MAN Architecture How Cisco IT Architected Headquarters MAN A Cisco on Cisco Case Study: Inside Cisco IT Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Overview Challenge: Rapid growth and IP telephony required a new standard platform for the Cisco® desktop network in San Jose Single platform easier to manage and maintain Solution: Cisco Catalyst® 6500 Series Switch and Gigabit Ethernet Catalyst 6500 Series supports switching, routing, IP telephony Gigabit Ethernet provides greater bandwidth Results: Higher availability, lower support costs Standards reduce downtime and management costs Next Steps: New Cisco Catalyst 6500 Series modules Added bandwidth, firewall, content switching, and Secure Sockets Layer (SSL) performance based on new Catalyst 6500 Series Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Challenge: Growth and Voice Convergence Rapid Growth Cisco® experienced rapid growth; supporting multiple platforms added management costs Fiber between sites was limited, but bandwidth needs kept growing Convergence Migrating voice applications to data networks required an IP telephony ready platform Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 3 Solution: Catalyst 6500 Series Switch and Gigabit Ethernet Cisco® Catalyst® 6500 Series switch selected Provided high-speed switching at desktop Provided in-line power for IP telephony, wireless LAN Provided routing capability in hierarchical desktop network Gigabit Ethernet selected Bandwidth to spare for growth and new applications Supported with Catalyst 6500 Series line cards Dual pathing available using dark fiber in most routes on campus Backup path using vendor “GigaMAN” service where dark fiber is not available Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 4 Solution: Gigabit Ethernet on Dark Fiber Highway 237 ½ Cisco Way mile (Not to scale) an D Tasm ri ve Site 5 Zanker Avenue Number of Fibers in Use Between Buildings Sites 1, 2, and 3 Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Site 4 97+ Fibers 73-96 Fibers SBC Leased GigaMAN Cisco Public 37-72 Fibers 12-36 Fibers Cisco Building 5 Solution: Hierarchical Router/Switch Topology Cisco Catalyst® 6500 Series Switch doing Layer 3 Routing Category 5 Copper Gigabit Ethernet Fiber Gigabit Ethernet Intersite Fiber Gigabit Ethernet Intersite Leased Fiber Cisco Catalyst 6500 Series Switch Core Router MAN Backbone Connected by dark fiber Site Backbone One per MAN region 3 on main campus Distributio n Desktop Cluster One per site 7 on main campus BDF Acces s Building Distribution Frame One per building 41 in main campus IDF Site 1 Site 2 A-H I-L © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Intermediate Distribution Frame Two per floor Presentation_ID Site 3 Site 4A Site 4B Site 4C Site 5 M-P 1-7 8 - 12 13 - 19 20 - 25 6 Solution: Building Topology – Routing and Switching Cisco Catalyst® 6500 Series Switch doing Layer 3 Routing Cisco Catalyst 6500 Series Switch Category 5 Copper Gigabit Ethernet Fiber Site Backbone Desktop Cluster Hub Building Distribution Frame Building Distribution Frame HSRP HSRP RJ-45 Jacks 10/100 Mbps Switched Ethernet Intermediate Distribution Frames Intermediate Distribution Frames Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 7 Results: Benefits of the Standards Greatly improved availability Greater than 99.995 Easier troubleshooting and support Spare bandwidth to support all applications Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Next Steps: Modules on the 6500 Add Functionality 10 Gigabit Ethernet in the core between data centers for data backup Cisco® firewall services modules for additional firewall security at data centers and Internet gateways Cisco content switching modules for content switching services across hosts or data centers SSL services module for accelerated secure Web applications Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 9 To read the entire case study, or for additional Cisco IT case studies on a variety of business solutions, visit Cisco on Cisco: Inside Cisco IT www.cisco.com/go/ciscoit Presentation_ID © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 10
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