Cluster network degraded alert from Cluster switch
Applies to
- ONTAP 9
- Cluster network switch
Issue
- Autosupport / EMS cluster network degraded alerts:
Mar 18, 2020 07:35:35 CDT HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT
Mar 19, 2020 22:04:20 CDTH A Group Notification (Health Monitor process cshm: SwitchIfInErrorsWarn_Alert[ClusterSwitchHostName/Ethernet1/8]) ALERT
Mar 12, 2020 20:58:38 CDT HA Group Notification (Health Monitor process cshm: SwitchIfInErrorsWarn_Alert[ClusterSwitchHostName/Ethernet1/8]) ALERT
- Filer port which connect to alerting source port is link down, partial packet loss may seen.
e2b MAC Address: 40:a6:b7:c4:84:41 (auto-unknown-fd-down)
SFP Vendor: Intel Corp
SFP Part Number: AFBR-710DMZ-IN1
SFP Serial Number: xxx
[Nodename-01: vifmgr: vifmgr.cluscheck.droppedlarge:alert]: Partial packet loss when pinging from cluster lif Nodename-01_clus2 (node Nodename-01) to cluster lif Nodename-02_clus2 (node Nodename-02).
[Nodename-01: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif Nodename-01_clus1 (node Nodename-01) to cluster lif Nodename-02_clus2 (node Nodename-02).
- SFP inserted in Filer port shows Tx below normal:
e2b: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
...
media: Ethernet autoselect (autoselect <full-duplex>)
status: no carrier
plugged: SFP/SFP+/SFP28 10G Base-SR (LC)
...
module temperature: 31.20 C Voltage: 3.35 Volts
RX: 0.57 mW (-2.37 dBm) TX: 0.24 mW (-6.04 dBm)