From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: iproute uses too small of a receive buffer
Date: Wed, 28 Oct 2009 21:38:46 +0100
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Cc: Patrick McHardy <kaber@trash.net>,
	Stephen Hemminger <shemminger@vyatta.com>,
	NetDev <netdev@vger.kernel.org>
To: Ben Greear <greearb@candelatech.com>
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Ben Greear a =E9crit :

> Second:  Why bail on ENOBUFS at all?  I don't see how it helps the us=
er
> since they will probably just have to start it again, and will miss m=
ore
> messages than keeping going would have.
>=20
> And, even 1MB may not be enough for some scenarios.  So, probably bes=
t to
> let users over-ride the initial setting on cmd-line.  If not, then us=
e
> a large value to start with.
>=20

In this case, just dont call setsockopt() at all in "ip" and let system=
 use the
standard/default  value (/proc/sys/net/core/rmem_default) that an admin=
 can change
if he wants to handle one million devices :)