[LARTC] Handle limit in filter

[Raj Mathur]

>>>>> "Kajetan" == Kajetan Staszkiewicz <kajtek at biezanow.net> writes:

    Kajetan> Dnia piątek, 18 sierpnia 2006 21:16, Raj Mathur
    Kajetan> napisał(a):
    >> >>>>> "Marek" == Marek Kierdelewicz <marek at piasta.pl> writes:
    >> >> I've written a minimal sort of Perl module that dynamically
    >> >> creates and destroys traffic control rules for specific IPs.
    >> >> I'm currently using it for a user bandwidth control
    >> application >> at a client site.
    >> 
    Marek> Been there, done that...
    >>
    Marek> Better regenerate whole tc config and load it using "tc
    Marek> -b". It's faster then many calls to tc binary (no context
    Marek> switching overhead).
    >> I don't really know what effect resetting the tc configuration
    >> every few seconds would have on logged in users.  What happens
    >> to the existing connections when the whole thing is reloaded?
    >> Will they jitter?  Or roll over and die, or just continue
    >> behaving as they were?
    >> 
    >> Wouldn't writing out commands for a few hundred connections
    >> into a file and loading that file take a significant amount of
    >> time?

    Kajetan> I'm generating huge tc setup from database and loading it
    Kajetan> (which takes significant amount of time) only on router
    Kajetan> startup or reloading whole router configuration.

As I suspected... I wonder if Marek's solution would work in a
significantly dynamic environment? Any thoughts Marek?

    Kajetan> To change speed limit of single host in network I'm using
    Kajetan> `tc class change`, which goes fast.

I have to keep adding and deleting classes as users login and logout.
I'm afraid change is not an option for me.

Regards,

-- Raju
-- 
Raj Mathur                raju at kandalaya.org      http://kandalaya.org/
       GPG: 78D4 FC67 367F 40E2 0DD5  0FEF C968 D0EF CC68 D17F
                      It is the mind that moves