copy running-config tftp://192.168.1.100/backup-config.txt
interface gigabitethernet 1/0/5 speed 1000 duplex full no shutdown If the problem persists, globally disable "Ethernet Energy Efficient Ethernet (EEE)" via no eee global . A "bricked" switch (no console output, no link lights) is often recoverable. Most LSW3 chips contain a mask ROM bootloader that cannot be overwritten. lsw3 firmware
show version Look for "Firmware: LSW3" or "Image: LSW3-x.x.x". copy running-config tftp://192