Archive for August, 2013

Understanding Cisco Nexus 2000 Series Fabric Extenders

Tuesday, August 13th, 2013

Cisco Nexus 2248PQ Fabric Extender

Cisco Nexus 2248PQ Fabric Extender

Cisco Nexus 2000 Series Fabric Extenders (FEX) behave and can be considered as remote line cards for Cisco Nexus switches. The fabric extender acts as an extension to the parent Cisco Nexus switch fabric; the fabric extender and the parent Cisco Nexus switch together form a distributed modular system. With this architecture, the fabric extender typically is at top-of-rack (ToR) with the parent Cisco Nexus switch at end-of-row (EoR). (more…)

Twitt

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 8.3.17.4]. (more…)

Twitt