[c-nsp] QoS/NBAR 7200 for L2TP ADSL

[Oliver Boehmer (oboehmer)]

cisco-nsp-bounces at puck.nether.net <> wrote on Monday, October 16, 2006
12:15 PM:

> Hi,
> 
> I'm currently having much fun and games trying to get QoS
> working (inbound) on a 7200. The aim is to
> limit the overall DSL load to 6mbit in total, but excluding
> some protocols/IPs. This bit's fine,
> I've got that config working, but as the packets are L2TP,
> the filtering isn't working at all.
> 
> Topology is as follows:
...
> We have been trying to work out the best solution to get
> around this and have finally got a bit
> stuck. The solution doesn't have to be clean, so any
> suggestions would be appreciated.

The LNS is not able to inspect the encapsulated IP pkt to perform some
fancy classification. Can you implement the policy outbound on the
uplink interface to your core instead? I don't think it makes a
difference where you drop the excess traffic, it reaches your box either
way.

	oli