聚合端口不停的up，down，是生成树造成的吗？接入交换机单上联到汇聚

这句话的意思是说，这个链路物理状态有问题。可以先将物理口从聚合口中拿出，使用单链路直接连接观察是否正常。或者更换物理接口及网线，看是否可以正常

%Jan 28 04:28:59:954 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 04:29:00:782 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 04:34:52:111 2020 siqicangku LLDP/6/LLDP_DELETE_NEIGHBOR: Neighbor deleted on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 04:42:03:272 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 04:45:28:900 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is DOWN. %Jan 28 04:45:28:900 2020 siqicangku LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. %Jan 28 04:45:28:908 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is DOWN. %Jan 28 04:45:28:925 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is DOWN. %Jan 28 04:45:28:925 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is DOWN. %Jan 28 04:45:33:865 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is UP. %Jan 28 04:45:33:865 2020 siqicangku LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes ACTIVE. %Jan 28 04:45:33:901 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is UP. %Jan 28 04:45:33:935 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is UP. %Jan 28 04:45:33:935 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 04:45:34:698 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 05:02:03:210 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is DOWN. %Jan 28 05:02:03:211 2020 siqicangku LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. %Jan 28 05:02:03:218 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is DOWN. %Jan 28 05:02:03:237 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is DOWN. %Jan 28 05:02:03:238 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is DOWN. %Jan 28 05:02:07:848 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is UP. %Jan 28 05:02:07:848 2020 siqicangku LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes ACTIVE. %Jan 28 05:02:07:852 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is UP. %Jan 28 05:02:07:885 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is UP. %Jan 28 05:02:07:885 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 05:02:07:903 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 05:12:25:876 2020 siqicangku LLDP/6/LLDP_DELETE_NEIGHBOR: Neighbor deleted on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 05:15:50:324 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 05:34:04:587 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is DOWN. %Jan 28 05:34:04:587 2020 siqicangku LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. %Jan 28 05:34:04:595 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is DOWN. %Jan 28 05:34:04:630 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is DOWN. %Jan 28 05:34:04:631 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is DOWN. %Jan 28 05:34:06:365 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is UP. %Jan 28 05:34:06:365 2020 siqicangku LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes ACTIVE. %Jan 28 05:34:06:401 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is UP. %Jan 28 05:34:06:434 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is UP. %Jan 28 05:34:06:434 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 05:34:06:665 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 05:34:07:188 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is DOWN. %Jan 28 05:34:07:188 2020 siqicangku LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. %Jan 28 05:34:07:195 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is DOWN. %Jan 28 05:34:07:199 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is DOWN. %Jan 28 05:34:07:200 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is DOWN. %Jan 28 05:34:08:575 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is UP. %Jan 28 05:34:08:575 2020 siqicangku LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes ACTIVE. %Jan 28 05:34:08:611 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is UP. %Jan 28 05:34:08:644 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is UP. %Jan 28 05:34:08:644 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 05:34:10:631 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 05:46:14:980 2020 siqicangku LLDP/6/LLDP_DELETE_NEIGHBOR: Neighbor deleted on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 05:49:30:745 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 06:06:03:024 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is DOWN. %Jan 28 06:06:03:024 2020 siqicangku LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. %Jan 28 06:06:03:032 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is DOWN. %Jan 28 06:06:03:067 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is DOWN. %Jan 28 06:06:03:067 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is DOWN. %Jan 28 06:06:12:465 2020 siqicangku IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/28 link status is UP. %Jan 28 06:06:12:465 2020 siqicangku LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes ACTIVE. %Jan 28 06:06:12:532 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/28 (IfIndex 18984960), Chassis ID is 74ea-c8bf-d7cc, Port ID is GigabitEthernet1/0/14. %Jan 28 06:06:12:536 2020 siqicangku IFNET/3/LINK_UPDOWN: Bridge-Aggregation1 link status is UP. %Jan 28 06:06:12:569 2020 siqicangku IFNET/3/LINK_UPDOWN: Vlan-interface4094 link status is UP. %Jan 28 06:06:12:569 2020 siqicangku IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface4094 is UP. %Jan 28 06:19:53:489 2020 siqicangku LLDP/6/LLDP_DELETE_NEIGHBOR: Neighbor deleted on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 06:23:20:397 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is c465-1625-34bd, Port ID is c465-1625-34bd. %Jan 28 06:38:42:346 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is 04d9-f5b9-2d44, Port ID is 04d9-f5b9-2d44. %Jan 28 06:38:43:448 2020 siqicangku LLDP/6/LLDP_DELETE_NEIGHBOR: Neighbor deleted on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is 04d9-f5b9-2d44, Port ID is 04d9-f5b9-2d44. %Jan 28 06:38:43:456 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/3 (IfIndex 18882560), Chassis ID is 04d9-f5b9-2d44, Port ID is 04d9-f5b9-2d44. %Jan 28 07:02:06:333 2020 siqicangku LLDP/5/LLDP_REACH_NEIGHBOR_LIMIT: The number of neighbors maintained by the port GigabitEthernet1/0/9 (IfIndex 18907136) has reached 5, and no more neighbors can be added. %Jan 28 07:03:49:046 2020 siqicangku LLDP/5/LLDP_REACH_NEIGHBOR_LIMIT: The number of neighbors maintained by the port GigabitEthernet1/0/9 (IfIndex 18907136) has reached 5, and no more neighbors can be added. %Jan 28 07:06:00:650 2020 siqicangku LLDP/5/LLDP_REACH_NEIGHBOR_LIMIT: The number of neighbors maintained by the port GigabitEthernet1/0/9 (IfIndex 18907136) has reached 5, and no more neighbors can be added. %Jan 28 07:10:43:813 2020 siqicangku LLDP/5/LLDP_REACH_NEIGHBOR_LIMIT: The number of neighbors maintained by the port GigabitEthernet1/0/9 (IfIndex 18907136) has reached 5, and no more neighbors can be added. %Jan 28 07:11:03:765 2020 siqicangku LLDP/5/LLDP_REACH_NEIGHBOR_LIMIT: The number of neighbors maintained by the port GigabitEthernet1/0/9 (IfIndex 18907136) has reached 5, and no more neighbors can be added.