Welcome to the Cisco Networking Professionals Ask the Expert conversation. This is an opportunity to learn about the deployment and technology of Unified Compute System (UCS) with Mike Frase. Mike is one of 16 Cisco Distinguished Support Engineers. Mike joined Cisco in 1994 as one of the first CCIE certified Escalation Engineers in the Cisco Technical Assistance Center. He has provided leadership in many new technology areas including storage area network technologies, for which he acquired his second CCIE certification in Storage Networking. More recently he has led the way in NX-OS support for technical services teams worldwide, and he is currently specializing in data center/consolidated IO architectures and designs. Mike holds CCIE certification #1189 and is also a VmWare Certified Professional.
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The Package bundle for the UCS upgrades is a package, Fabric interconnects, IOM modules, UCSM , Interface cards & CIMC all require upgarde at same time, only part of package that can be done independent is the BMC BIOS that can be applied via firmware policies for the Service Profile
let me start by asking some basic stuff: if I'm using B-series UCS (chassis with Fiber Interconnect etc) on one side and there is a big storage on another side will it be necessary to use Nexus switch(es) in the middle or I can connect this directly? Can you give me some benefits why should my customer go with Nexus?
You can connect the Ethernet uplinks on the Fabric Interconnects to any northbound 10GB Ethernet switch. 1GB support was also just added with the 1.3 code but I would not recommend you go that route as you will need to bundle several together to get enough bandwidth to support all of the server blades. Using Nexus 5000s to uplink the Fabric Interconnects to give you a nice 10GE/FCoE aggregation point for UCS and any other 10GE device like rack mount servers with CNAs. A pair of Nexus 5000s also would give you the ability to create vPCs (similar to multi-chassis EtherChannel) for the Fabric Interconnect uplinks.
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