SSH to a New Cisco IOS-XR Device

If you have a Cisco device you’re wanting to get SSH access to, you can’t just SSH into the box right from the get go. There are a couple things to do first: ¬†Add an IP Address to an Interface (from config mode)

Enable SSH (from config mode)

Create a DSA key (from … Continue Reading

Segmenting Datacenter Servers (Security and Performance)

In data center networking, you really don’t care what is hosted on a server. Let’s face it. You know it’s true. Some business unit probably calls this app “critical”. It probably generates a report that 3 people in the company see. But it’s important to them. To you, it’s a VLAN, an IP address, a … Continue Reading