Be it tax-credits/subsidies in different parts of the world or the recent news of California setting up a carbon trading exchange – no week passes by without the mention of “the importance of saving energy” or “reducing greenhouse gases”. Yet, with the explosion of technology and IP-connected devices; IT consumes over 25% of energy in a commercial building or office.

So why am I writing about this in a Cisco blog and what has this got to do with networking?

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Tags: 3560, 3750, 4500, CA Technologies, capex, catalyst, Catalyst 4500, cdn, Cisco Developer Network, Energywise, Fast-Start, How to save energy for your business, IOS, Joulex, Nimsoft, PoE+, UPOE, Verdiem

What are Rolling Stack Upgrades (RSU) and In-Service Software Upgrades (ISSU) and how should you use them? In this blog post, let’s take a look at the basics of network software high availability.

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Tags: catalyst, Demystify the Catalyst, eFSU, HA, High Availability, In-Service Software Upgrade, ios basics, ISSU, Rolling Stack Upgrade, RSU, Switching 101, upgrading fixed switches, zero down time

The Global Certification Team (GCT) is pleased to announce the Cisco Catalyst 4900M on IOS version 15.1(1)SG or later has received USGv6 Certification from University of New Hampshire – Interoperability Laboratory. The UNH-IOL uses this collaborative testing model to distribute the cost of performing trusted, third-party testing and validation. USGv6 testing covers 27 categories of USGv6 NPD tests. You can find the listing for Conformance testing v1.2 (12424) at the UNH Interoperability Lab.  Additionally, the 4900M has also achieved Ready Logo certification.  the details can be found at https://www.ipv6ready.org/db/index.php/public/logo/02-C-000841/.

The Catalyst 4900M provides an ideal solution for space constrained deployments that require high performance wire speed services, high availability, and the modular flexibility of deploying Gigabit Ethernet and 10 Gigabit Ethernet, all in a small 2RU form factor.  You can find more information on the Cat4900M on Cisco.com

Get up to the minute updates on Cisco product certifications from the official GCT twitter,@CiscoCertTeam!

Tags: 4900M, cat4k, catalyst, GCT, logo, ready, USGv6

Discussions about switching almost always seem to be restricted to either the campus or the datacenter. While these are obviously very critical, there is a segment that is often overlooked: switching outside the wiring closet.

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Tags: catalyst, catalyst switch, PoE passthrough, PoE+, switching

This morning we have a very special treat – Networking Field Day 4 is stopping by Cisco!

Last night I got to meet a bunch of the delegates (fancy name for bloggers) and am pretty excited as they’re a great group of Field Day veterans and new folks.  I think the lineup of talks will be fun for them, and I’m hoping we’ll get a good, solid discussion going.  Plus, one of the delegates has agreed to wear a kilt. 

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Tags: #NFD4, asr, Bloggers, campus switching, catalyst, Cloud Connectors, Enterprise Routing, ISR G2