Opnet Network

OPNET Network:

Network means collection of many devices such computers, switches, Routers etc
Computer Network does the work of transferring data to or from above components
Each of the devices on the network can be thought of as a node; each node has a unique address.

Types of network messaging:

Unicast
Broadcast
Multicast
Anycast

Addressing in Opnet network:

Each node has a unique address for successful message delivery over the broadcast domain
Since there are multiple nodes are connected to each other through an internetwork, each of which must have a unique address for successful message delivery over the internetwork
Mac address are:
Device address
Layer 2 address
NIC address
Data link layer address
Hardware address
IP address:
Subnet address
Internet address
Routing address
Layer 3 address
Network layer address
Internetwork address

Routing protocol in Opnet Network:

Proactive routing
Reactive routing
Hybrid routing protocols