Ports in an ifgroup report link down but are physically up

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Category:: ontap-9

Specialty:: nas

Last Updated:

Applies to

ONTAP 9
Networking
Interface Group (IFGRP)
LACP (Link Aggregation Control Protocol)
LACP Data Units (LACPDUs)

Issue

Multiple ports in an IFGRP show down in network port ifgrp show, and the IFGRP reports ERROR:

 Node:<node_name>

 Interface Group Name: a0a

 Distribution Function: ip

 Create Policy: multimode_lacp

 MAC Address: xx:xx:xx:xx:xx:xx

 Port Participation: partial

 Network Ports: e1a, e1b, e1c, e1d

 Up Ports: e1b, e1d

 Down Ports: e1a, e1c

MM/DD/YYYY 00:00:00 VSERVER ERROR net.ifgrp.lacp.link.inactive: ifgrp a0a, port e0a has transitioned to an inactive state. The interface group is in a degraded state.

However, sysconfig -a shows the ports as physically up:

e0d MAC Address: xx:xx:xx:xx:xx:xx (auto-10g_sr-fd-up) e0c MAC Address: xx:xx:xx:xx:xx:xx (auto-10g_sr-fd-up) e0b MAC Address: xx:xx:xx:xx:xx:xx (auto-10g_sr-fd-up) e0a MAC Address: xx:xx:xx:xx:xx:xx (auto-10g_sr-fd-up)

This may result in ping loss or even degraded I/O performance.