explain how to test QOS

RouterOS General
1

Hi Folks,

Like many of us I am playing with queues (tree & simple) to achieve QOS solutions on RouterOS. I have built many configs in my lab environment using examples from the wiki, manual and peoples comments here in the forum.

My question is this:

Can anyone explain to me some good tricks and methods for testing setups to be sure they are working?

I am often able to get the queues to show me that they are passing traffic, but I am never sure if the prioritization of traffic is working properly. I have tested with my VOIP system and often find that if I am on a call and then push some web traffic my voice call breaks up. This says to me that my QOS is not right…

Tips appreciated.

Alex

2

Here’s one:
http://robert.rsa3.com/traffic.html

3

Hey butch,

thanks for the reply. I normally use qcheck and Iperf to do my traffic generation.

I particularly like Iperf as I can set some TOS to the packets.

My problem really comes in to examining the configs in the mikrotik…

… doh… In writing this I have just answered my own question.

What I really want to do is examine the packets as they enter the router to see how the DSCP and TOS marks are applied and where they go.

I can of course do this with the sniff function and wireshark. I can also export a netflow to my ntop box…

Anyway thanks for the tips…