Category: General

OSPF Packet Level Understanding

OSPF Packet level reading The concept of a consistent database is a core requirement for link-state protocols and allows the protocols to ensure a loop-free topology. Since no loops exist, each router then makes consistent forwarding decisions for user data packets. Ensuring the proper advertisement of link-state updates […]

Next Generation Multicast Default MDT: Profile 0

This post describes how Multicast packet traverses with the use of Multiprotocol Label Switching (MPLS) core in Next Generation Multicast. Draft Rosen uses Generic Routing Encapsulation (GRE) as an overlay protocol. That means that all multicast packets are encapsulated inside GRE. A virtual LAN is emulated with all Provider Edge (PE) routers […]