On Sat, Mar 29, 2003 at 12:15:44PM +0000, Francesco Oppedisano wrote:
> >Are you asking if there are netfilter hooks in MPLS? Not, not yet.
>
> i'm not a kernel hacker but it seems not to be an hard task to put a
> netfilter hook in mpls....isn't it?
Shouldn't be. In fact there is someone working on it. I do not know
the status of their work.
> > As far as I know there are only netfilter hook in the IPv4 and IPv6 code.
> > Remember there are two differnt path a packet can take to get into the
> > MPLS code:
> > -packet arrives at ethernet driver with protocol ID of 0x8847
> > (LSR or egress LER)
> > -packet get diverted from IPv4 into MPLS (ingress LER)
>
> Yes i know this...
>
> >May I ask what you are trying to do? Maybe I can help point you in the
> right direction.
>
> I'm working on a Diffserv over MPLS trial and i have to implement a system
> which takes some measures on aggregate flows and decides if more provisioning
> is needed (really i'm not sure how to do everything, but now this is not the
> problem...the problem in WHERE); so my idea was to make a netfilter hook but
> now i have to take another way...but the problem is: to intercept a packet at
> any place of the path i have to put a call to my code in that place (i.e. i
> have to hack mpls code) or i can make a module and tell the kernel (in some
> way) where to plug it in the path (without hacking mpls code)?
> At the moment i'm only analysing the code to decide how and where to plug my
> system in the kernel code, after this i can think what it had to do ;-).
Do you want to measure the flows at the LER or the LSR?
> PS: Thank you Ramon for the interesting pointers :-)))
> PPS: anyone knows why i'm not receiving ML replies in my e-mail....i read the
> replies on the web :-((
I've been getting some "undeliverables" from the mailing list admin account
I'll look to see if you account is one of them.
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--
James R. Leu
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