Jan 20 16:42:48.751: IP: s=126.96.36.199 (local), d=188.8.131.52 (Serial0), len 28, sending Jan 20 16:42:48.755: UDP src=36753, dst=33438 Jan 20 16:42:48.787: IP: s=184.108.40.206 (Serial0), d=220.127.116.11 (Serial0), len 56, rcvd 3 Jan 20 IP_NO_RESOURCES 11006 Insufficient IP resources were available. Delay By default, if you do not receive an answer from the remote end within two seconds, the ping fails: Router1#ping 18.104.22.168 Type escape sequence to abort. The different debug commands we have used so far gives us an insight into what happens when we use a ping or traceroute command. get redirected here
Request Timed Out The ping command timed out because there was no reply from the host. Sending 5, 100-byte ICMP Echos to 22.214.171.124, timeout is 2 seconds: !!!!! End with CNTL/Z. Status Type: ULONG The status of the echo request, in the form of an IP_STATUS code. http://www.onlinecomputertips.com/networking/ping.html
Replies: ping: cannot resolve sdhjfjsd: Unknown host Returns: 68 share|improve this answer answered Oct 2 '14 at 2:56 Stuart Woodward 80231222 add a comment| up vote 0 down vote Try man Socialize it today. IP_PACKET_TOO_BIG 11009 The packet was too big.
Retrieved 8 September 2010. Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/36 ms There is almost no difference. Sending 5, 100-byte ICMP Echos to 126.96.36.199, timeout is 2 seconds: ..... Ping Output U A destination unreachable error PDU was received.
The processor has to handle the information from this packet, and send an answer back. Ping Error Message General Failure As these two commands are the most widely used commands by network engineers, understanding them is very crucial for troubleshooting network connectivity. If the host was just sleeping in low power active state, a single request wakes up that host just enough to allow its Echo Reply service to reply instantly if that http://www.itgeared.com/articles/1094-ping-and-icmp-error-messages/ IP_DEST_NET_UNREACHABLE 11002 The destination network was unreachable.
In addition, these messages include the first eight bytes of the original message (in this case header of the ICMP echo request, including the quench value), so the ping utility can Unix+ping+command+exit+status+codes Here are the main error messages and what they mean. Generated Mon, 24 Oct 2016 07:18:53 GMT by s_wx1011 (squid/3.5.20) Ping (networking utility) From Wikipedia, the free encyclopedia Jump to: navigation, search An example run of the command-line ping utility on Error indications In cases of no response from the target host, most implementations of ping display nothing, or periodically print notifications about timing out.
This message indicates that the TTL expired in transit. Use the Debug Command Before issuing debug commands, please see Important Information on Debug Commands. Ping Messages Explained Sending 5, 100-byte ICMP Echos to 188.8.131.52, timeout is 2 seconds: U.U.U Success rate is 0 percent (0/5) Jan 20 16:34:49.207: IP: s=184.108.40.206 (local), d=220.127.116.11 (Serial0), len 100, sending Jan 20 Ping Failure Reasons IP_HW_ERROR 11008 A hardware error occurred.
A better way to test router performance is with traffic going through the router: The traffic is then fast-switched, and is handled by the router with the highest priority. Get More Info January 13, 2000. Click Here SUBSCRIBE TO OUR MAILING LIST Get site updates, latest virus alerts and more. Jan 20 16:42:48.895: IP: s=18.104.22.168 (local), d=22.214.171.124 (Serial0), len 28, sending Jan 20 16:42:48.899: UDP src=37534, dst=33441 Jan 20 16:42:51.895: IP: s=126.96.36.199 (local), d=188.8.131.52 (Serial0), len 28, sending Jan 20 16:42:51.899: Ping Return Codes Windows
IP_BAD_ROUTE 11012 A bad route. Sending 5, 100-byte ICMP Echos to 184.108.40.206, timeout is 2 seconds: !!!!! Refer to Troubleshooting Input Queue Drops and Output Queue Drops in order to troubleshoot Input/Output queue drops. useful reference The basic rule is that the pinged device should also know how to send the reply to the source of the ping.
Router1#debug ip packet IP packet debugging is on Warning: Using the debug ip packet command on a production router can cause high cpu utilization. Different Ping Errors Unknown packet type Performance Using the ping and traceroute commands, we obtain the round-trip time (RTT). Archived from the original on 8 September 2010.
The identifier and sequence number can be used by the client to determine which echo requests are associated with the echo replies. Destination Host Unreachable The host that you are trying to ping is down or is not operating on the network. Downloads and tools Windows 10 dev tools Visual Studio Windows SDK Windows Store badges Essentials API reference (Windows apps) API reference (desktop apps) Code samples How-to guides (Windows apps) Learning resources this page End with CNTL/Z.
If the local computer's TCP/IP configuration is correct, you can still receive this message from your gateway. The ICMP_ECHO_REPLY32 structure is defined in the Ipexport.h header file which is automatically included in the Iphlpapi.h header file. The purpose behind this is to record the source of each ICMP Time Exceeded Message to provide a trace of the path the packet took to reach the destination. Jan 20 17:19:51.843: IP ARP: sent req src 220.127.116.11 0000.0c5d.7a0d, dst 18.104.22.168 0000.0000.0000 Ethernet0.
IP_BAD_REQ 11011 A bad request. Modify the local route table or notify the router administrator. Host discovery, scanning or ping sweep is a feature of network scanning tools such as nmap, working by utilizing ICMP echo packets. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water, although it is sometimes interpreted as a backronym
asked 7 years ago viewed 26957 times active 4 months ago Linked 1 Logging ping successes and failures in linux 1 How can I assign a system command to a variable DDoS ignorant newbie question: Why not block originating IP addresses? Number of required hops exceeds TTL. Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms From the above, we see that the problem lies between Router2 and Router3.
Different messages indicate different types of issues. High Input Queue Drops When a packet enters the router, the router attempts to forward it at interrupt level. interface Serial1 ip address 22.214.171.124 255.255.255.0 ! ! Such configuration may be used to avoid a host to enter in hibernation state, with much longer wake up delay, after some time passed in low power active mode. Security
IP_SOURCE_QUENCH 11016 Datagrams are arriving too fast to be processed and datagrams may have been discarded. I named it after the sound that a sonar makes, inspired by the whole principle of echo-location. ^ Mills, D.L. (December 1983).