Cisco CCNA – Internet layer protocols
Posted on April 18th, 2009 by linux
The following Internet layer protocols are required to remember for a ccna exams:
- IP ( Internet Protocol ): IP is a connectionless protocol and provides network address ( IP address ) and routing via internetwork.
- ARP ( Address Resolution Protocol ): This protocol resolves a hardware address ( Media Access Control – MAC ) to an IP address.
- RARP ( Reverse Address Resolution Protocol ): This protocol does exact opposite of ARP. It resolves a IP address from hardware address ( MAC )
- ICMP ( Internet Control Message Protocol ): This protocol provides a network troubleshooting messages such us “Destination Unreachable”.
Filed under: Cisco CCNA Preparation