Eric Lucas on 11 Jul 2015 09:03:04 -0700


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Re: [PLUG] Basic network monitoring and link quality software


Hey, this is very interesting!

Here's the output for the first run:

mtr --report -c3 www.google.com                                            
Start: Sat Jul 11 11:31:25 2015
HOST: saturn                      Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.10.10.1                 0.0%     3    1.2   2.0   1.2   3.8   1.4
  2.|-- L100.PHLAPA-VFTTP-71.veri  0.0%     3    6.3  33.9   6.3  87.2  46.2
  3.|-- G102-0-0-16.PHLAPA-LCR-21  0.0%     3    9.5  28.5   9.5  55.7  24.2
  4.|-- ae5-0.PHIL-BB-RTR1.verizo  0.0%     3   57.6  28.0   9.2  57.6  25.9
  5.|-- 0.xe-7-0-2.XL1.IAD8.ALTER  0.0%     3   47.9  25.9  12.5  47.9  19.2
  6.|-- 0.xe-8-2-0.GW9.IAD8.ALTER  0.0%     3   10.7  55.5  10.7 143.9  76.6
  7.|-- google-gw.customer.alter.  0.0%     3   51.3  81.0  47.0 144.7  55.2
  8.|-- 209.85.252.46              0.0%     3   69.1 110.3  69.1 182.8  63.0
  9.|-- 209.85.143.112             0.0%     3   17.2  45.1  16.5 101.5  48.9
 10.|-- 216.239.40.209             0.0%     3   23.0  23.9  16.6  32.1   7.7
 11.|-- 72.14.236.227              0.0%     3   98.2  89.1  25.7 143.5  59.4
 12.|-- 209.85.250.7               0.0%     3   26.3  33.1  26.3  45.6  10.8
 13.|-- yyz08s14-in-f19.1e100.net 33.3%     3  115.2  71.7  28.2 115.2  61.5

about 3 minutes later...

Start: Sat Jul 11 11:34:30 2015
HOST: saturn                      Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- 10.10.10.1                 0.0%     3    1.4   1.4   1.2   1.6   0.0
  2.|-- L100.PHLAPA-VFTTP-71.veri  0.0%     3    4.8   5.8   4.8   6.4   0.7
  3.|-- G0-9-3-2.PHLAPA-LCR-22.ve  0.0%     3   10.3  11.1  10.2  12.9   1.4
  4.|-- ae6-0.PHIL-BB-RTR2.verizo  0.0%     3    5.9  33.5   5.9  85.5  45.1
  5.|-- 0.xe-11-1-1.XL2.IAD8.ALTE  0.0%     3   13.4  12.7  11.4  13.4   0.7
  6.|-- 0.xe-9-1-0.GW9.IAD8.ALTER  0.0%     3   13.8  11.5  10.0  13.8   1.9
  7.|-- google-gw.customer.alter.  0.0%     3   19.0  19.4  15.3  23.8   4.2
  8.|-- 209.85.252.80              0.0%     3   14.6  15.5  12.5  19.4   3.5
  9.|-- 72.14.236.152              0.0%     3   14.1  13.3  12.8  14.1   0.7
 10.|-- 216.239.40.159             0.0%     3   16.2  16.0  15.3  16.4   0.0
 11.|-- 72.14.236.225              0.0%     3   28.1  30.0  27.2  34.9   4.1
 12.|-- 72.14.239.19               0.0%     3   28.4  27.9  27.2  28.4   0.0
 13.|-- yyz08s09-in-f18.1e100.net  0.0%     3   31.5  29.7  27.0  31.5   2.2

So, in analyzing my Verizon FiOS, should I only concerned about rows #2 #3, and #4?
Row 4 in the second run seems suspicious (85.5 for worst?)

Eric

On Fri, Jul 10, 2015 at 3:29 PM, <bergman@merctech.com> wrote:
In the message dated: Fri, 10 Jul 2015 12:21:14 -0400,
The pithy ruminations from "Keith C. Perry" on
<[PLUG] Basic network monitoring and link quality software> were:
=> Quick question, since my brain is on other things right now...
=>
=> A friend of mine, due to some Comcast issues, wants to monitor his internet bandwidth- not just for availability but if possible, also for quality (i.e. am I getting the bandwidth I am paying for).
=>
=>

For monitor route quality (which can have a major affect on throughput, even
if there's adequate bandwidth), I recommend "mtr" with the "report mode"
option. You can run this periodically from 'cron', as in:

        mtr --report -c 3  interesting.site.fqdn

Mark


=>
=> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
=> Keith C. Perry, MS E.E.
=> Owner, DAO Technologies LLC
=> (O) +1.215.525.4165 x2033
=> (M) +1.215.432.5167
=> www.daotechnologies.com
=>
=> ___________________________________________________________________________
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=>
--
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