新进化论

摘要： 在vSphere的设计案中，实质上，有大量的关键都在vSwitch和Load Balancing Policy这边，可以这样说：针对这个部分的设计，关系到整个虚拟数据中心的性能问题，经验来看，很多设计的败笔都在这边，也很少设计详细解读这个。所以，这里我们针对这个部分做一个简单的解读，以作抛砖引玉之举； 根据猫猫作为讲师多年的接触来看，绝大多数的人在选择Load Balancing Policy的时... 阅读全文

摘要： VMware's vSphere 4 brings a number of new vSphere networking features to the table, including tighter VM traffic management and control with the vNetwork Distributed Switch (vDS) , as well as support ... 阅读全文

摘要： Perhaps one of the most common types of problems we encounter here at VMware Technical Support is relating to loss of network connectivity to one or more virtual machines on a host. As vague and simp... 阅读全文

摘要： Troubleshooting Network Teaming Problems with IP Hash Posted onMarch 5, 2013byMike Da Costa Last week, Ished some lighton the challenges having multiple Vmkernel ports in the same subnetcan cause. To... 阅读全文

摘要： load balance的方式有多种 只应用于出去的流量的负载均衡，进入的流量需要交换机设置。 如果是基于IP hash，那么 交换机需要配置etherchannel bond,又称作port channel,HP成为trunk 否则会出现MAC flapping. IP hash和etherchannel的限制： ESX和ESXi上的IP hash teaming只支持连接在一个物理交换机上... 阅读全文

摘要： Network interface card (NIC) teaming means grouping several NICs into a single NIC. If properly configured, NIC teaming on VMware ESX provides both inbound and outbound load balancing for your guest v... 阅读全文

摘要： VMware NIC Teaming技术探讨 首先，说明几个知识要点：(1) 所有3种类型的VMware网络都支持NIC Teaming （复习提问：哪3种类型？答：VMkernel, Service Console和VM port group）(2) uplink连接到那些物理交换机的端口都必须在同一个Broadcast domain中。（也就是必须在同一个VLAN中，不能跨路由）(3) 如果... 阅读全文

摘要： NIC Teaming技术将2个或更多个网卡(HP NIC Teaming最多可达8个)捆绑在一起使用，以达到增加总的带宽(Load Balance，负载均衡)或者线路容错(Fault Tolerance)的目的。由2个或多个网卡组成一个逻辑网络端口Teamport，IP地址和网络设置绑定在这个逻辑的Teamport上，这样，无论哪一个物理网卡或者其相连的链路单独出现故障，Teamport还是能正... 阅读全文

摘要： I wanted to test a nested ESXi in 5.1. Officially it’s still not supported but it can be very useful for testing purposes in a lab environment.A lot of HOWTO’s can be found and most of this write up i... 阅读全文

摘要： Summary: - Format: Self-Paced - Length: 1 Hours Overview: This free eLearning course explores new features in VMware vCenter Server™ 5.1 and VMware ESXi™ 5.1. Objectives:By the end of the course, y... 阅读全文

摘要： http://mylearn.vmware.com/mgrreg/courses.cfm?ui=www_edu&a=one&id_subject=40085 Summary: - Formats: Classroom, Live Online, vFlex-ILT, Onsite - Length: 5 Days Overview: This intensive, extended-ho... 阅读全文

摘要： Summary: - Formats: Classroom, Live Online, vFlex-ILT, Onsite - Length: 5 Days Overview: This training course, for experienced VMware vSphere® personnel, teaches advanced skills for configuring a... 阅读全文

摘要： Summary: - Formats: Classroom, Lab, Live Online, vFlex-ILT, Onsite - Length: 5 Days Overview: This hands-on training course explores installation, configuration, and management of VMware vSphere®... 阅读全文