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Greg Rasner

Program Manager

Cisco IT Network Services group

Greg Rasner is the program manager for the pervasive Security track in Cisco IT Network Services group. Greg has been with Cisco for three years. Prior to Cisco, Greg worked as a Program Manager for IT Infrastructure in several large financial institutions and held Director of IT roles in several mid-size software, energy and biotech firms. He is also a part-time instructor in Network Security at the college level and enjoys working out at the Cisco gym, watching reruns of Dr. Who, and camping with his family.

Articles

April 28, 2017

SECURITY

Respecting Customer Privacy is Not an Option

How to demonstrate products and services using data that is close to production, while protecting your customer’s data and complying with legal and regulatory obligations.

October 29, 2014

INSIDE CISCO IT

ISE and IOE

At a recent offsite, the Identity Services Engine (ISE) project team, and our InfoSec and Mobility teams spoke at length about how we will tackle the challenge of getting all Internet of Everything (IoE) devices securely on the network. Cisco IT has an aggressive schedule for the deployment of ISE capabilities in our FY15 (Fiscal […]

October 1, 2014

INSIDE CISCO IT

Leverage Those APIs

Cisco IT has always strived to improve the user experience.  It is often overlooked in some IT organizations, but Cisco IT has service managers who are held accountable for the feedback they get for their service sectors.  This focus on how we perform means we are constantly pushed to improve how users interact with the […]

August 20, 2014

INSIDE CISCO IT

The Evolution of Guest Networking

As I’ve described in my previous blogs and documents, the first capability deployed by Cisco IT for Identity Services Engine (ISE) is guest networking. Guest networking replaced an older existing solution, referred to internally as NextGen Guest Networking (NGGN). NGGN relied on about 12 servers globally and had a large access control list (ACL) to […]

July 9, 2014

INSIDE CISCO IT

Cisco IT’s Identity Services Engine Deployment: Project Planning, Personnel, and Progress

Several customers have asked me how Cisco IT does project planning for a large enterprise deployment such as the Identity Services Engine, or ISE. What’s our approach? How do we manage operational costs? How do we measure performance? What personnel are involved throughout the process? 

April 23, 2014

INSIDE CISCO IT

Cisco IT’s Identity Services Engine Deployment: Cluster and Server Sizing

When sizing clusters for devices in our Identity Services Engine (ISE) deployment, Cisco IT uses a “3+1” formula: For every person we assume three devices (laptop, smartphone, and a tablet) plus one device in the background (security camera, printer, network access device, etc.). In a company the size of Cisco, with roughly 80,000 employees, the […]

March 5, 2014

INSIDE CISCO IT

Cisco IT’s Identity Services Engine Deployment: First Capabilities to Roll Out

Cisco IT is deploying Identity Services Engine (ISE) globally. ISE is a security policy management and control platform that automates and simplifies access control and security compliance for wired, wireless, and VPN connectivity. We’re running ISE 1.2 Patch 3 globally and evaluating Patch 5 for its guest networking enhancements. Over the next few months, I’d […]