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"Receiver signal average optical power" is low

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12
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0
Category:
ontap-9
Specialty:
HW
Last Updated:

Applies to

  • AFF8080
  • ONTAP 9

Issue

  • Receiver signal average optical power is low by switch command below.
comadmin@switch1> show interfaces descriptions | match 0/0/15
xe-0/0/15       up    down node1_e0e
{master:0}
comadmin@switch1> show interfaces diagnostics optics xe-0/0/15 | match dBm
Laser output power                        :  0.5870 mW / -2.31 dBm
Receiver signal average optical power     :  0.0001 mW / -40.00 dBm
 
comadmin@switch2> show interfaces descriptions | match 0/0/15
xe-0/0/15       up    down node1_e0f
{master:1}
comadmin@switch2> show interfaces diagnostics optics xe-0/0/15 | match dBm
Laser output power                        :  0.6040 mW / -2.19 dBm
Receiver signal average optical power     :  0.0001 mW / -40.00 dBm
 
  • The ports above are down in IFGRPS.XML
Node                   node2 node2
Interface Group Name   a0a   a0b
Up Ports               e0g   e0h
Down Ports             e0e   e0f
 
  • The ports above are up in SYSCONFIG-A
slot 0: 1G/10G Ethernet Controller CNA EP 8324
    (Multiple Dual-port, QLogic CNA 8324(8362) rev. 2)
    e0h MAC Address:    02:a0:98:b4:87:1f (auto-10g_sr-fd-up)
    e0g MAC Address:    02:a0:98:b4:87:20 (auto-10g_sr-fd-up)
    e0f MAC Address:    02:a0:98:b4:87:1f (auto-10g_sr-fd-up)
    e0e MAC Address:    02:a0:98:b4:87:20 (auto-10g_sr-fd-up)
    Device Type:        EP8324N
    Firmware Version:   5.4.66.0
 
  • The following messages can be observed on the system
[?]  Fri Oct 04 08:14:37 +0000 [node1: kernel: netif.init.failed:alert]: Initialization of network interface e0e failed due to unexpected software error ql:244.
[?]  Fri Oct 04 08:15:38 +0000 [node1: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0a, port e0e has transitioned to an inactive state. The interface group is in a degraded state.
[?]  Fri Oct 04 08:15:41 +0000 [node1: intr: net.ifgrp.lacp.link.inactive:error]: ifgrp a0b, port e0f has transitioned to an inactive state. The interface group is in a degraded state.

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