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Intra-Cluster ISL port down on BES-53248 after upgrade

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Applies to

  • MetroCluster IP Switch
  • Broadcom BES-53248 switch
  • EFOS upgrade to 3.7.0.4 and later

Issue

For MetroCluster IP switches, after upgrading a BES-53248 switch to EFOS v3.7.0.4 or higher, one or more Intra-Cluster ports (100G interfaces) are reported as down and cannot be brought online:

# show port all

                 Admin     Physical   Physical   Link   Link    LACP   Actor
Intf      Type   Mode      Mode       Status     Status Trap    Mode   Timeout
--------- ------ --------- ---------- ---------- ------ ------- ------ --------
0/1              Enable    10G Full   10G Full   Up     Enable  Enable long
0/2              Enable    10G Full   10G Full   Up     Enable  Enable long
0/3              Enable    10G Full   10G Full   Up     Enable  Enable long
0/4              Enable    10G Full   10G Full   Up     Enable  Enable long
....
0/55      PC Mbr Enable    100G Full             Down   Enable  Enable long
0/56      PC Mbr Enable    100G Full             Down   Enable  Enable long

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