OSPF LSA type LSDB Link State Database DR Designated Router, responsible for flooding process on the multi-access network. Each router on the network forms an adjacency with Designated Router. Backup Designated Router(BDR), DR failure BDR can very quickly take responsibility and become DR. LSA – Link-state Advertisement, Each router generates …
What is IP? 1) high level: networks, applications and services 2) Internet Protocol, a network layer protocol enabling the routing of data across a packet network using specific address schemes TCP/IP 1) Internet Protocol Suite, a set of communication protocols for the Internet and similar networks 2) IP is part …
IPv6 called IPng(IP next generation) new version successor to IPv4 enhancement of IPv4 The shortage of IPv4 1) IPv4 address space is not enough IPv4 address, 32 bits, in theory can provide 4.3B, address allocation is not balance, US took half of space. 2) backbone router routing table is too …