Topic: QoS - badnwidth limit works on wan but not lan ?

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Post #1

Tex-Twil

1 Jul 2008, 16:42

Hi,
I'm playing with the QoS to limit the download bandwidth on "lan_public" lan.

First I tried to limiting the bandwidth every using the default qos config file /etc/config/qos and it works fine.

INTERFACES:
config interface wan
       option classgroup  "Default"
       option enabled      1
       option overhead     1
       option upload       128
       option download     1024
       ....

With QoS disabled I have my 20Mbps download, if I enable the QoS it drops correctly to 1Mbps

Now, instead of applying this setting to the "wan" interface, I would like to apply it to my public vlan called "lan_public" in /etc/init.d/network. I tried simply replacing the interface option in the qos config:

INTERFACES:
config interface lan_public
       option classgroup  "Default"
       option enabled      1
       option overhead     1
       option upload       128
       option download     1024
       ....

In this case, when I enable the QoS, the bandwidth drops to ... 15KB/s !?

First of all, is this the correct approach ? If yes, what am I doing wrong ?

Thanks for your kind help.

cheers
Tex

(Last edited by Tex-Twil on 1 Jul 2008, 17:56)

Post #2

normunds

1 Jul 2008, 17:17

15k x 8 = 120 change the values or swap the values 128 and 1024 for upload and download. I might be rectified
norms

Post #3

Tex-Twil

1 Jul 2008, 17:57

normunds wrote:

15k x 8 = 120 change the values or swap the values 128 and 1024 for upload and download. I might be rectified
norms

I don't really get what you mean. 15KB/s = 15x8 Kbps = 120 Kbps. Ok but this is far from being the 1024Kbps specified.

Tex

Post #4

Tex-Twil

1 Jul 2008, 18:10

oh now I know what you mean. It looks like the "upload" and "download" are realative to the opewrt system:

option upload -> upload from the lan interface to a lan host = download for the host
option download -> download to the lan interface from a lan host = upload for the host

so I set:

config interface lan_public
    option classgroup  "Default"
    option enabled      1
    option overhead     1
    option upload       1024
    option download     512

and this actually works

It was working for the wan cos the wan interface is on the "other side" so a download for a wan = download for a lan host

thanks,
Tex

(Last edited by Tex-Twil on 1 Jul 2008, 18:11)

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