Networking

BGP Fundamentals

Network address translation (NAT) is a service or function that translating one or many IP to Single or Pool IP

VRF isolating Interfaces, routing tables, and forwarding tables, than its preventing traffic from VRF to other VRF

A routing instance is a collection of routing tables, interfaces, and routing protocol parameters.

OSPF can be enabled on network statement or under interface configuration. The network statement will identify interface by matching the IPv4 that associated to interface. The network statement is not advertising the network into OSPF

OSPF is one of dynamic routing protocol which is interior gateway protocol (IGP) which support VLSM, classless routing, summarisation, authentication, and also IPv6 that covered by OSPFv3.