topic Re: flow control settings on ifgrp and the underlying physical ports in ONTAP Discussions

flow control settings on ifgrp and the underlying physical ports

ACHOU_SIMG — Fri, 13 Nov 2015 00:53:41 GMT

Hi,

Environment: cDOT 8.3GA on FAS8020HA

Could someone help me understand whether the traffic on ntap01-01:a0a has "full" flow control?

a0a is an ifgrp based on e0c and e0d which have flowcontrol set to none below.

It seems to me flowcontrol can only be set at the physical port level, not at ifgrp or VLAN levels (I don't see the options)?

ntap01::> network port show -fields node,port,mtu,flowcontrol-admin,flowcontrol-oper
node         port mtu flowcontrol-admin flowcontrol-oper
------------ ---- ---- ----------------- ----------------
ntap01-01 a0a 9000 full              -
ntap01-01 e0M 1500 none              none
ntap01-01 e0a 9000 none              none
ntap01-01 e0b 9000 none              none
ntap01-01 e0c 9000 none              none
ntap01-01 e0d 9000 none              none
ntap01-01 e0e 9000 none              none
ntap01-01 e0f 9000 full              none

Thanks in advance for your help.

Re: flow control settings on ifgrp and the underlying physical ports

Sahana — Fri, 13 Nov 2015 03:24:03 GMT

Please refer http://mysupport.netapp.com/NOW/cgi-bin/bol?Type=Detail&Display=691359

Re: flow control settings on ifgrp and the underlying physical ports

ACHOU_SIMG — Fri, 13 Nov 2015 19:12:00 GMT

Thanks, Sahana.

Does that imply that vlan and ifgrp use the underlying physical ports' MTU, flow control, etc. values?

Thanks!

Re: flow control settings on ifgrp and the underlying physical ports

Sahana — Tue, 17 Nov 2015 02:20:51 GMT

Yes.

Re: flow control settings on ifgrp and the underlying physical ports

john_szakacs — Thu, 02 Nov 2017 02:30:42 GMT

I am not seeing inheritance of the flow control. I have flow control off on all underlying ports and the ifgrps are all at 'Full'

We did not set this and the ports had flow control none from the start.

John