SP HW Assist - Fail to bind UDP Socket in ONTAP 9

Applies to

• ONTAP 9
• SP
• BMC
• AFF systems
• FAS systems

Issue

After performing an SP update including updating the Internal switch hwassist fails to connect to its partner

• EMS

Cluster-1b ERROR cf.hwassist.missedKeepAlive: HW-assisted takeover missing keep-alive messages from HA partner (Cluster-1a).

• Command Line

Cluster::> storage failover hwassist show
Node
-----------------
Cluster-1a
Partner: Cluster-1b
Hwassist Enabled: true
Hwassist IP: 10.4.17.224
Hwassist Port: 4444
Monitor Status: inactive
Inactive Reason: Fail to bind UDP socket.
Corrective Action: Run 'storage failover modify -hwassist-partner-ip <Cluster-1a's node management IP> -node Cluster-1b' 
and/or run 'storage failover modify -hwassist-partner-port <Cluster-1a's UDP port> -node Cluster-1b'
Keep-Alive Status: -
Cluster-1b

Partner: Cluster-1a
Hwassist Enabled: true
Hwassist IP: 10.4.17.225
Hwassist Port: 4444
Monitor Status: inactive
Inactive Reason: Fail to bind UDP socket.
Corrective Action: Run 'storage failover modify -hwassist-partner-ip <Cluster-1b's node management IP> -node Cluster-1a' 
and/or run 'storage failover modify -hwassist-partner-port <Cluster-1b's UDP port> -node Cluster-1a'
Keep-Alive Status: -
2 entries were displayed.