ospf router id

How to Configure OSPFv2 Single-Area

OSPFv2 is a link-state routing protocol Introduced in 1991 for IPv4 as an alternative to Routing Information Protocol (RIP). Figure 1 is a reference topology for configuring OSPFv2. The routers in the topology have a starting configuration, including interface address and password configurations. None of the routers has static or dynamic routing configured. All routers… Read more

How to Configure OSPFv2 Single-Area Read More »

Introduction to Hello Packets

By Asad Ijaz

Hello, Packets Type 1 are OSPF packets sent periodically on all interfaces, including virtual links, to establish and maintain neighbor adjacency. It is a multicast packet with a multicast and broadcast capability, enabling dynamic discovery of neighboring routers. Hello packets advertise parameters on which routers agree to become neighbors. It also elects the Designated Router

Introduction to Hello Packets Read More »