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Monitor my ISP performance

By Gigelul ·
We have a 64k leased line for Internet connection. I'm worry about the quality of this connection (or quality of the ISP's services). Sometimes I can't access websites out of the country or I have a very slow speed websites load.
Configuration:
-Full WinNT network. + 1 Linux server (Slakware8.0) for communications (e-mail and browsing/download, without web server-redirected to other website).
-35 computers have access to this communication server. I know that 35 computers can be a little more for 64k but I'm monitoring the LAN and not here is the problem.
-applications used: IE6.0, MS Outlook and all patches/updates were applied.
-The Linux server is connected to Internet with a radio modem to our ISP (I don't have other option in this area). Somebody tell me that the weather and radio communication can be a problem. I don't think, it works at 3GHz.
I speak with my ISP when the problems were occurred and he told me that the problems were a router or FO cable or etc. But it's happened frequently.
I wish a monitoring/testing procedure with log files for a long period of time (one month) to fix/negotiate these problems with my ISP (I can't change very easy the ISP).
If somebody need more details I will post.
Thank you.

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Monitor my ISP performance

by Data Ninja In reply to Monitor my ISP performanc ...

A simple program you can leave running is NetMonitor by Kissco (free). I realize there are more powerful applications out there to do this such as NetMedic, it just depends on the level of information you are needing.
Kissco Software
29 Hubble
Irvine, CA 92618
US
Phone: 949-727-3233
Web: http://www.kissco.com

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Monitor my ISP performance

by Gigelul In reply to Monitor my ISP performanc ...

See my comments.
Thank anyway

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Monitor my ISP performance

by TimTheToolMan In reply to Monitor my ISP performanc ...

Hi,

Another thing you can do is to use tracert to determine the links that are causing the slowdowns.

Typing...

tracert <some address>

at the command prompt gives you that information. For example...

E:\Documents and Settings\Tim Medhurst>tracert www.google.com

Tracing route to www.google.com [216.239.35.101]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms GWSERV [192.168.0.1]
2 26 ms 22 ms 19 ms 172.31.18.24
3 24 ms 22 ms 23 ms 172.31.52.24
4 23 ms 22 ms 23 ms CPE-61-9-207-29.nsw.bigpond.net.au [61.9.207.29]

5 25 ms 22 ms 23 ms kent-matrix-r01.nsw.ipm.bigpond.com [203.18.76.7
1]
6 23 ms 22 ms 22 ms GigabitEthernet5-0-0.ken8.Sydney.telstra.net [13
9.130.7.13]
7 23 ms 22 ms 23 ms GigabitEthernet3-0.ken-core4.Sydney.telstra.net
[203.50.12.153]
8 24 ms 23 ms 22 ms Pos2-0.pad-core4.Sydney.telstra.net [203.50.6.22
]
9 23 ms 22 ms 23 ms GigabitEthernet0-0.syd-core01.Sydney.net.reach.c
om [203.50.13.242]
10 211 ms 211 ms 211 ms 202.84.143.5
11 210 ms 211 ms 211 ms i-13-0.paix-core01.PaloAlto.net.reach.com [202.8
4.251.49]
12 211 ms 211 ms 212 ms 611.ge13-0.mpr2.pao1.us.mfnx.net [209.249.0.177]

13 213 ms 212 ms 210 ms pos2-0.mpr1.pao1.us.mfnx.net [208.184.232.181]
14 211 ms 211 ms 211 ms so-3-2-0.cr1.sjc3.us.mfnx.net [208.184.232.177]

15 212 ms 211 ms 211 ms pos0-0.er2a.sjc3.us.mfnx.net [208.185.175.190]
16 213 ms 213 ms 214 ms sjni1-gige-1-1.google.com [64.124.78.29]
17 214 ms 215 ms 214 ms sjbi1-1-1.net.google.com [216.239.47.162]
18 212 ms 215 ms 215 ms www.google.com [216.239.35.101]

Trace complete.

(continued)

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Monitor my ISP performance

by TimTheToolMan In reply to Monitor my ISP performanc ...

(I dont know how thats going to look with TR's formatting...hmmm... readable at least) but this shows that the big slowdown is out of my ISP and on to the next router... So my ISP has a relatively slow link to that machine.

By doing careful tracerts at various times when things are busy and when they're not, you be able to narrow down the exact link(s) that are causing you trouble.

Maybe that will be within your ISP's network (In which case the answer is a no brainer - get another ISP, or it may be on a hop that your ISP has no control over - in which case changing ISPs may or may not have any effect.

Hope this helps,
Cheers,
Tim.

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Monitor my ISP performance

by Gigelul In reply to Monitor my ISP performanc ...

Trace route is a good diagnostic tool but not a monitoring tool.
Thank you

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Monitor my ISP performance

by Gigelul In reply to Monitor my ISP performanc ...

I read about NetMonitor but appear to be for home users (or single user). I want on overview about WAN performance not only for my workstation.
I miss to say that the network architecture is based on switches (star topography).

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Monitor my ISP performance

by timwalsh In reply to Monitor my ISP performanc ...

Several possible issues (if your problem is intermitant):

1. Your ISP may have limited bandwidth. If that bandwidth gets bogged down, all of your ISP's customers would be affected. See if you can find other of your ISP's customers and compare notes.
2. If there are times when you can only access websites inside your country but not outside, that is probably not even your ISP's problem unless they are the only ISP in your country. That may be a nissue with the main nodethat funnels Internet traffic from your country elsewhere.
3. Sometimes the Internet is slow. If a major continental node is having problems or outages, that means other nodes will have greatly increased traffic to route, which can slow down everybody.
4. If yourely on radio communications to connect to your ISP (as opposed to a hard-wired connction), yes, that can create a whole other set of problems. If your modem is operating at 3GHz, you are definitely operating in the line-of-site frequency range. If there are obstructions between you and your ISP, your signal quality can be affected. Electrical storms can definitely affect signal quality. Other transmitters that operate at or near your frequency can affect signal quality, especially if they are pumping out more power. Consider things like moving your antenna to a more advantageous location, or getting a modem with a more powerful transmitter (if they exist and are allowed).

Other things to check:
Look for patterns - slow-downs occur during certain times of day or certain days of the week, or in certain types of weather.
When slow-downs occur, try running tracert to determine where the bottlenecks might be.
If any of your connection equipment was provided/configured by your ISP, try and get their tech support to verify that the equipment is working properly.
(continued)

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Monitor my ISP performance

by timwalsh In reply to Monitor my ISP performanc ...

While I can't give you a recommendation on monitoring software, I hope this helps you troubleshoot your problem.

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Monitor my ISP performance

by Gigelul In reply to Monitor my ISP performanc ...

Poster rated this answer

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Monitor my ISP performance

by Gigelul In reply to Monitor my ISP performanc ...

TimTheToolMan
That is I'm doing for the moment. But not all the time I can check. I scheduled the task and also I create a log file but am hard to read/check this log. In addition a problem can be occur for an half hour and if in this time I don'tcheck, I missed the event.

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