Re: [LARTC] TC Hashing Filters

["Walt Wyndroski" <wdwrn@friendlycity.net>]

Where can I find that app? I would like to evaluate it for my site.

Regards,

Walt Wyndroski


----- Original Message ----- 
From: <zoop@lone.ath.cx>
To: "Adam Towarnyckyj" <adamt@commspeed.net>; <lartc@mailman.ds9a.nl>
Sent: Tuesday, July 06, 2004 3:16 PM
Subject: RE: [LARTC] TC Hashing Filters


> The reason I asked about if you were doing this for an ISP is that I worte
an app to
>  track IP's and the bandwidths associated with them,  and it will generate
the TC
> commands for you.  It uses HTB though.
>
> Adam Towarnyckyj (adamt@commspeed.net) wrote:
> >
> >zoop@lone.ath.cx wrote:
> >>> # Create filter to hash out last octet and link to hash table 2:
> >>> tc filter add dev eth1 protocol ip parent 1:1 prio 5 u32 ht
> >>>800:: match ip src 216.19.49.0/24 hashkey mask 0x000000ff at 12 link
> >2:
> >>
> >>
> >>I think this needs to be attached to the root.
> >>parent 1:0
> >
> >Catalin BOIE (util@deuroconsult.ro) wrote:
> >>> # Create root qdisc
> >>> tc qdisc add dev eth1 root handle 1:0 cbq bandwidth 200Mbit
> >avpkt 1000
> >>> # Create a "transit class"
> >>> tc class add dev eth1 parent 1:0 classid 1:1 cbq bandwidth
> >200Mbit
> >>> rate 200Mbit allot 1514 weight 2Mbit prio 8 maxburst 10 avpkt 1000
> >>> # Create hash table attached to transit class
> >>> tc filter add dev eth1 parent 1:0 handle 2: protocol ip u32
> >divisor 256
> >>> # Create filter to hash out last octet and link to hash table 2:
> >>> tc filter add dev eth1 protocol ip parent 1:1 prio 5 u32 ht
> >>> 800:: match ip src 216.19.49.0/24 hashkey mask 0x000000ff at 12 link
> >2:
> >>> # Create class for 128Kbit limit
> >>> tc class add dev eth1 parent 1:0 classid 1:2 cbq bandwidth
> >>
> >>I think here is parent 1:1, right?
> >>
> >>> 200Mbit rate 128kbit allot 1514 prio 5 maxburst 20 avpkt 1000 bounded
> >>> # Create filter for IP I'm limiting
> >>> tc filter add dev eth1 protocol ip parent 1:0 prio 5 u32 ht 2:8c
> >
> >>> match ip src 216.19.49.140 flowid 1:2
> >
> >
> > I have tried both of your suggestions and it is still allowing
> >all traffic to pass through. Thank you for the help though. Here is what
> >I have now:
> >
> ># Create root qdisc
> >tc qdisc add dev eth1 root handle 1:0 cbq bandwidth 200Mbit avpkt 1000
> >
> ># Create transit class
> >tc class add dev eth1 parent 1:0 classid 1:1 cbq bandwidth 200Mbit rate
> >200Mbit allot 1514 weight 2Mbit prio 8 maxburst 10 avpkt 1000
> >
> ># Create hash table and attach to transit class
> >tc filter add dev eth1 parent 1:1 handle 2: protocol ip u32 divisor 256
> >
> ># Create filter to hash out last octet and link to hash table 2:
> >tc filter add dev eth1 protocol ip parent 1:0 prio 5 u32 ht 800:: match
> >ip src 216.19.49.0/24 hashkey mask 0x000000ff at 12 link 2:
> >
> ># Create class for 128Kbit limit
> >tc class add dev eth1 parent 1:1 classid 1:2 cbq bandwidth 200Mbit rate
> >128kbit allot 1514 prio 5 maxburst 20 avpkt 1000 bounded
> >
> ># Create filter for IP I'm limiting
> >tc filter add dev eth1 protocol ip parent 1:0 prio 5 u32 ht 2:8c match
> >ip src 216.19.49.140 flowid 1:2
> >
> > If anyone can still see anything I'm doing wrong, I'd appreciate
> >it if you pointed it out. I've tried many different scenarios with
> >different parents and they still don't work. And as for the question
> >earlier about if I was doing this for an ISP, yes I am. If you would
> >like some help, and if I can get this to work, I plan on writing a How
> >To and posting it to a website so people can easily set this up
> >themselves. I find the lack of documentation on the subject quite
> >frustrating at times. Thanks all for your help.
> >
> >Adam Towarnyckyj
> >
> >_______________________________________________
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> >http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
> >
>
> --
> When dealing with a slow pipe, never underestimate the throughput of the
postal system.
>
>
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