目前设备接到华为交换机会出现端口up/down的情况，会是设备问题吗？

情况1：华三接入-华三汇聚交换机-防火墙（透明）-华为核心交换机，防火墙与华为核心交换机会出现up/down情况，

情况2：跳过防火墙，华三接入-华三汇聚交换机-华为核心交换机，华三汇聚交换机与华为核心交换机会出现up/down情况。

这个情况是光模块和光纤的问题，还是华为交换机的接口问题？还是可能是其他什么情况？

华为交换机提示

%%01IFADP/4/PORTDOWNINFO(l)[41]:Slot=2;Interface XGigabitEthernet2/0/33 has turned into DOWN state. (Information=Physical state(PMD): down, Physical state(PCS): down, RX loss of signal: no, Current lane0 RX power(dBM): -10.39, Current lane0 TX power(dBM): -3.34, Local fault: no, Remote fault: no, PMA fault: NA, PCS fault: NA, High BER: NA, PCS block lock: NA, Transmit local fault: NA, Receive local fault: NA, PMD receive signal OK: NA, XGXS PLL has lost lock: NA, XGXS PLL lock detected: NA, RX lock: NA)

Interface XGigabitEthernet2/0/33 has turned intoUP state.

Interface XGigabitEthernet2/0/33 has turned into DOWN state

Interface XGigabitEthernet2/0/33 has turned intoUP state

Interface XGigabitEthernet2/0/33 has turned into DOWN state.