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BES port flapping due to unsupported cable or optics

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Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

Applies to

  • MetroCluster
  • ONTAP 9
  • BES-53248

Issue

  • CRC errors seen on both nodes

Node-01 (SN: 900000000000) - e0b has 582 CRC errors. Uptime is 0:06:05.
Node-02 (SN: 910000000000) - e0b has 437 CRC errors. Uptime is 0:06:06

  • The following can be seen from the switch logs. Input power is low. 
*************** show fiber-ports optical-transceiver-info all ***************

                                   Link Link                                             Nominal
                               
           Length Length Link                                     Bit Rate
       Number                      50um 62.5um Length                                   Per Lane
Port   of Lanes Vendor Name        [m]   [m]    [m]   Serial Number    Part Number       [Mbps]  Rev  Compliance
------ -------- ---------------- ------ ------ ------ ---------------- ---------------- -------- ---- ----------------
0/13      1     Pureoptics         0      0      --   XXXXXXXX         SFP+-10G-ZR-58.9 10300         10GBase-ER
0/14      1     Pureoptics         0      0      --   XXXXXXXX         SFP+-10G-ZR-48.5 10300         10GBase-ER

*************** show fiber-ports optical-transceiver all ***************


                                                 Output   Input
Port    Physical Port/  Temp  Voltage  Current   Power    Power     TX     LOS
        Lane Number     [C]   [Volt]     [mA]    [dBm]    [dBm]     Fault
------  --------------  ----  -------  -------   -------  -------   -----  ---
0/13    0/13-Lane1      24.0    3.312     74.2     2.145  -20.088   No     No
0/14    0/14-Lane1      27.0    3.308     81.7     1.441  -23.010   No     No

 

 

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