mturoute 2.1 Download

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  • Name:mturoute
  • License:GPL
  • Developer:Eli Fulkerson
  • Downloads:80
  • Rating:2 / 5
  • OS:Windows All
  • Size:84 KB
  • D.M.C.A. 
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mturoute 2.1

mturoute 2.1 Description:

The mturoute was designed to be a is a small command line application that uses ICMP pings of various sizes in order to determine the MTU values on the path between itself and the target system. It also includes a "traceroute" like mode where it will attempt to determine the lowest MTU between the local host and each hop in the communication.
The utility generates maybe 100 times as much traffic as a normal ping does, so you should exercise restraint when running it on networks you do not administer. During development and testing my ICMP capability was disabled completely several times, although a power cycle on the cable modem restored normal operation.

Mturoute sends a non-fragmentable icmp probe to the target IP address with a given payload size. Since the do-not-fragment bit is set, any network equipment that has an MTU setting which is smaller than the packet size will drop the packet.

Based on the presence or absence of a response, mturoute adjusts the payload size of its next probe. Subsequent probes are sent with a packet size midway between the highest value for which a response was received and the lowest value for which a response was not received. (For the initial conditions, the low value is 0 and the high value is whatever you set with -m, defaulting to 10000 bytes).

This process is repeated, narrowing the search space by ~50% with each cycle, terminating once the highest possible probe size has been converged upon. It then adds the 28 bits of ICMP protocol overhead before reporting results.

In -t "traceroute" mode, mturoute performs this same process for each hop between you and the specified host. The output is abbreviated (only the +/- characters remaining to indicate progress), outputting a single MTU value for each hop.

Since each probe has to traverse the entire distance from localhost to a given hop, the reported MTU values represent the smallest MTU setting between you and the given hop, not necessarily the MTU setting between a hop and its immediate predecessor. For instance, if the MTU is narrowed on a hop midway between you and your destination, all subsequent hops will show the same small size - as your packets to more distant hops must pass through that choke point.

Due to the nature of the test, it is sensitive to packets dropped for non-MTU related reasons. Packets that are lost for other reasons will result in an incorrect MTU reading. Mturoute v2 will now attempt to re-probe to avoid dropped packets, but the mysteries of the Internet may still conspire to give you an incorrect reading. In general, the true MTU cannot be lower than the highest successful probe, but the possibility does exist that the true MTU may in fact be higher than reported.

If the -f flag is specified, mturoute doesn't test MTU sizes. This flag will toggles off the "do not fragment" bit, which will allows intermediate routers to break mturoute's probes into multiple packets if they exceed the MTU size. Fragmented probes are re-assembled at their destination. With MTU is taken out of the equation, this mode instead reports the largest ping that a given host will respond to. This could help you determine whether fragmentation is happening properly.

The -w setting sets the amount of time you want mturoute to wait for a response for a given probe. This was undocumented in the original version, but is exposed in v2.

The -i setting allows you to specify the length of the interval that mturoute will wait between probes. This was also undocumented in the original version, but is exposed in v2.

The -r setting is new in v2, it allows you to specify the number of retries that mturoute will run given a probe timeout. Hopefully this will alleviate the problem in the original version where a single missed probe (which may have been dropped for any reason) would cause an incorrect MTU to be calculated. The default number of retries is 3.

The -d setting is new in v2, it instructs mturoute to output more verbose debugging information as it runs.

The -m setting allows you to set a maximum probe size, in bits. The default is 10,000.

The -v setting outputs the version information. Versions prior to v2.1 have no version information.

mturoute security information

You cannot download any crack or serial number for mturoute on this page. Every software that you are able to download on our site is legal. There is no crack, serial number, hack or activation key for mturoute present here. Our collection also doesn't contain any keygens, because keygen programs are being used in illegal ways which we do not support. All software that you can find here is freely downloadable and legal.

mturoute installation package is prepared to be downloaded from our fast download servers. It is checked for possible viruses and is proven to be 100% clean and safe. Various leading antiviruses have been used to test mturoute, if it contains any viruses. No infections have been found and downloading mturoute is completelly problem free because of that reason. Our experts on malware detection tested mturoute with various spyware and malware detection programs, including custom malware and spyware detection, and absolutelly no malware or spyware was found in mturoute.

All software that you can find on our servers, including mturoute, is either freeware, shareware or open-source, some of the software packages are demo, trial or patch versions and if possible (public domain licence), we also host official full versions of software.

Because we want to be one of the fastest download sites on the web, we host all the software including mturoute on our servers. You cannot find here any torrents or download links that would lead you to dangerous sites. does support free software, however we do not support warez or illegal downloads. Warez is harming producers of the software.


Rate mturoute 2.1!

Rating: 2.1/5 (8 votes cast)

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