Networklearner

I am a network professional with over 18 years of experience in enterprise and data‑center networking. I am a CCIE Data Center certified engineer with strong hands‑on expertise in Cisco Nexus and Cisco ACI design, deployment, troubleshooting, and operations. I work on production ACI fabrics and am available for Cisco ACI and Nexus freelancing or consulting work. Contact: rockingoa@gmail.com

Thursday, 4 December 2014

VPC - Back-to-Back configuration example

Below is the VPC Back-to-Back configuration example. N7K-1:- Step1:- Enable Feature VPC N7K-1(config)# fe...

Monday, 27 October 2014

What is Zoning - Storage 12

Zoning is way to restrict the communication between the initiator and the targets. By using Zoning only assigned target is visible to the ...

Port Types - Storage 11

Below are most common port types in storage. 1. N-Port (Node Port):- Port on the end host device like storage (target) or se...

Sunday, 26 October 2014

Fibre channel Addressing - Storage 10

1. World Wide Node Name (WWNN):- Sometimes it is also called as NWWN (Node World Wide Name).It is an 8-byte address used to identify d...

VTP type-2 configuration incompatible error in Cisco Nexus switch

If we get VTP type-2 configuration incompatible error in show VPC brief command as shown below. N7K-6-2(config)# show vPC brie...

Sunday, 12 October 2014

Fabric Login Process - Storage Basics-9

Below are the three login processes which are responsible for the creation and maintenance of communication link between initiator and tar...

Disk Subsystem Components - Storage Basics-3

Every intelligent Disk subsystem consists of the below components. 1. SAN:- Server can be connected either directly to the disk...

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