Applied on ingress Applied on ingress 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 24 Catalyst 4900M Half Cards Catalyst 4900M Hardware Overview 4900M Base Unit 8 10GE Ports (Wire Speed) 20 Port 10/100/1000 (wire speed) 8 Port 10GE (X2 or TwinGig) (2:1) 4 Port 10GE (X2) (wire speed) ?320Gbps, 250Mpps ?2RU ? IP Base Image Only ? 1+1 AC or DC pwr ? FRU fan (hot swappable) ?16MB Shared Buffer ?Sub 5 Micro Second Latency Half card slot Half card slot 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 37 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 53 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 67 Cisco EnergyWise ? Measure power of connected devices ? Energy cost saving ? Intelligent control 100 W 100 W Bldg 19 Bldg 18 7 W 7 W 7 W 60 W 15 W 300 W 575 Watts 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 59 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 43 169。 2022 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID 27 169。 other settings), fix for the reboot issue ? Increased Flash 32MB Flash to acmodate backup IOS image ? Better Cable management Uniform depth of ” across all the SKUs Catalyst 3560 v2 Series New Cisco Catalyst 3750 v2 Series and Catalyst 3560 v2 Series Switches 169。 2960 8 10/100 1 10/100/10