H3C S5560S 9号口一直不定时up，又down

H3C S5560S 9号口一直不定时up，又down Error Physical state on the interface GigabitEthernet1/0/11 changed to up. 2019-11-16 09:42:29 Error Physical state on the interface GigabitEthernet1/0/11 changed to down. 2019-11-16 09:42:26 以下是查询的几个信息返回的情况 [H3C]display transceiver diagnosis interface GigabitEthernet 1/0/9 The port has no transceiver information. [H3C] [H3C]dis interface g [H3C]dis interface GigabitEthernet 1/0/9 GigabitEthernet1/0/9 Current state: DOWN Line protocol state: DOWN(LAGG) IP packet frame type: Ethernet II, hardware address: 9428-2ed2-6052 Description: GigabitEthernet1/0/9 Interface Bandwidth: 1000000 kbps Loopback is not set Media type is twisted pair Port hardware type is 1000_BASE_T 1000Mbps-speed mode, full-duplex mode Link speed type is force link, link duplex type is force link Flow-control is not enabled Maximum frame length: 10000 Allow jumbo frames to pass Broadcast max-ratio: 100% Multicast max-ratio: 100% Unicast max-ratio: 100% PVID: 1 MDI type: Automdix Port link-type: Trunk VLAN Passing: 1(default vlan), 10 VLAN permitted: 1(default vlan), 2-19, 21-4094 Trunk port encapsulation: IEEE 802.1q Port priority: 0 Last link flapping: 16 hours 11 minutes 52 seconds Last clearing of counters: Never Peak input rate: 457747 bytes/sec, at 2013-01-15 12:59:11 Peak output rate: 870172 bytes/sec, at 2019-11-13 17:14:35 Last 300 second input: 0 packets/sec 0 bytes/sec 0% Last 300 second output: 0 packets/sec 0 bytes/sec 0% Input (total): 3046924 packets, 926630049 bytes 2939037 unicasts, 44649 broadcasts, 63125 multicasts, 0 pauses Input (normal): 3046811 packets, - bytes 2939037 unicasts, 44649 broadcasts, 63125 multicasts, 0 pauses Input: 113 input errors, 0 runts, 0 giants, 0 throttles 83 CRC, 0 frame, - overruns, 30 aborts - ignored, - parity errors Output (total): 5907926 packets, 4541517370 bytes 4595501 unicasts, 238812 broadcasts, 1073613 multicasts, 0 pauses Output (normal): 5907926 packets, - bytes 4595501 unicasts, 238812 broadcasts, 1073613 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier [H3C]dis trans [H3C]dis transceiver man