由于终端设备SFP出现故障、导致Brocade交换机端口盖板

适用场景

• 所有 Brocade 交换机硬件平台
• 所有 Brocade Fabric Operating System （ FOS ）固件级别

问题描述

• Fabriclog输出下报告了链路重置、如下所示：

Switch 0; Mon Dec 12 23:02:33 2022 IST (GMT+5:30)
23:02:33.251899 SCN Port Offline;rsn=0x3,g=0x4574       A2,P0  A2,P0  141   NA
23:02:33.251907 *Removing all nodes from port         A2,P0  A2,P0  141   NA
23:02:34.716692 SCN LR_PORT(0);g=0x4574            A2,P0  A2,P0  141   NA
23:02:34.776188 SCN Port Online; g=0x4574,isolated=0     A2,P0  A2,P1  141   NA
23:02:34.777511 Port Elp engaged               A2,P1  A2,P0  141   NA
23:02:34.777531 *Removing all nodes from port         A2,P0  A2,P0  141   NA
23:02:34.777762 SCN Port F_PORT                A2,P1  A2,P0  141   NA
23:02:37.875677 SCN Port Offline;rsn=0x3,g=0x4576       A2,P0  A2,P0  141   NA
23:02:37.875685 *Removing all nodes from port         A2,P0  A2,P0  141   NA
23:02:39.656807 SCN LR_PORT(0);g=0x4576            A2,P0  A2,P0  141   NA
23:02:39.731303 SCN Port Online; g=0x4576,isolated=0     A2,P0  A2,P1  141   NA
23:02:39.733589 Port Elp engaged               A2,P1  A2,P0  141   NA
23:02:39.733610 *Removing all nodes from port         A2,P0  A2,P0  141   NA
23:02:39.733843 SCN Port F_PORT                A2,P1  A2,P0  141   NA

 

• 交换机端口状态在 switchshow下显示为联机：

 /fabos/bin/switchshow : switchName: XXXX switchType: 166.0 switchState: Online LS Attributes: [FID: 128, Base Switch: No, Default Switch: Yes, Ficon Switch: No, Address Mode 0] Index Slot Port Address Media Speed State Proto ============================================================ 141 3 29 668d40 id N8 OnlineFC F-Port 21:00:00:24:ff:yy:xx:xx

• 下面报告了ENC_OUT错误 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
141:  168    929     0     0     0     0     0     0     6.9k  0     0     0     0     0     0     0     0     0     0
 

• Portshow 报告报告的无效传输字(Invalid Transported words、ITW)计数器较高

portshow 141
portDisableReason: None
portCFlags: 0x1
portFlags: 0x20b03  PRESENT ACTIVE F_PORT G_PORT U_PORT LOGICAL_ONLINE LOGIN NOELP ACCEPT FLOGI
LocalSwcFlags: 0x0
portType:  26.0
portState: 1 Online
Protocol: FC
portPhys:  6 In_Sync    portScn:   32 F_Port
port generation number:   17782
state transition count:   24

portId:   668d40
portIfId:   43320035
portWwn:   XX:8d:88:94:71:a2:XX.XX
portWwn of device(s) connected:
    XX:00:00:24:ff:1d:xy:xx
Distance:  normal
portSpeed: N8Gbps

Interrupts:     0     Link_failure: 0    Frjt:      0
Unknown:       0     Loss_of_sync: 0    Fbsy:      0
Lli:         0     Loss_of_sig:  0
Proc_rqrd:      0     Protocol_err: 0
Timed_out:      0     Invalid_word: 7186
Tx_unavail:     0     Invalid_crc:  0
Delim_err:      0     Address_err:  0
Lr_in:        0     Ols_in:     0
Lr_out:       0     Ols_out:    0
Cong_Prim_in:     0

 

• Errdump 由于 RuleName=defALL_HOST_PORTSITW_21 这些ITW错误、报告被触发、并报告了大量的数据。
  
  Errdump:
2022/12/12-19:20:16, [MAPS-1003], 769558, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 521 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.
 2022/12/12-19:21:16, [MAPS-1003], 769561, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 824 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.
 2022/12/12-19:22:16, [MAPS-1003], 769562, SLOT 2 | FID 128, WARNING, switchXX, slot3 port29-Host.LINUX:CBXPR_APP02.ALIAS:HBCBXPRDAP02_HBA2:VSP5, F-Port 3/29, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 1422 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health.

 

• Sfpshow 报告Rx功率低

sfpshow:
=============
Slot  3/Port 29:
=============
Identifier:  3   SFP
Connector:   7   LC
Transceiver: 6804406000000000 8,16,32_Gbps M5 sw Inter,Short_dist
Encoding:   6   64B66B
Baud Rate:   280  (units 100 megabaud)
Length 9u:   0   (units km)
Length 9u:   0   (units 100 meters)
Length 50u (OM2):  2   (units 10 meters)
Length 50u (OM3):  7   (units 10 meters)
Length 62.5u:0   (units 10 meters)
Length 50u (OM4):  10   (units 10 meters)
Vendor Name: BROCADE
Vendor OUI:  00:05:1e
Vendor PN:   57-1000333-01
Alarm flags[0,1] = 0x0, 0x0
Warn Flags[0,1] = 0x0, 0x0
Temperature: 52    Centigrade
Current:    5.832   mAmps
Voltage:    3322.6  mVolts
RX Power:   -8.8   dBm (130.5uW)
TX Power:   -1.3   dBm (743.3 uW)