Archive for November, 2014

Cumulus Linux on Dell Networking Switches

Sunday, November 16th, 2014

Dell Networking S6000 with Cumulus LinuxIt’s pretty cool that Dell allows its customers to install other network switch OSes on their networking switches; it’s the only major networking hardware vendor in the industry that allows for this. Other networking hardware vendors tie their proprietary network switch OS to the networking hardware they sell. Two Dell switches you can currently buy that support operating systems by other vendors are the Dell S6000-ON switch and the Dell S4810-ON switch. These Dell Networking switches come installed with the Open Network Install Environment (ONIE). ONIE is open source and defines an open “install environment” for bare metal network switches allowing customers to install their choice of OS. (more…)

Twitt

Dell Networking and VMware NSX: Bridging Between Logical & Physical Networks

Wednesday, November 5th, 2014

In a prior blog, Creating Logical Networks and Services with VMware NSX on Dell Infrastructure, I discussed how easily VMs can be moved from physical (VLANs) to logical networks (Network Virtualization Overlays or NVOs). In practicality, there will almost always be some physical resources on a network that are not virtualized or remain on the physical network (VLANs). So how can VMs on a logical network communicate with resources on the physical network?

One method of communication can be done with the VMware NSX L3 Edge Services Router. However, if you want to just bridge between the logical and physical entities such as bridging between VXLAN to VLAN, the VMware NSX L2 Gateway can be used and this specific use case is discussed in more detail in this blog. (more…)

Twitt

Customize the Mac Terminal Shell Prompt in OS X Yosemite

Monday, November 3rd, 2014

The Mac prompt is defined by the ‘PS1′ environment variable which can be defined in the ‘.bash_profile’ hidden file. To customize your Mac Terminal Shell Prompt in OS X Yosemite, follow the below steps. (more…)

Twitt