[LARTC] Kernel timer frequency and HTB

[lists at antonello.org]

Hello,
i have a linux box which is acting as a lan router towards the internet 
doing traffic shaping.
My link is 10Mbit/s full duplex.

I have set some HTB classes with a rate of 20% (2Mbit/s) and a ceil of 
95% (9.5Mbit/s). Is such an excursion of bandwidth in the HTB classes 
feasible for HTB to control?

What Timer frequency (kernel menuconfig) is the most suitable among 250, 
300 and 1000Hz for HTB? Also, I really don't have any ideas on how the 
frequency could affect the network adapter performance. Is a high 
frequency going to have bad effects on interrupts handling? Has anybody 
any suggestions about this issue?

I have some warnings about HTB quantums being too big, but as i 
understand, those should only affect the precision of the shaping 
without undermining the shaping completely.

Thank you a lot.
jack