Posts Tagged ‘DCB’

VMware NSX Service Composer: Advanced Security & Micro-segmentation

Monday, March 16th, 2015

NSX Security Groups
In a prior blog, Firewalling & Micro-segmentation with VMware NSX, I discussed some of the basics of firewalls and micro-segmentation with VMware NSX. In this blog, I’ll introduce how security groups via NSX Service Composer can be used with VMware NSX to further enhance the micro-segmentation and security capabilities. (more…)


Network Virtualization with Dell and VMware NSX [Video]

Thursday, August 28th, 2014

Check out my latest Dell Networking video on Network Virtualization with Dell and VMware NSX. You can view it on the Dell VMware wiki site, the Dell YouTube channel, or see the video embedded below via direct link. (more…)


FCoE Transit with the Dell PowerEdge M I/O Aggregator Blade Switch

Thursday, August 1st, 2013

PowerEdge M I/O AggregatorThe Dell PowerEdge M I/O Aggregator (IOA) blade switch is pretty cool. It looks similar to the Dell MXL blade switch and even uses the same FlexIO modules in its two FlexIO module slots. As with the Dell MXL switch, it also has 32 internal ports for blade servers. The main difference from the MXL switch is that the IOA is a layer 2-only switch meant to be deployed as-is or ‘zero-touch’ from the engineer. It is geared more towards the server admin rather than the network admin as it requires little network configuration knowledge and is pretty much plug-and-play! In this blog I talk specifically about FCoE transit on the Dell IOA blade switch [FTOS]. (more…)


Buying a Converged/FCoE Switch?

Saturday, May 11th, 2013

I felt the urge to write this article after receiving several inquiries about buying used Cisco Nexus 5010 and Nexus 5020 switches because they are available on some third-party site at large discounts – at least compared to the new Cisco Nexus switches. First, let me mention that both of these switches are EOL. Second, as I always say, whether the switch will work for you or not will depend on your network requirements. Let me mention a few things here to take into consideration when looking at some of these old EOL switches when the thought of saving some $$$$ overwhelm you. (more…)


Understanding and Implementing Flow Control on Dell Force10 Switches

Monday, January 28th, 2013

Ethernet flow control allows for a receiving node to temporarily stop the transmission of data from the sending node. As defined by IEEE 802.3x this is accomplished via the PAUSE frame. (more…)