Prolixium dot com: News >> Blog >> Another MTR Patch

I added decoding support to MTR for MPLS extensions to ICMP, today. Grab the patch here and read info here. It's based on some of the code in the NANOG traceroute patches and draft-ietf-mpls-icmp-02. It looks something like this with the curses interface (and only IPv4):

 Host                                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. br0.proton.prolixium.net                          0.0%    25   16.4   1.6   0.8  16.4   3.1
 2. ax0.scimitar.prolixium.net                        0.0%    24    2.3   2.1   1.5   5.7   0.8
 3. 73.16.200.1                                       0.0%    24    8.9   9.2   6.9  11.5   1.2
 4. GE-2-38-ur01.proctorrd.fl.westfl.comcast.net      0.0%    24    7.6   9.5   7.6  13.6   1.5
 5. te-8-1-ur01.palmerranch.fl.westfl.comcast.net     0.0%    24    8.5  10.2   8.1  15.9   1.8
 6. te-9-1-ar01.venice.fl.westfl.comcast.net          0.0%    24    8.1  10.3   8.0  20.6   2.6
 7. 12.124.85.25                                      0.0%    24   12.6  14.5  12.0  20.6   2.3
 8. tbr2.ormfl.ip.att.net [MPLS: Label 27758 Exp 0]   0.0%    24   29.0  26.1  23.8  29.8   1.7
 9. cr2.ormfl.ip.att.net [MPLS: Label 16735 Exp 0]    0.0%    24   24.5  26.1  23.7  41.8   4.1
10. cr1.attga.ip.att.net [MPLS: Label 16707 Exp 0]    0.0%    24   28.2  25.4  23.8  28.2   1.3
11. tbr1.attga.ip.att.net [MPLS: Label 27974 Exp 0]   0.0%    24   24.1  26.4  23.7  31.6   2.1
12. ggr4.attga.ip.att.net                             0.0%    24   24.2  45.4  22.4 225.8  57.4
13. 192.205.35.90                                     0.0%    24   30.3  29.9  28.4  34.3   1.4
14. nlayer.te1-1.ar2.DCA3.gblx.net                    0.0%    24   43.3  44.7  39.5  79.1   9.4
15. tge4-3.ar1.iad1.us.nlayer.net                     0.0%    24   41.2  48.9  39.9 102.5  16.9
16. g0-1.aggr2.iad1.us.nlayer.net                     0.0%    24   40.0  41.8  39.9  47.6   1.6
17. route-server.nlayer.net                           0.0%    24   57.0  41.7  39.3  57.0   3.5

It's based on MTR 0.72 (my mistake). I'll add one for 0.73 soon.