Character Description ! Each exclamation point indicates receipt of a reply . Each period indicates the network server timed out while waiting for a reply U A destination unreachable error PDU was received Q Source quench (destination too busy) M Could not fragment ? Unknown packet type & Packet lifetime exceeded
Source of above: http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note091 86a00800a6057.shtml Also from various GroupStudy posts: I Interrupted T Timeout N ICMP Net Unreachable H ICMP Host Unreachable P ICMP Unknown Protocol U ICMP Unreachable Port A ICMP Administratively Prohibited (access-list refused) C A packet was received with the congestion- experienced bit set > -----Original Message----- > From: DeVoe, Charles (PKI) [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 13, 2003 9:20 AM > To: [EMAIL PROTECTED] > Subject: Traceroute responses [7:65310] > > > I have been looking at the transcender exams to get a final > brush up for the > CCNA exam. In those exams there are questions about the > routers response to > things like trace and ping. I believe they are referring to > ICMP messages. > The response types they mention are things like the responses > they use are > !H, N, P, and U. I've never seen these before and was > wondering where I > could find the list of responses in this format. Thanks Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65343&t=65310 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]