Cisco Cluster Network Switch port down
Applies to
- ONTAP 9
- Cisco Nexus N9K-C9336C-FX2
- Cluster Network Switch (CNS) Cisco N5K-C5596UP
- Cluster Network Switch Cisco 3232C
Issue
- EMS alert. Examples:
ONTAP 9.8 or earlier:
[node-1: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: SwitchIfIslDownWarn_Alert[switch_name(ABC1234D5EF)/Ethernet1/46].
ONTAP 9.9.1 or later:
[node-1: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: ClusterIfIslDownWarn_Alert[switch_name(ABC1234D5EF)/Ethernet1/46].
- '
# show tech-support
' log alert. Example:
%ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel1: Ethernet1/46 is down
Ethernet1/46
state : down
channel_status: unknown
update : none
mode : active
flags :
cfg flags :
up_time : 911966 usecs
auto pc : none
auto retry : 0
No auto create compat failure
PC SDB: Is a member of port-channel
- Port remains down after attempting
- a cable re-seat and replacement
- SFP re-seat and replacement
- Issue follows the CNS port