The optical port signal on the switch is intermittent

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This simple step resolves many issues with sfp optical transceivers in access switches and core routers. As a result, the protection link is enabled on the Smart-Link at the same time, causing a 30-second loop. When connecting the SFP, we must ensure that Tx and Rx, or Tx –> Rx and Rx –> Tx, match on both sides. Hello, from your output I can't see which type of QSFP you have installed, your QFX discovers. Despite their robust design, these modules can experience failures due to environmental stress, contamination, or incompatibility.

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