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Brocade FC port offline with In_Sync state and link fail errors due to faulty cable

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
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Applies to

  • All Brocade hardware platforms
  • All Brocade fabric operating system (FOS) platforms

Issue

  • switchshow output shows that port is in In_Sync state

Index Slot Port Address Media  Speed        State    Proto
==========================================================
 130    3   18   6a8240   id    N8    In_Sync     FC

  • Portshow output shows that port is offline

portshow 130
portDisableReason: None
portCFlags: 0x1
portFlags: 0x41     PRESENT U_PORT
LocalSwcFlags: 0x0
portType:  26.0
portState: 2    Offline  
Protocol: FC
portPhys:  6    In_Sync      portScn:   2    Offline   

  • In Porterrshow we can observe link fail errors

/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
 130:    0       0       0       0       0       0       0       0       0       0      47.8k    0       0       0       0       0       0       0       0
 

  • In errdump rule defALL_PORTSLF_3 and Link Reset on Port is generated for the port in large number

2022/12/24-16:23:01, [MAPS-1003], 499800, SLOT 2 | FID 128, WARNING, Switch_Name, slot3 port18 - Host.AIX-NPIV(870_3_VIOS2_7xxx) - D, U-Port 3/18, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 7 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health.
2022/12/24-16:24:01, [MAPS-1003], 499801, SLOT 2 | FID 128, WARNING, Switch_Name, slot3 port18 - Host.AIX-NPIV(870_3_VIOS2_xxx) - D, U-Port 3/18, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 6 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health.
2022/12/24-16:32:01, [MAPS-1003], 499809, SLOT 2 | FID 128, WARNING, Switch_Name, slot3 port18 - Host.AIX-NPIV(870_3_VIOS2_xxx) - D, U-Port 3/18, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 8 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health.
2022/12/24-16:33:01, [MAPS-1003], 499810, SLOT 2 | FID 128, WARNING, Switch_Name, slot3 port18 - Host.AIX-NPIV(870_3_VIOS2_xxx) - D, U-Port 3/18, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 7 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health.
2022/12/24-16:36:01, [MAPS-1003], 499813, SLOT 2 | FID 128, WARNING, Switch_Name, slot3 port18 - Host.AIX-NPIV(870_3_VIOS2_xxx) - D, U-Port 3/18, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 6 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health.

[C4-1014]  15448, WWN x0:00:88:94:71:96:xy:yy | CHASSIS, WARNING, BrocadeG610,  Link Reset on Port S0,P0(23) vc_no=0 crd(s)lost=12 auto trigger.

 

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