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Ping Error Codes List

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Here's the situation described further: C:\>ping -n 1 172.25.0.1 Pinging 172.25.0.1 with 32 bytes of data: Reply from 172.25.1.1: Destination host unreachable. Retrieved 4 June 2010. [text shown if your computer replies to ping requests] "Ping" is among the oldest and most common methods used to locate systems prior to further exploitation. ^ Windows uses a fixed identifier, which varies between Windows versions, and a sequence number that is only reset at boot time. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://back2cloud.com/ping-error/ping-error-codes.php

As these two commands are the most widely used commands by network engineers, understanding them is very crucial for troubleshooting network connectivity. ping 4.2.2.1 ... On other error it exits with code 2. Essentially, this error message indicates that your host did not receive the ICMP Echo Reply back from the destination node within the designated time period. http://www.onlinecomputertips.com/networking/ping.html

Ping Messages Explained

Why can't I set NODE_ENV to undefined? We get a better idea of the problem using this debug command: Router4#debug arp ARP packet debugging is on Router4#ping 100.0.0.5 Type escape sequence to abort. Echo reply[edit] The echo reply is an ICMP message generated in response to an echo request; it is mandatory for all hosts and routers, and must include the exact payload received more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

There was no reply from the Host computer. Success rate is 100 percent (5/5), round-trip min/avg/max = 4/7/9 ms Router1# Jan 20 16:35:54.227: IP: s=12.0.0.1 (local), d=12.0.0.2 (Serial0), len 100, sending Jan 20 16:35:54.259: IP: s=12.0.0.2 (Serial0), d=12.0.0.1 (Serial0), The Echo Request typically does not receive any reply if the host was sleeping in hibernation state, but the host still wakes up from sleep state if its interface is configured Different Ping Errors How to implement Group Policies?

Router1(config)#access-list 100 permit ip host 12.0.0.1 host 34.0.0.4 Router1(config)#access-list 100 permit ip host 34.0.0.4 host 12.0.0.1 Router1(config)#end Router1#debug ip packet 100 IP packet debugging is on Router1#debug ip icmp ICMP packet Jan 20 17:19:51.843: IP ARP: sent req src 100.0.0.4 0000.0c5d.7a0d, dst 100.0.0.5 0000.0000.0000 Ethernet0. If it won't fail, it will detect 0%, because it has 0%. How to add a computer to a domain?

This message indicates that the TTL expired in transit. Icmp Error Messages Jan 20 16:16:21.363: IP: s=12.0.0.1 (local), d=34.0.0.4 (Serial0), len 100, sending. The measurement had a standard deviation of 0.748 ms. A word to describe meaningless exchanges in conversation Teaching a blind student MATLAB programming What's difference between these two sentences?

Ping Error Message General Failure

Options may include the size of the payload, count of tests, limits for the number of network hops (TTL) that probes traverse, and interval between the requests. You need to escape it as % has a special meaning within a batch file: "Packets: Sent = 4, Received = 4, Lost = 0 (0%% loss)," However its simpler to Ping Messages Explained Since these datagrams are trying to access an invalid port at the destination host, ICMP Port Unreachable Messages are returned, indicating an unreachable port; this event signals the Traceroute program that Ping Failure Reasons Join them; it only takes a minute: Sign up exit status of the ping command up vote 10 down vote favorite while doing with the perl script I am stucked with

This is the time required to send an echo packet, and get an answer back. Get More Info How to find out the computer name using IP address? If the input queue is full, the packet is dropped. The TTL value of a ping packet cannot be changed. Ping Output

Jan 20 16:40:24.303: IP: s=20.0.0.1 (local), d=12.0.0.2 (Serial0), len 100, sending Jan 20 16:40:26.303: IP: s=20.0.0.1 (local), d=12.0.0.2 (Serial0), len 100, sending. If your CPU is not powerful, or if you have a lot of process-switched packets, they can easily stall your device. The percent sign has been doubled so that it's not mistaken for a variable that should be substituted. useful reference Let us add a static route to Router4: Router4(config)#ip route 0.0.0.0 0.0.0.0 Serial0 Now it works perfectly, and both sides can access each other: Router1#ping 34.0.0.4 Type escape sequence to abort.

Success is 0, failure is 1. Ping Responses http://www.manpagez.com/man/8/ping The actual return values may depend on your system. When a ping response is not successful you can get a variety of error replies.

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So not really useful for testing if a host is alive and IMO a bug. Packet loss. share|improve this answer answered Jul 24 '13 at 3:10 Mr. Ttl In Ping Internet Delay Experiments.

With the aid of some debug commands, this document captures a more detailed view of how these commands work. Check the physical connections. All rights reserved. http://back2cloud.com/ping-error/ping-error-65.php The command-line options of the ping utility and its output vary between the numerous implementations.

I made it look for just "0% loss" (not specifically 4 pings) so that the number of pings can be customized. The device (for example, a router or a PC) sends out a sequence of User Datagram Protocol (UDP) datagrams to an invalid port address at the remote host. USB (pen) drive not detected by computer Difference between MS Outlook OST & PST files Basic Computer Troubleshooting - Windows XP, Vista, 7 Computers Home page System Administrator Interview Questions Basic 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

This means that the router knows on which interface it has to send the packet, but does not know how to do it. Prerequisites Requirements There are no specific requirements for this document. IP address ip_address not foundwhere the ip_address identifies the invalid IP address argument. The basic rule is that the pinged device should also know how to send the reply to the source of the ping.

As I said before, the batch always results in failure. This can be useful to have a rough idea of the delay on the link. End with CNTL/Z.