What is ICMP, ARP, Multicast, Broadcast?

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  • Jan 28th, 2006

ICMP:internet control message protocol

for PING command dis ICMP packets will come


To see the properties of TCP/IP protocol, means like if v want to know odar ssystem MAC address it ll b use ful

in dis (arp -a) and (arp -s) commands r der


class D is useful 4 multi casting

Broad casting

if all HID portion bits ones dat s broadcasting

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  • May 21st, 2006

ICMP is used to find the existance of another system.

ARP is used to find the MAC address using IP address.

Multicast: A single frame is received by some selected hosts in a network.

Broadcast:A single frame is received by all the hosts in a network.

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