Right, the machine I looked at here is 7-mode, running 8.1.4 and ifstat shows flowcontrol as disabled on the two ports.

Not sure about the ordering of the commands. Have you tried changing them?

hostname toasterA

ifgrp create lacp nfs_ifgrp -b mac e2b e1b

ifconfig e2b flowcontrol none

ifconfig e1b flowcontrol none

vlan create -g off nfs_ifgrp 100

ifconfig e0M 192.168.1.100 flowcontrol none netmask 255.255.255.0 partner e0M up

ifconfig nfs_ifgrp-100 192.168.0. netmask 255.255.255.0 mtusize 1500 partner nfs_ifgrp-100 trusted up nfo

route add default 192.168.0.1

Don’t think I’ve ever tried that. Once difference is I don’t have any vlan statements on mine.

--rdp

From: Jordan Slingerland [mailto:Jordan.Slingerland@independenthealth.com]
Sent: Wednesday, January 22, 2014 2:54 PM
To: Payne, Richard; <Toasters@teaparty.net> (Toasters@teaparty.net)
Subject: RE: flow control and 10g interfaces - ifgrps and vlans

Okay, thanks.  That is actually how they were on this unit and ifstat reports flowcontrol is on. I also, thanks Jeff, I should have mentioned I am currently on 7m 8.1.2p4

I actually noticed this when reading the 8.1.4 release notes and it mentioned a caution that you should review the order in the /etc/rc and if not in the recommended order, a panic may occur.

The 8.1 System Administration guide says it should be in this order:

hostname system_name

ifgrp commands

vlan commands

ifconfig commands

vfiler commands

route commands

[any other commands]

I guess that doesn’t account for all situation? 

https://library.netapp.com/ecm/ecm_download_file/ECMP1362386 - (page 128)

https://library.netapp.com/ecm/ecm_download_file/ECMP1136573 - (Page 148)

From: Payne, Richard [mailto:richard.payne@amd.com]
Sent: Wednesday, January 22, 2014 2:32 PM
To: Jordan Slingerland; <Toasters@teaparty.net> (Toasters@teaparty.net)
Subject: RE: flow control and 10g interfaces - ifgrps and vlans

You turn off flow control for the individual physical ports, not the trunked interface:

hostname toasterA

ifconfig e2b flowcontrol none

ifconfig e1b flowcontrol none

ifgrp create lacp nfs_ifgrp -b mac e2b e1b

vlan create -g off nfs_ifgrp 100

ifconfig e0M 192.168.1.100 flowcontrol none netmask 255.255.255.0 partner e0M up

ifconfig nfs_ifgrp-100 192.168.0. netmask 255.255.255.0 mtusize 1500 partner nfs_ifgrp-100 trusted up nfo

route add default 192.168.0.1

--rdp

From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of Jordan Slingerland
Sent: Wednesday, January 22, 2014 2:28 PM
To: <Toasters@teaparty.net> (Toasters@teaparty.net)
Subject: flow control and 10g interfaces - ifgrps and vlans

Can flow control be disabled on a vlan interface?

I tried in a simulator and It spits back “SIOCSFLOWCONTROL - Operation not supported by device” In the same simulator I can enable or disable it directly on the interface. 

Example RC:

hostname toasterA

ifgrp create lacp nfs_ifgrp -b mac e2b e1b

vlan create -g off nfs_ifgrp 100

ifconfig e0M 192.168.1.100 flowcontrol none netmask 255.255.255.0 partner e0M up

ifconfig nfs_ifgrp-100 192.168.0.100 flowcontrol none netmask 255.255.255.0 mtusize 1500 partner nfs_ifgrp-100 trusted up nfo

route add default 192.168.0.1

--Jordan

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