On 08/27/2012 03:16 PM, jdow wrote:
On 2012/08/27 14:37, Todd And Margo Chester wrote:
On 08/27/2012 01:57 PM, Carl Friedberg wrote:
-----Original Message-----
From: [email protected] [mailto:owner-
[email protected]] On Behalf Of Todd And Margo
Chester
Sent: Monday, August 27, 2012 4:49 PM
To: Scientific Linux Users
Subject: jumbo frames?
Hi All,
Can anyone tell me what this means?
just disable jumbo frames on centos host interface
ifcfg and ethernet switch.
Many thanks,
-T
> Todd and Margo Chester:
>
> I can give you some information.
>
> jumbo frames refer to a capability to send very large packets
> over gigabit Ethernet (somewhere near 9,000 bytes), as
> opposed to the traditional ~1500 byte packet size on
> traditional Ethernet.
>
> This only works between two end-points if every switch
> handling the frame/packet has jumbo frame capability
> enabled.
>
> There have been instances (I've run into them, but not
> on SL) where enabling jumbo frames can cause issues.
>
> So, since you didn't provide context on that piece of
> advice, I can't guess why they were suggesting
> disabling jumbo frames.
>
> Typically, jumbo frames are disabled by default (but,
> I don't know what the SL policy is).
>
> Carl
>
> Carl Friedberg
> www.about.me/carl.friedberg
> [email protected]
> www.comets.com
> Problems Solved
>
>
Where would I go to check on this? Is there a utility?
ifconfig comes to mind.
{^_^}
$ ifconfig virbr0
virbr0 Link encap:Ethernet HWaddr 52:54:00:EB:2D:7B
inet addr:192.168.122.1 Bcast:192.168.122.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
What am I looking for?
