and I would say the OP wasn't even about elephant flows, just about a network that can't deliver anything acceptable.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Saku Ytti" <s...@ytti.fi> To: "Mark Tinka" <mark@tinka.africa> Cc: nanog@nanog.org Sent: Friday, September 1, 2023 8:29:12 AM Subject: Re: Lossy cogent p2p experiences? On Fri, 1 Sept 2023 at 14:54, Mark Tinka <mark@tinka.africa> wrote: > When we switched our P devices to PTX1000 and PTX10001, we've had > surprisingly good performance of all manner of traffic across native > IP/MPLS and 802.1AX links, even without explicitly configuring FAT for > EoMPLS traffic. PTX and MX as LSR look inside pseudowire to see if it's IP (dangerous guess to make for LSR), CSR/ASR9k does not. So PTX and MX LSR will balance your pseudowire even without FAT. I've had no problem having ASR9k LSR balancing FAT PWs. However this is a bit of a sidebar, because the original problem is about elephant flows, which FAT does not help with. But adaptive balancing does. -- ++ytti
