Phicom switch optical port disabled

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Solved: 2960 port is disabled

The indication that port is disabled in Cisco Device Manager ("web-interface") is very often due to the spanning-tree port blocking status. In this case you can still see "interface up, line

Common Switch Error Messages When a Transceiver Is Rejected

Switch not accepting your optical module? This guide explains common error messages, their real meanings, and step-by-step solutions to fix transceiver compatibility problems.

M4300 fiber ports laser is off when port is disabled

We have used an XSM7224S switch previously, and that switch had the optical signal ON for every port, whether the port was enabled or not ( meaning admin-mode enabled ). On the M4300,

What causes a port to be No_Sync in Fabric OS?

Port showing No_Sync indicates that the port is receiving the light but frames received are ''out of sync''. Faulty cable or remote SFP can be narrowed down further with porterrshow delta or after statsclear

portCfgPersistentDisable

Use this command to persistently disable a port or a range of ports. Persistently disabled ports remain disabled across power cycles, switch reboots, and switch enables.

Optical monitoring not possible on ports with link down?

On other vendor''s switches I was always able to show DOM/DDM/optical-monitoring parameters for ports in down state which can help a lot to troubleshoot why the link is not working. In

Optical Monitoring not working ICX7450/ ICX7550

We have an issue going on with that part number ( 33210-100), This is the defect number FI-264785 and it should be fixed in 08095j.

Odd speed issue using a Microtik router and Phicomm switch

Plugging into the WAN port of the Microtik, my computer (which is hardwired to the switch on a 3ft cable) is only able to get 140 Mb/s at Fast . Even stranger, when I connect directly to the Microtik I can

Optical Module Application: Common Problems & Troubleshooting

Based on typical issues encountered with optical modules in daily switch applications, this document summarizes basic troubleshooting steps for resolving common faults:

Optical ports not working | Switching

We are experiencing issues with our optical ports between QFX5100 and EX4300 since we rebooted our EX4300 switch. On our EX4300 the switch port is showing as down when I look at the status and the

Prospettiva Cyber Systems PCS