Tagged with routing


RIP is a dynamic, distance vector routing protocol based around the Berkely BSD application routed and was developed for smaller IP based networks. RIP uses UDP port 520 for route updates. RIP calculates the best route based on hop count. Like all distance vector routing protocols, RIP takes some time to converge. While RIP requires … Continue reading

Multiprotocol Label Switching (MPLS)

Cisco IOS Multiprotocol Label Switching (MPLS) enables Enterprises and Service Providers to build next-generation intelligent networks that deliver a wide variety of advanced, value-added services over a single infrastructure. This economical solution can be integrated seamlessly over any existing infrastructure, such as IP, Frame Relay, ATM, or Ethernet. Subscribers with differing access links can be … Continue reading

BGP – The protocol that makes the Internet work

Service providers working with IP networks are very clear that the Border Gateway Protocol (BGP) is the most complex and difficult to configure Internet protocol. Its emphasis on security and scalability makes it essential, however. This guide offers you a detailed look at how and why BGP-enabled routers in core networks exchange information securely with … Continue reading