Do you need to deploy an extranet? In a simple yet flexible enough way? Getting rid of limitations brought by fixed addressing? MPLS VPN implementation of an extranet brings the flexibility that will ... more

Secure Time Management

The April IP Corner article It’s good to be on time describes how you can use Network Time Protocol (NTP) to synchronize the real-time clock of your network devices with external time references. As s... more
The main goals of implementing Voice over Internet Protocol (VoIP) systems in most companies are mostly short-term, related to cutting costs and better utilizing their existing network infrastructure.... more
When designing a network solution, we often are faced with a myriad of parameters that influence the design process and the selection of the final solution. A network designer ideally would want to co... more
Default routing should be a simple concept, but becomes surprisingly complex in routing protocols that have multiple layers of default routes. In this IP Corner article, Ivan Pepelnjak describes how t... more
If you want to deploy high-availability public servers within your network, you should implement proper multi-homing solution including BGP routing with the Service Providers. But even if you use alte... more
Network designers and implementers try to avoid policy routing, as its common implementation in Cisco IOS requires a complex mix of access-lists and route-maps that have to be deployed on a hop-by-hop... more