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Date:      Thu, 18 Mar 2021 10:14:10 -0400
From:      Jason Breitman <jbreitman@tildenparkcapital.com>
To:        Gerrit Kuehn <gerrit.kuehn@aei.mpg.de>
Cc:        freebsd-net@freebsd.org
Subject:   Re: NFS Mount Hangs
Message-ID:  <DFFB2A81-D13D-4A7E-9FEB-133E6ED257C5@tildenparkcapital.com>
In-Reply-To: <20210318090645.2e0d992f@comet2.terra.ger>
References:  <C643BB9C-6B61-4DAC-8CF9-CE04EA7292D0@tildenparkcapital.com> <3750001D-3F1C-4D9A-A9D9-98BCA6CA65A4@tildenparkcapital.com> <33693DE3-7FF8-4FAB-9A75-75576B88A566@tildenparkcapital.com> <YQXPR0101MB0968DC18E00833DE2969C636DD6A9@YQXPR0101MB0968.CANPRD01.PROD.OUTLOOK.COM> <CAOtMX2gQFMWbGKBzLcPW4zOBpQ3YR5=9DRpTyTDi2SC%2BhE8Ehw@mail.gmail.com> <YQXPR0101MB09681291684FC684A3319D2ADD6A9@YQXPR0101MB0968.CANPRD01.PROD.OUTLOOK.COM> <789BCFA9-D6BC-4C5A-AEA2-E6F7C6E26CB5@tildenparkcapital.com> <20210318090645.2e0d992f@comet2.terra.ger>

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The laggproto is lacp and the switch is made by Extreme Networks.

Jason Breitman


On Mar 18, 2021, at 4:06 AM, Gerrit Kuehn <gerrit.kuehn@aei.mpg.de> wrote:


On Wed, 17 Mar 2021 18:17:14 -0400
Jason Breitman <jbreitman@tildenparkcapital.com> wrote:

> I will look into disabling the TSO and LRO options and let the group
> know how it goes. Below are the current options on the NFS Server.
> lagg0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST>
> metric 0 mtu 1500
> options=3De507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWC=
SUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>

What laggproto are you using, and what kind of switch is connected on
the other end?


cu
Gerrit
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