Cisco Blogs


Cisco Blog > 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 technology. Read More »

Tags: , , , , , ,

Addressing Cyber-Security Challenges of Today and Tomorrow

Did you know that Cisco detects over 1.5 million intrusion attempts on Cisco’s network every day? With more than 13 billion NetFlow records captured daily, over 22 Terabytes of traffic inspected, and 750 Gigabyte of system logs collected on a daily basis, it’s changing the landscape for how to secure intellectual property, confidential information, and mitigate malicious attacks.

This brief video shares relevant security information, real-world experiences to help educate customers on security threats, and technology solutions deployed to secure Cisco’s intellectual property.

Tags: , , , , ,

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 manage. Deploying guest networking on ISE is a logical first choice for three reasons:  Read More »

Tags: , , , , , , ,

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?  Read More »

Tags: , , , , ,

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 math is simple: Read More »

Tags: , , , , , ,