>Once i heard, that a ping from a Cisco Box is not the same like a ping from >a Windows PC. >One is icmp the other is udp.
>Can anyone confirm? and, where is udp , where is icmp. >One solution to make it all clear is to take a sniffer - or i could search >my CIT Course stuff this weekend ;-) >Martin You may be refering to the traceroute (tracert in M$) utility. Unix traceroute uses ICMP and UDP to discover tha path from source to destination. The intermediate routers respond with ICMP messages. Finally, UDP tries to contact the destination host on a port that is not normally active. The intent is to elicit an ICMP "UDP port unreacable" messages that tells you that the host is alive and has been found. Windows tracert uses ICMP "echo request" and ICMP "echo reply" (PING packet) to locate the destination host. Jim Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=66899&t=66899 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
