The Spine-Leaf Data Center: Why and What?

Have you ever considered how to extend your layer-2 switching network across your data centers? In this article we’ll discuss EVPN-VXLAN and the spine-leaf network architecture. These topologies and technologies will change your life! Don’t be afraid of the technology. Turn and face it!

Fortinet And Monitoring

There’s a way to add your FortiGate managed FortiSwitches into your SNMP-based management platform. A few small hoops to jump through, but this is the direction to go.

Those Pesky ACLs

Do you remember the first access control list you ever added to a Cisco router? Was probably something simple like blocking IP subnets…

Connection Refused

An interesting thing happened on my network over the last few days. It was easily remedied, but if you’ve never seen the issue…

Demystifying OSPF on a vPC

A common issue among network engineers managing the Cisco Nexus platform is how to form routing adjacencies on hosts over a Virtual Port…