6520X-ei 本端lacp链路聚合正常，服务器那边排查结果是没有收到本端发出的包

交换机端：

Ten-GigabitEthernet1/0/33: 

Aggregate Interface: Bridge-Aggregation33

Local: 

    Port Number: 3 

    Port Priority: 32768 

    Oper-Key: 2 

    Flag: {ACDEF}

Remote: 

    System ID: xxx

    Port Number: 2 

    Port Priority: 128 

    Oper-Key: 48879 

Received LACP Packets: 1281703 packet(s)

Illegal: 0 packet(s)

Sent LACP Packets: 1281668 packet(s)

Ten-GigabitEthernet2/0/33: 

Aggregate Interface: Bridge-Aggregation33

Local: 

    Port Number: 7 

    Port Priority: 32768 

    Oper-Key: 2 

    Flag: {ACDEF}

Remote: 

    System ID: xxx

    Port Number: 6 

    Port Priority: 128 

    Oper-Key: 48879 

    Flag: {ACDEF}

Received LACP Packets: 1281696 packet(s)

Illegal: 0 packet(s)

Sent LACP Packets: 1281664 packet(s)

服务器端：

ETHERNET STATISTICS (ent1) :

Received LACPDUs: 1226056
Transmitted LACPDUs: 1227746
接收到的LACP包比发送的LACP包少了1690个


ETHERNET STATISTICS (ent5) :
Received LACPDUs: 1226173
Transmitted LACPDUs: 1227738

接收到的LACP包比发送的LACP包少了1565个

Oct 19 15:51:20 ent1       P ECH_PORT_IN_SYNC    Port started receiving LACPDU from its partner. IEEE802.3AD port synchronization state is IN_SYNC
Oct 19 15:51:20 ent1       P ECH_PORT_OUT_OF_SYN Port stopped receiving LACPDU from its partner. IEEE802.3AD port synchronization state is OUT_OF_SYNC
Sep 26 10:49:15 ent1       P ECH_PORT_IN_SYNC    Port started receiving LACPDU from its partner. IEEE802.3AD port synchronization state is IN_SYNC
Sep 26 10:49:15 ent1       P ECH_PORT_OUT_OF_SYN Port stopped receiving LACPDU from its partner. IEEE802.3AD port synchronization state is OUT_OF_SYNC
Sep  7 19:23:15 ent1       P ECH_PORT_IN_SYNC    Port started receiving LACPDU from its partner. IEEE802.3AD port synchronization state is IN_SYNC
Sep  7 19:22:53 ent1       P ECH_PORT_OUT_OF_SYN Port stopped receiving LACPDU from its partner. IEEE802.3AD port synchronization state is OUT_OF_SYNC
服务器上告警不同步，机制是连续没有收到三个lacp包，目前看交换机上softcar上lacp没有丢包，接口计数正常，目前lacp是长超时90s，请问这个怎么排查，是已知问题吗，求大佬解答

6520x-1--6520x-2

| (1/0/33)    |(2/0/33)

|(eth1)         |(eth5)

服务器1      服务器2