Date: Mon, 13 Mar 2006 16:05:06 -0500 From: Charles Swiger <cswiger@mac.com> To: Sean Murphy <smurphy@calarts.edu> Cc: freebsd-questions@freebsd.org Subject: Re: NIC and Jumbo Frames Message-ID: <4B103F6D-B922-4E68-97A7-07E608ABF361@mac.com> In-Reply-To: <4415CE9A.2060700@calarts.edu> References: <4415CE9A.2060700@calarts.edu>
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On Mar 13, 2006, at 2:57 PM, Sean Murphy wrote:
> How do I set Jumbo Frames on a Gigabit NIC in FreeBSD?
ifconfig _device_ mtu 8192
...where you would use em0, bge0, or whatever the actual interface
device is.
See the manpages for the various devices, for example "man em":
Support for Jumbo Frames is provided via the interface MTU
setting.
Selecting an MTU larger than 1500 bytes with the ifconfig(8)
utility con-
figures the adapter to receive and transmit Jumbo Frames. The
maximum
MTU size for Jumbo Frames is 16114.
...which usually will discuss the MTU sizes the specific devices can
handle.
--
-Chuck
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