Archive for December, 2010

Cisco UCS criticism and FUD: Answered

Filed in Cisco UCS, Featured, FUD, NIV by on December 31, 2010 62 Comments
Cisco UCS criticism and FUD: Answered

One of my readers recently submitted a comment asking me to respond to some criticisms he frequently hears about Cisco UCS.  This is a pretty typical request I get from partners and perspective customers, and its a list of stuff I ‘ve seen many times before, so I thought it would be fun to address […]

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Routing over Nexus 7000 vPC peer-link? Yes and No.

Filed in Design Diagrams, Nexus, Routing, vPC by on December 16, 2010 73 Comments
Routing over Nexus 7000 vPC peer-link? Yes and No.

This is a Nexus 7000 design question that comes up from time to time: In a Nexus 7000 Vpc environment, how can I form a layer 3 adjency between the two switches. Lets say I want to run OSPF and want to create two SVIs on the two switches connected via Vpc, Will the neighborship […]

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Great questions on FCoE, VN-Tag, FEX, and vPC

Filed in FCoE, FEX, Nexus, NIV, Q&A, vPC by on December 9, 2010 42 Comments
Great questions on FCoE, VN-Tag, FEX, and vPC

I received some really good questions about FCoE, VN-Tag, FEX, and vPC from a reader named Lucas.  Although I had 10 other things to do, I just couldn’t resist highlighting these questions, and my answers, in a new post that I thought my readers would enjoy! Brad, You have amazing information about Nexus and UCS […]

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Cisco UCS Fabric Extender (FEX) QoS

Filed in Cisco UCS, FCoE, FEX, NIV, Q&A, QoS by on December 8, 2010 14 Comments
Cisco UCS Fabric Extender (FEX) QoS

What is the role of the fabric extender (FEX) in Cisco UCS QoS? This question was posted as a comment to my recent article VMware 10GE QoS Design Deep Dive with Cisco UCS, Nexus — as well as here, at the Cisco Support community forums. Brad: A comment to test my understanding and then a […]

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Cisco Nexus 7000 connectivity solutions for Cisco UCS

Filed in Cisco UCS, FabricPath, FCoE, Nexus, Switching by on December 1, 2010 10 Comments
Cisco Nexus 7000 connectivity solutions for Cisco UCS

Last summer I was invited by the Nexus 7000 product management team at Cisco to help co-author a whitepaper covering general guidelines and best practices for network integration of Cisco UCS with Cisco Nexus 7000.  The idea was to take a lot of the content already presented in my video series Cisco UCS Networking Best Practices (in […]

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