Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...

VRFs are to Layer 3 as VLANs are to Layer 2 and delimit the domain of an IP network within a router. The Cisco website has a more formal definition: VRF–A VPN Routing/Forwarding instance. A VRF ...

For years, we used to have a plain-old ADSL in the office—fast download speeds, slow upload, high latency—all that at the cost of $1/GB. We have had so many problems with performance and reliability ...

NETLINK is a facility in the Linux operating system for user-space applications to communicate with the kernel. NETLINK is an extension of the standard socket implementation. Using NETLINK, an ...