Re: Priority queueing within existing class

[jamal <hadi@cyberus.ca>]

On Wed, 30 Aug 2000, Allan McIntosh wrote:

> 
> Hey
> 
> I have a divided bandwidth using cbq and would like to provide priority
> packet handling to certain traffic within the divided bandwith.
> 
>                 ------
>                |10/100|
>                | card |
>                 ------
>                   |
>                   |   
>                 ----         
>                |4.5 |
>                |Mbit| <- at this point could I assign prefered packet
>                 ----            handling at this point
> 
> 
> 
> # all traffic goes through at 4.5Mbits at  priority 25 with  
> filter add dev $INT_DEV parent 10:0 protocol ip prio 25 u32 \
>                         match ip dst 0.0.0.0/0 flowid 10:100
> 
> 
> 
> #then assign a specific ip higher priority on the same flowid???
> tc filter add dev eth1 parent 10:0 protocol ip prio 1 u32 match ip dst
> 192.168.2.10 flowid 10:100 
> 
> 
> I was wondering if that should work. Or could anyone suggest a better
> method?
> 
> 
> I was wondering if that should work. Or could anyone suggest a better
> method?
> 

This is a really good way to stress your question ;->

> 
> Or do you think I have to go higher and create another class with a new
> flowid?
> 
> not sure how to go about this one. 
> 

The classifier priority has nothing to do with a classes priority.

You have to use either the prio or cbq qdiscs and explicitly state 
priorities.

cheers,
jamal