According to: http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113ed_cr/f un_r/frprt4/frtroubl.htm#16073 IP Trace Test Characters: Char Description -------- ------------------ * The probe timed out. ? Unknown packet type. A Administratively unreachable. Usually, this output indicates that an access list is blocking traffic. H Host unreachable. N Network unreachable. P Protocol unreachable. Q Source quench. U Port unreachable. Similarly, for PING: Char Meaning ----- ----------------- ! 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. C A congestion experienced packet was received. I User interrupted test. ? Unknown packet type. & Packet lifetime exceeded. Regards, Randy Benn http://www.clark.net/pub/rbenn/cisco.html At 03:14 AM 1/10/98 -0500, you wrote:
What the hell is a !Q in a traceroute?
nyc6#trace www.demon.net
Type escape sequence to abort. Tracing the route to www.demon.net (193.195.0.1)
1 nac-wisper-10Mb.nac.net (207.99.122.4) 0 msec 0 msec 4 msec 2 nac-wisper-10Mb.nac.net (207.99.122.4) !Q * lth1-e1.uk-core.uk.wisper.net (193.164.160.10) [AS 6765] 92 msec 3 linx-1.router.demon.net (194.68.130.13) [AS 5459] 112 msec 108 msec 112 msec 4 telehouse-1.router.demon.net (194.159.252.51) [AS 2529] 112 msec 112 msec 104 msec 5 demon.www.demon.net (194.159.255.45) [AS 2529] 112 msec * 116 msec