CDP

Cisco Discovery Protocol

Configurare topologie simpla GNS3 partea a 2-a

Continuarea configurarilor din topologia anterioara

Configurare topologie simpla GNS3

Topologie CCNA 2

Network Security

Why is security important ?

Frame/Packet Format

IP Packet

Internet Protocol (IP) Packet Format

The Internet Protocol specified in RFC 791 defines the IP packet format. The IP packet header has specific fields that contain information about the packet and about the sending and receiving hosts. Below is a list of the fields in the IP header and a brief description for each one.

OSPF

Open Shortest Path First

• protocol de rutare link state
• direct competitor pentru EIGRP (proprietar CISCO)
• Protocol de rutare classless
• Scalabil prin folosirea de zone

Configuring a router

Basic Router Configuration