Data Center and Cloud Knowledge Base

IntroductionThis document describes the Private VLAN (PVLAN) feature and setup on UCS 1.4.1. Both the Nexus 1000V and the native VMware vDS provide support for PVLAN, independently of UCS. The UCS PVLAN feature is intended for environments that do no...

Quick guide to configuring LDAP for UCS 1.4.1i. This is not an in-depth AD configuration guide, but, should assist a knowledgeable AD admin to configure UCS properly.For more information watch this video to know about LDAP configuration in UCS.Relate...

IntroductionThis white paper will guide the user through the configuration and verification of the f-port channel and trunking with the new features provided in UCS 1.4.1. It will show configurations required on both the UCS and MDS side. Also includ...

UCSM implements Gracefully OS shutdown with ACPI.When performing Gracefully OS shutdown, UCSM sends ACPI signal to OS.That is, it's OS side that decides action after that.If OS ignores or does not support ACPI, OS won't be shut down though clicking G...

On UCS C250, after upgrading BIOS version from 1.1 to 1.2 or later, one or both onboard NICs might be down.The reason is that onboard NIC in BIOS setting becomes disabled.To resolve this issue, please enable the onboard NIC via BIOS setting.If BIOS v...

ESX/ESXi won't boot up correctly when there is no available NIC that ESX/ESXi can support.At that time, "Failed to load lvmdriver" is output and ESX/ESXi moves to recovery mode.On UCS C250, all NICs may be disabled after BIOS upgrade, and this proble...

Hi at all,I have a Question about the Preposition.Is it possible to make a Preposition with WAE´s in Directed Mode? Or only with WAE in Legacy Mode?I have some WAE 674 in the branches and tow 7341 in the Datacenter.Thanks for your helpAndreas

Exam :  Cisco 642-975 Title :  Cisco Data Center Application Services Implementation1. NetQoS adopts the method of performance priority to manage the network infrastructures, which main functions does it provide?(Select all appropriate) A. The end-to...

The following content  is taken from the Cisco  Press book NX-OS   and Cisco Nexus Switching: Next-Generation Data Center Architectures,  by Kevin Corbin, Ron Fuller, and David  Jansen.Cisco built the next-generation data  center-class operating  sys...

Introduction The Problem Possible Solutions Related Information  Introduction The purpose of this document is to present two scenarios in deploying GSS and ACE to achieve least loaded GSLB that is linked to the amount of current connections on ACE VI...

Server Virtualization adoption is growing  rapidly in today’s data centers. Server virtualization enables single  physical server to host multiple virtual machines, allowing cost savings  in terms of fewer  servers bought as well as power and cooling...

The UCS has a method of verifying that the hardware installed is supported and marking unsupported hardware as such.  There is a catalog that is included in the firmware that lists the valid and supported hardware and the system collects inventory in...

Introduction Related Information   Introduction       Lucien Avramov is a Customer Support Engineer at the Cisco Technical Assistance  Center. He currently works in the data center switching team supporting  customers on the Cisco Nexus 5000 and 2000...

Prior to UCS release 1.3(1c) it was possible for a warm reboot of an OS to cause spurious DIMM errors on the B250 blades and those errors would be incorrectly reported by UCSM and the CLI.  A warm reboot is defined a reboot where the OS is restarted ...

test