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10Gtek ASF-GE-T copper SFPs stop linking on a CRS309 after RouterOS 7.14 because of a wrongly programmed EEPROM
After upgrading a CRS309-1G-8S+IN from RouterOS 6.48.6 to 7.14.1 (and 7.15beta8), ports 5 and 7 with 10Gtek ASF-GE-T (FTRJ8519P1BNL-PT) copper SFPs showed sfp-rx-loss: yes and no-link when auto-negotiation was enabled; disabling auto-negotiation and forcing 1G full duplex restored the link…
