On 2012/08/27 14:37, Todd And Margo Chester wrote:
> On 08/27/2012 01:57 PM, Carl Friedberg wrote:
>
>>> -----Original Message-----
>>> From: [log in to unmask] [mailto:owner-
>>> [log in to unmask]] 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
>  > [log in to unmask]
>  > www.comets.com
>  > Problems Solved
>  >
>  >
>
> Where would I go to check on this?  Is there a utility?
>

ifconfig comes to mind.
{^_^}