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After switch reboot, CLUSTER NETWORK DEGRADED ALERT seen in ASUP

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153
Visibility:
Public
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0
Category:
fabric-interconnect-and-management-switches
Specialty:
network
Last Updated:

Applies to

CN1610

Issue

  • CN1610 switches rebooted after a power outage or maintenance. 
  • The NetApp system reports (CLUSTER NETWORK DEGRADED)
  • If using ISL LAG (link aggregate), you may see this ASUP alert:(Health Monitor process cshm: SwitchIfIslDownWarn_Alert[<switch_name>/<LAG_name>]) ALERT
  • Switch show tech-support reports ISL ports disabled and down:
0/13      PC Mbr Disable   10G Full              Down   Enable  Enable long
0/14      PC Mbr Disable   10G Full              Down   Enable  Enable long
0/15      PC Mbr Disable   10G Full              Down   Enable  Enable long
0/16      PC Mbr Disable   10G Full              Down   Enable  Enable long
  • In the switch's show running-config we see shutdown on all ISL ports

    interface 0/13
    shutdown
    description 'ISL member port 13'
    mtu 9216
    exit
    interface 0/14
    shutdown
    description 'ISL member port 14'
    mtu 9216
    exit
    interface 0/15
    shutdown
    description 'ISL member port 15'
    mtu 9216
    exit
    interface 0/16
    shutdown
    description 'ISL member port 16'
    mtu 9216
    exit

 

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