ICMP stands for Internet Control Message Protocol. When IP packets send from a computer to a destination computer on the Internet, it needs to travel via a number of gateways. Each gateway on the Internet will send the packets to the next gateway according to the routing table.
- ICMP(Part 4) - How ICMP Messages Are Sent
September 20, 2011
As we learned before that ICMP was designed as a way to send error and diagnostic messages in an IP inter-network.ICMP messages are identified by "type" numbers.Each ICMP message also has a "code" num... - ICMP (Part 3) - Concept Consolidation
September 19, 2011
Now let's consolidate the concept of ICMP from what we discussed before. When a gateway on the Internet cannot pass the data packet to the next gateway, it will send a ICMP reply message (according to... - ICMP (Part 2) - Introduction
September 18, 2011
We learned that when a IP packets sent from a computer to a destination computer on the Internet, it needed to travel via a number of gateways. Each gateway on the Internet will send the packet t... - ICMP (Part 1) - Basic Concept
September 18, 2011
ICMP stands for Internet Control Message Protocol.When IP packets send from a computer to a destination computer on the Internet, it needs to travel via a number of gateways. Each gateway on the Inter...