[e2e] Linux, firewalls and ECN deployment

[Mark Allman]

(catching up -- slowly)

> When I recompile my (most recent) Linux kernel, there's ECN
> support somewhere under "advanced networking". By default,
> it is disabled, and there is a recommendation to disable it
> because some misconfigured firewalls will disable access if
> you turn it on.
> 
> Now, my questions are:
> 
> 1. is this still true? are there any measurements that show this?

I would also be interested in knowing if the network actually marks
packets with CE if ECN is turned on?  And, in what sort of numbers?

allman

--
Mark Allman -- BBN/NASA GRC -- http://roland.grc.nasa.gov/~mallman/