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

Sunday, 14 August 2016

Difference between POE, POE+ and UPOE

Below is the quick summary of the differences between POE,POE+ and UPOE. POE is the oldest standard for the devices which can be powered...

Thursday, 4 August 2016

RJ45 to RJ45 Console Cable

I saw there is RJ45 to RJ45 console cable is available on Cisco site. It has RJ45 connector at both the ends. It looks like this:- ...

Monday, 1 August 2016

Cisco EOL SFP's and its replacement

Cisco has announced EOL notification for many SFPs. Below are the few common Cisco SFPs and their replacement.

Baby Gaint Frame Vs Jumbo Frame...

Frames which are up to 1600 Bytes are called as Baby Gaint. Ethernet frames from 1600 to 9216 Bytes are known as Jumbo frames.

Sunday, 21 December 2014

OSPF configuration example on Nexus switches

Below is the OSPF configuration example on Nexus switches. Here OSPF is enable on the directly connected interface between 7K switches. ...

EIGRP configuration example on Nexus 7K switches

Below is the EIGRP configuration example on Nexus switches. Here EIGRP is enable on the directly connected interface between 7K switches. ...

Saturday, 6 December 2014

Nexus - HSRP Configuration example

Below is the HSRP configuration example. Below is the HSRP configuration example. N7K-1:- feature hsrp feature interf...

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