Re: [Bacula-users] Problems with Jumbo packets?
2012-01-06 12:28:20
Hi,
You can use ping to check the end-to-end maximum MTU working size:
ping -Mdo -s 8000 192.168.X.X
increase or reduce the size (8000) until you get pings back from the FD client
(mine goes up to 8972)
Pablo
----- Original Message -----
From: "Frank Sweetser" <fs AT WPI DOT EDU>
To: bacula-users AT lists.sourceforge DOT net
Sent: Friday, January 6, 2012 11:34:44 AM
Subject: Re: [Bacula-users] Problems with Jumbo packets?
On 01/06/2012 11:30 AM, Wolfgang Denk wrote:
> Hello,
>
> I know that this is not exactly related to Bacula, but maybe some
> other user has seen similar behaviour.
>
> I have problems when trying to enable support for jumbo frames on the
> network. All NICs and switches are supposed to support that, however
> on some systems the communication of the FD to the SD stops as soon as
> I change on the FD the MTU from the default of 1500 to a higher value
> (9000). The MTU on the DIR and SD can be set to 9000 without visible
> impact on bacula.
Are all of the machines on the same subnet? If not, you'll also have to check
the MTU on all of your local router interfaces.
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