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From: Mikael Abrahamsson (no email)
Date: Fri Nov 07 2008 - 06:04:12 EST
On Fri, 7 Nov 2008, David Freedman wrote:
> Implementing this in an MPLS core is not an easy task, you can really
> only do this on the edge, when the MPLS labelled packet arrives at an
> LSR, we don't know if it contains a TCP segment or not (fancy deep h/w
> implementations excluded), all we know is that , if there is congestion,
> we can discard it based on the EXP bits in the shim.
I did some more checking and neither 12000 (IOS) nor CRS-1 seems to
support WRED with ECN (at least the command doesn't show when I create a
policy-map), so I'm going to ping my Cisco SE and hear about what's going
on.
-- Mikael Abrahamsson email:
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