Comments
Please follow thos link for answer www.patentstorm.us/patents/5931961/description.html
Posted by HamidAliKhan
ICMP ping messages are composed of echo request (ICMP type 8) and echo reply (ICMP type 0) messages.
Posted by sabastian
www.patentstorm.us/patents/5931961/description.html
Posted by crouse
->ICMP ECHO
->ICMP REPLY
Posted by sagitraz