From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonardo Balliache Date: Sat, 21 Jun 2003 16:51:35 +0000 Subject: [LARTC] Linux policing Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lartc@vger.kernel.org At 09:14 a.m. 20/06/03 +0100, you wrote: Hi Andrew, I'm not sure if I understand what your answer is. Policing is done at=20 ingress. If you are talking about the process of setting the DSCP it is=20 done at egress using DSMARK. I don=B4t know (talk with Patrick or Stef) if = by=20 using IMQ (as I understand it is some kind of virtual interface, not sure, = either) you could install a DSMARK on this interface to mark packets when=20 entering the router. Really don=B4t know. Again I=B4m not sure if I am=20 understanding the sense of your answer. If you are not hurry do not hesitate to contact me again, but I'm always=20 late with my e-mail replies. Best regards, Leonardo Balliache >cheers. >Having had another look at the kernel, and at the lartc howto it seems that >tc filter when policing may be able to reclassify out of profile traffic to >BE, but no more than this, without first putting traffic into a queue. > >Andrew > >-----Original Message----- >From: Leonardo Balliache [mailto:leoball@opalsoft.net] >Sent: Wednesday, June 18, 2003 7:39 PM >To: Andrew.Burnside@thalesgroup.com >Cc: lartc@mailman.ds9a.nl >Subject: Re: LARTC digest, Vol 1 #1233 - 16 msgs > > >Andrew: > >Differentiated Service on Linux HOWTO (work in progress) could be of some >help for you. > >Have a look at http://opalsoft.net/qos > >Best regards, > >Leonardo Balliache > > >Message: 6 > >From: "Burnside, Andrew" > >To: "'lartc@mailman.ds9a.nl'" > >Date: Wed, 18 Jun 2003 13:24:44 +0100 > >Subject: [LARTC] DiffServ Marking > > > >I am trying to compare the behaviour of the Linux DiffServ implementation > >with that of Cisco, in DSCP remarking for traffic policing. > >As I understand it, the DSCP is marked at the egress interface (parent > >queue), based on the class that packets are in. > > > >I am looking at what happens at an inter-AS boundary. > >DSCP marked traffic coming into the Edge Router need to be policed and > >remarked: > >e.g. EF traffic up to 2Mbps marked as EF > >EF traffic beyond 2Mbps should be policed and remarked as BE. > >Is there a way to do this remarking before the traffic is segregated into > >egress queues? > > > >Cheers > > > >Andrew _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/