我一台 3750-X 升级了版本 然后重启出现 版本是许多PSSS版本是Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 15.0(2)SE5, RELEASE SOFTWARE (fc1)Front-end Microcode IMG MGR: found microcode images for 4 devices.Image for front-end 0: flash:/front_end_ucode...