Need help troubleshooting a port

[akke023]

Dear Alcatel,

While trying to troubleshoot some issues on one of our switches, I came across a few errors that I can't decipher, could you perhaps help me out?

First, we noticed that 1/1/12 went down quite regularly, and I have tried looking into logs to figure it out.

The port itself looks fine:

Code: Select all

show interfaces port 1/1/12
Chassis/Slot/Port          : 1/1/12
 Operational Status        : down,
 Port-Down/Violation Reason: None,
 Last Time Link Changed    : Fri Aug 12 15:49:37 2022,
 Number of Status Change   : 2354,
 Type                      : Ethernet,
 SFP/XFP                   : N/A,
 Interface Type            : Copper,
 EPP                       : Disabled,
 Link-Quality              : N/A,
 MAC address               : XXX.XXX.XXX.XXX,
 BandWidth (Megabits)      :     -   ,  		Duplex           : -,
 Autonegotiation           :   1  [ 1000-F 100-F 100-H 10-F 10-H ],
 Long Frame Size(Bytes)    : 9216,
 Inter Frame Gap(Bytes)    : 12,
 loopback mode             : N/A,
 Rx              :
 Bytes Received  :          17810895848, Unicast Frames :             65363829,
 Broadcast Frames:                25397, M-cast Frames  :               460206,
 UnderSize Frames:                    0, OverSize Frames:                    0,
 Lost Frames     :                    0, Error Frames   :                    0,
 CRC Error Frames:                    0, Alignments Err :                    0,
 Tx              :
 Bytes Xmitted   :         143070803770, Unicast Frames :            124511061,
 Broadcast Frames:             51994200, M-cast Frames  :             81366341,
 UnderSize Frames:                    0, OverSize Frames:                    0,
 Lost Frames     :                    0, Collided Frames:                    0,
 Error Frames    :                    0, Collisions     :                    0,
 Late collisions :                    0, Exc-Collisions :                    0

Except for the "Number of Status Change", I don't see anything out of the ordinary.

The errors I need help with are:

Code: Select all

swlogd intfNi Drv INFO: eniApplyConfig: cmd:34 zport:11 cmdHy:0, apMedia:2
swlogd portMgrNi main INFO: : [pmnHALLinkStatusCallback:206] LINKSTS 1/1/12 DOWN (gport 0xb) Speed 10 Duplex HALF
swlogd stpNi _SOKt INFO: stpnimsg_processMsgFromPM: PM_LINK_STATUS_MSGID gPort=xb linkStatus=0
swlogd intfNi Drv INFO: niEsmSendLinkStatusChgMsg(1058): linkstatus DOWN sent on peerId=1
swlogd intfCmm Mgr EVENT: CUSTLOG CMM Link 1/1/12 Alias XXXXX operationally down
swlogd intfCmm Mgr INFO: cmmEsmHandleNiMsg: Rx CMM_ESM_LINK_STATUS_CHG from chassis 1 NI 1
swlogd portMgrNi main INFO: : [pmnHALLinkStatusCallback:206] LINKSTS 1/1/12 UP (gport 0xb) Speed 1000 Duplex FULL

They appear is this order aswell.
Mainly what interest me is:

• eniApplyConfig: cmd:34 zport:11 cmdHy:0, apMedia:2

• [pmnHALLinkStatusCallback:206]

Because the first seems to always happen right before the outage. And the second seems to be the reason of the outage, but I have not clue what it means.

Thanks as always!

[Gleylancer]

The Port Speed is flapping which is usually an indication for a bad cable or bad inhouse cabling.

[akke023]

Okay, I figured 1/1/9 might've been cable related because:
CRC Error Frames: 1180
Could they both be cable related?

[silvio]

yes, the reason for crc errors are mostly bad connection (fibre and copper).

[akke023]

Thanks for clarifying the CRC errors.
My last remaining question is, why would the other port (1/1/12) dropping connection so often? (at least twice a day)

I am also leaning towards a faulty connection or cable (not on the switches side)
But are there any commands/tests I can perform to make sure it is either the cable or device connected?
I know a TDR test can check if the cable is still in order, but I'm assuming I can't check the device problems from the switch, or can I?

Thanks in advance,
you guys are the best!

[silvio]

I don't know tools at the switch to find out the reason for this. You have to find out direct at the connected device...
You can exchange to devices and/or cables at there switch ports. So you can see the issue based in the device, cable or the switch.