华为S1730S与华三S5552P光口对接不通（华为端指示灯亮，华三端指示灯不亮）

两台交换机端口分别配置trunk，允许vlan通过，但华为端交换机端口UP，华三端交换机端口down。尝试过两侧强制速率，全双工模式，但最后华为端口up，华三端还是down。

华三端口配置：

interface GigabitEthernet1/0/50 

 description to_1-1-HXJF-S9312-JKHX201GE1/0/18 

 port link-type trunk 

 undo port trunk permit vlan 1 

 port trunk permit vlan 2 to 4094 

 speed 1000 

 duplex full

华三端口状态：

GigabitEthernet1/0/50 

Current state: DOWN 

Line protocol state: DOWN 

IP packet frame type: Ethernet II, hardware address: 4077-a9ce-55d3 

Description: to_1-1-HXJF-S9312-JKHX201GE1/0/18 

Bandwidth: 1000000 kbps 

Loopback is not set 

Media type is stack wire, Port hardware type is STACK_SFP_PLUS 

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: 10240 

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: 1000-1005, 4090 

 VLAN permitted: 2-4094 

 Trunk port encapsulation: IEEE 802.1q 

Port priority: 0 

Last link flapping: 0 hours 6 minutes 16 seconds 

Last clearing of counters: Never

华为端口配置：

interface GigabitEthernet0/0/26 

 undo negotiation auto 

 description to_1-1-HXJF-S9312-JKHX201-G1/0/18 

 port link-type trunk 

 undo port trunk allow-pass vlan 1 

 port trunk allow-pass vlan 2 to 4094

华为端口状态：

GigabitEthernet0/0/26 current state : UP 

Line protocol current state : UP 

Description:to_1-1-HXJF-S9312-JKHX201-G1/0/18 

Switch Port, PVID : 1, TPID : 8100(Hex), The Maximum Frame Length is 9216

IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 3cc7-869f-2e8c 

Last physical up time : 2021-11-23 13:53:17 

Last physical down time : 2021-11-23 13:50:59 

Current system time: 2021-11-23 13:56:09 

Port Mode: COMMON FIBER, Transceiver: 1X_CopperPassive_SFP 

Speed : 1000, Loopback: NONE 

Duplex: FULL, Negotiation: DISABLE 

Mdi : -, Flow-control: DISABLE 

Last 300 seconds input rate 0 bits/sec, 0 packets/sec 

Last 300 seconds output rate 65320 bits/sec, 62 packets/sec 

Input peak rate 59835832 bits/sec, Record time: 2021-11-21 20:46:07 

Output peak rate 1839048 bits/sec, Record time: 2021-11-21 20:53:55