Remove and reinstall the optical module. If the fault persists, replace the optical module with a normal one of the same type to check whether the optical module is faulty. If the fault persists, collect log
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Troubleshoot Cisco Catalyst 9300 SFP ports not working with step-by-step CLI commands, compatibility checks, and NM-8X LED status explanations.
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This document describes how to troubleshoot common failure scenarios in Stackwise deployments of Catalyst 9200/9200L and 9300/9300L.
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So I bought a C9300-24UX-A for my homelab (not new). It came with a C9300-NM-4G and I also bought a C9300-NM-2Y (dual sfp28) however I cannot get either module to show up in suing "show
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Looking for compatible modules, power supplies, or optics for Cisco Catalyst 9200 or 9300? Here''s a quick compatibility overview: This guide provides a complete compatibility reference
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Once the transceiver and fiber optic cable are plugged in properly in the switch optical module, you should be able to view the current information for
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The optical module design does not comply with the EMC, its anti-electromagnetic interference capability is low, and the optical module brings electromagnetic interference to surrounding devices.
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Use an optical power meter to measure the transmit power of the optical module. If the transmit power of the optical module is not in the normal range, replace the optical module.
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Hi, everyone! I have problem with optical link (1000SX) on Cisco Catalyst 9300 (C9300-48T). This switch C9300 uses GLC-SX-MMD transciver but port don''t up. Confuguretion this port:
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This failure degrades stack redundancy and can cause network segmentation or downtime if not corrected promptly. (Optional visual suggestion: diagram of a 3-switch stack with one disconnected
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This failure degrades stack redundancy and can cause network segmentation or downtime if not corrected promptly. (Optional visual suggestion: diagram of a 3
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After removing the c9300-nm-8x 10Gb module and re-installing the previously working c9300-nm-4g module, it then also would not initialize via hot swap. It was necessary to power off and
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Replace it with a Huawei-certified optical module. If an LOS alarm is displayed in the Alarm information field, the local interface does not receive any optical signal from the remote interface. The remote
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If it is not a Huawei-certified optical module, replace it with a Huawei-certified optical module. If the optical module is installed on a GE port, run the display interfaceGigabitEthernet x/x/x command to
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If it does not recognize the SFP Module, verify your module just isn''t inserted upside down. Additionally, check the module slot for any problems and
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Install or remove optical fibers carefully to avoid damage to fiber connectors. Optical modules are electrostatic-sensitive components; therefore, you must take ESD protective measures when
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The following uses the Moduletek SFP-10G-LR module connected to a Huawei S6700 switch as an example to introduce how to read information of the connected optical module on a
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The C9300 and C9300X switch models support optional hot-swappable network modules that provide uplink ports to connect to other devices. The C9300L switches provide fixed uplink ports that support
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By default, Cisco switches perform authenticity validation on inserted optical modules. If a module is identified as non-Cisco original, the switch may
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So I bought a C9300-24UX-A for my homelab (not new). It came with a C9300-NM-4G and I also bought a C9300-NM-2Y (dual sfp28) however I cannot get either module to show up in suing "show
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Check whether the optical module is Huawei-certified. If it is not certified by Huawei, replace it with a Huawei certified one. Remove and reinstall the optical module. If this resolves the
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10G copper SFPs are not supported on the Cisco 9300s. It''ll take some digging, but google ''Cisco compatibility matrix''. Once there, in the search box, type the name of the 10G SFP (drawing a blank
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This document describes how to troubleshoot fiber optic interfaces by addressing some of the fiber optic module and cabling specifications.
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Huawei switches using non-certified optical module may not be able to read the information, can not guarantee the accuracy of the information read, recommend the use of Huawei certified optical
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Hello all, simple question, maybe someone had this kind of issue. - does old transceivers GLC-SX-MM ani GLC-LH-SM using OM1 cable will work with new 9200/9300 with appropriate
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This field indicates whether the rate of the optical module installed on the port matches the port rate. For example, if a non-XGE optical module is installed on an XGE port, the rate of the optical module
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A module must be in the uplink slot at all times. Do not remove the dust plugs from the pluggable transceivers or the rubber caps from the fiber
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In this article, we will focus on teaching you how to troubleshoot and solve the common three categories of optical module failure. First, the transmission class of the optical module fault
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