Re: [Bacula-users] Problems with Jumbo packets?

Some Network card are supposed to "support" Jumbo frames but not as high value as 9000 octets.
I remember I had issues with some broadcom NIC that couldn't go further than 7200.
Maybe you could take a look at the NIC on the impacted hosts

regards

Le 06/01/2012 17:30, Wolfgang Denk a écrit :

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.

Funny thing is that this happens not on all systems.

Does this ring a bell somewhere?

Thanks in advance.

Best regards,

Wolfgang Denk

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz

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