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Low Rx power reported on Brocade switch port due to faulty port on patch panel

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

Brocade Switch

Issue

  • sfpshow reports RX value low
=============
Port 23:
=============
Identifier:  3    SFP
Connector:   7    LC
Transceiver: 700c406000000000 4,8,16_Gbps M5,M6 sw Inter,Short_dist
....
Vendor Name: BROCADE
Vendor OUI:  00:05:1e
Vendor PN:   57-0000088-01
....
Current:     7.368   mAmps
Voltage:     3396.6  mVolts
RX Power:    -11.0   dBm (80.0 uW) 
TX Power:    -3.0    dBm (502.2 uW)
 
  • switchshow reports port is online

Index Port Address  Media Speed   State       Proto
==================================================
  23  23   0axx00   id    N8       Online      FC  F-Port  10:00:00:x0:9b:xx:ed:xx

 
  • enc_out and link_fail errors were reported in porterrshow

/fabos/cliexec/porterrshow :
          frames      enc    crc    crc    too    too    bad    enc   disc   link   loss   loss   frjt   fbsy  c3timeout    pcs    uncor
       tx     rx      in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig                  tx    rx     err    err
23:    3.8g   3.2g   0      0      0      0      0      0      1.9m   0     21      0     22      0      0      0      0      0      0

 

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