cisco C2924-XL 交换机问题请教...

cisco C2924-XL 交换机问题请教 交换局自检报错，端口都不能使用。连接网卡时交换机状态灯不亮，但网卡状态显示正常，ping不通。 请各位帮忙！ C2900XL POST: Ethernet Controller Test: Passed C2900XL POST FAILURE: front-end post: FastEthernet0/9: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/10: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/11: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/12: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/17: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/18: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/19: C2900XL POST FAILURE: looped-back packet not received C2900XL POST FAILURE: front-end post: FastEthernet0/20: C2900XL POST FAILURE: looped-back packet not received C2900XL POST: MII Test: Passed cisco WS-C2924-XL (PowerPC403GA) processor (revision 0x11) with 8192K/1024K byte s of memory. Processor board ID 0x0E, with hardware revision 0x01 Last reset from power-on 转载（bbs.net130.com）