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scamper

Scamper is a nice tool with combined traceroute and MTU discovery.

You can download it from: http://www.wand.net.nz/scamper/

Sample Command:

(Note: you must use IP address, not the hostname)

 scamper -c "trace -M" -i 131.243.24.11

traceroute from 198.129.254.14 to 131.243.24.11
1  198.129.254.13  75.263 ms [mtu: 9000]
2  134.55.40.82  0.126 ms [mtu: 9000]
3  134.55.220.50  27.257 ms [mtu: 9000]
4  134.55.209.97  85.651 ms [mtu: 9000]
5  134.55.217.1  27.629 ms [mtu: 9000]
6  134.55.219.9  28.669 ms [mtu: 9000]
7  198.129.224.1  34.970 ms [mtu: 1500]
8  131.243.128.11  28.950 ms [mtu: 1500]
9  131.243.24.11  28.790 ms [mtu: 1500]


To install scamper:

  wget http://www.wand.net.nz/scamper/scamper-cvs-20110421.tar.gz
tar xvzf scamper-cvs-20110421.tar.gz 
./configure; make; make install