topic Re: understanding debug output for &quot;debug icmp trace&quot; in Network Security https://community.cisco.com/t5/network-security/understanding-debug-output-for-quot-debug-icmp-trace-quot/m-p/610214#M1036330 <HTML><HEAD></HEAD><BODY><P>A good document about icmp redirects</P><P></P><P><A class="jive-link-custom" href="http://www.qorbit.net/documents/icmp-redirects-are-bad.htm" target="_blank">http://www.qorbit.net/documents/icmp-redirects-are-bad.htm</A></P><P></P><P></P><P>--Pls rate if it helps--</P></BODY></HTML> Mon, 27 Nov 2006 14:24:18 GMT zubairjalal 2006-11-27T14:24:18Z understanding debug output for "debug icmp trace" https://community.cisco.com/t5/network-security/understanding-debug-output-for-quot-debug-icmp-trace-quot/m-p/610213#M1036329 <P>I have enabled the debug icmp trace command on a Cisco PIX 515 running 6.3.4 at a customer site.</P><P>I have a strange entry that seems to repeat itself each time an ICMP is generated thru the box. I am concerned about this output, as it looks like there is a public address in it that has no relation to my customers addresses.</P><P>Can someone tell me exactly what the following means ( I am pasting this message in from the debug output).</P><P></P><P>249: ICMP redirect (code 1, addr 69.0.0.140) bhiedge &gt; 172.16.1.1 packet ignored</P><P></P><P>Thank you.</P> Mon, 11 Mar 2019 09:00:33 GMT https://community.cisco.com/t5/network-security/understanding-debug-output-for-quot-debug-icmp-trace-quot/m-p/610213#M1036329 Kevin Melton 2019-03-11T09:00:33Z Re: understanding debug output for "debug icmp trace" https://community.cisco.com/t5/network-security/understanding-debug-output-for-quot-debug-icmp-trace-quot/m-p/610214#M1036330 <HTML><HEAD></HEAD><BODY><P>A good document about icmp redirects</P><P></P><P><A class="jive-link-custom" href="http://www.qorbit.net/documents/icmp-redirects-are-bad.htm" target="_blank">http://www.qorbit.net/documents/icmp-redirects-are-bad.htm</A></P><P></P><P></P><P>--Pls rate if it helps--</P></BODY></HTML> Mon, 27 Nov 2006 14:24:18 GMT https://community.cisco.com/t5/network-security/understanding-debug-output-for-quot-debug-icmp-trace-quot/m-p/610214#M1036330 zubairjalal 2006-11-27T14:24:18Z