no shutdown 没用。
当前接口状态
GigabitEthernet1/0/25 is down, line protocol is down (err-disabled)
Hardware is Gigabit Ethernet, address is ec44.76ab.0e99 (bia ec44.76ab.0e99)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Auto-duplex, Auto-speed, link type is auto, media type is Not Present
不行
追答没插光纤,或者光纤不通,,,show interfaces status err-disabled命令能查看触发err-disable的原因。
追问------------------ show interfaces status err-disabled ------------------
Port Name Status Reason
Gi1/0/25 err-disabled gbic-invalid
Gi1/0/26 err-disabled gbic-invalid
光纤没有问题,其它设备上正常使用。
光纤模块GBIC有问题,检查一下是不是硬件问题,还是类型不对,单模,多模
使用以下命令可以激活端口,但是如果还有问题,端口还是会DOWN掉,
(config)#errdisable recovery cause gbic-invaild