Monthly archives: October, 2016

Understanding basic OTV configuration

What is OTV and what problem does it solve ? OTV stands for Overlay Transport Protocol and is a part of Cisco’s Nexus data center networking technology to allow vlans to extend across multiple data centers. Virtual Machine (VM) administrators often move VMs between hosts to perform maintenance, host upgrades or as part of DEV …

Introduction to securing network device with TACACS+

Summary This article introduces the TACACS+ protocol and describes how it secures access to your network devices. TACACS+ is commonly applied to give administrators and engineers access to switches and routers. It is widely implemented on entreprise Cisco and Juniper networks. Radius is another popular protocol for doing the same job. Radius is often the …