Date: Mon, 11 Mar 2013 17:59:54 +0800 From: Ihsan Junaidi Ibrahim <ihsan@grep.my> To: Andre Oppermann <andre@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: increasing 'requests for jumbo clusters denied' Message-ID: <8CBEE72C-81FB-47B2-98A9-C3C2A7FEA082@grep.my> In-Reply-To: <513D935E.2080202@freebsd.org> References: <1713E286-B096-44B6-846D-81854D6F809B@grep.my> <513D935E.2080202@freebsd.org>
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On Mar 11, 2013, at 4:18 PM, Andre Oppermann <andre@freebsd.org> wrote: > On 11.03.2013 08:52, Ihsan Junaidi Ibrahim wrote: >> Hi, >>=20 >> I'm on 9.0-RELEASE-p3 and have had a number of instances where my = igb0 network connectivity locked up under heavy load. >=20 > This problem is also known on CURRENT and we are under active = investigation > on how to solve it properly. >=20 >> I've had another em1 device which I used for side-band access which = does not have as much load as my primary igb0 device. >=20 > Jumbo mbufs are only used if you increase the MTU on your interface. > As long as you stay on the standard ethernet MTU of 1500 no jumbo > mbufs will be used. I'm actually using 9k jumbo on igb0 since it's a requirement of my = upstream customer. The server is functioning as some form of internal = route/tunnel server. The issue is manageable for now on my end and since this is being worked = on, I assume I can let it rest for now. Thank you.=
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