Aside, ICMP packets are "not" needed for TCP or UDP traffic, which is really the only traffic you need. They are mostly used to relay TCP errors (destination unreachable) or ping request.

While ICMP is required for IP network traffic redirection and pinging hosts on your LAN or WAN, ICMP can also pose a security concern. David Davis tells you about the basics of ICMP and how to ...

and I suppose when it says 100% and there's a next hop, so where the router is blocking ICMP, then packet loss isn't really being measured for that router.

* ICMP packet surge from Exchange server By Ron Nutter Q: Recently, I noticed that there has been a surge in ICMP packets between some of my Active Directory controllers and Exchange servers.

Recently, I noticed that there has been a surge in ICMP packets between some of my Active Directory controllers and Exchange servers. Virus scanning proved that the servers were clean. Is there ...

Using the LAN cable ' Illumination packet ' that makes it look as if a packet shining in the cable is flowing according to the type and direction of the communication packet, the flow of Internet ...

The earliest stored program computer in the modern sense was not one of the names such as ENIAC or Colossus that you might expect, but the Manchester Baby, an experimental prototype computer built … ...

BlackNurse is the name of a recently discovered network attack that can crash firewalls and routers via ICMP packets, known by most of us as "pings." ...