H3C S5024PV2-EI 交换机全部端口自动关闭后又自动打开，每天1~2次

Logging buffer configuration and contents:enabled Allowed max buffer size : 1024 Actual buffer size : 512 Channel number : 4 , Channel name : logbuffer Dropped messages : 0 Overwritten messages : 0 Current messages : 375 %Apr 26 12:00:12:258 2000 MY1-1SW IC/6/SYS_RESTART: System restarted -- Hangzhou H3C Comware Software. %Apr 26 12:00:19:908 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Aux0/0/1 link status is UP. %Apr 26 20:00:26:431 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 20:00:26:723 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 26 20:00:26:755 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 26 20:00:26:835 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:00:26:860 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:00:26:860 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:00:26:861 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:00:26:861 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:00:26:883 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 26 20:00:26:964 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 26 20:00:26:964 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 26 20:00:26:965 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 26 20:00:27:030 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/14 link status is UP. %Apr 26 20:00:27:054 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 26 20:00:27:818 2000 MY1-1SW LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/24 (IfIndex 18968576), Chassis ID is 741f-4a98-ca4d, Port ID is GigabitEthernet1/0/22. %Apr 26 20:00:28:535 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 26 20:00:29:883 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 26 20:00:58:913 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is DOWN. %Apr 26 20:00:58:920 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is DOWN. %Apr 26 20:01:01:603 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:01:04:662 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is DOWN. %Apr 26 20:01:04:667 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is DOWN. %Apr 26 20:02:43:392 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:02:43:418 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:02:49:198 2000 MY1-1SW LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/24 (IfIndex 18968576), Chassis ID is 741f-4a98-ca4d, Port ID is GigabitEthernet1/0/22. %Apr 26 20:11:09:697 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 20:11:12:470 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 20:48:26:790 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 20:48:29:013 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 22:27:01:826 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 22:27:04:621 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 22:58:12:452 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 22:58:14:614 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 27 00:00:44:330 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 00:00:46:155 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 00:00:47:596 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 00:39:21:106 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 00:39:23:342 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 00:40:26:510 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 00:40:32:025 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 00:40:40:575 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is DOWN. %Apr 27 00:40:42:814 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 27 00:41:49:219 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 00:41:51:396 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 00:42:16:914 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is DOWN. %Apr 27 00:42:18:857 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 27 00:46:25:655 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is DOWN. %Apr 27 00:46:27:864 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 27 02:26:54:166 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 02:29:50:276 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 02:29:53:028 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:06:23:251 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is DOWN. %Apr 27 16:06:26:061 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 27 16:13:04:053 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is DOWN. %Apr 27 16:13:06:864 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 27 16:13:45:061 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 16:13:49:770 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 16:13:56:040 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 16:13:56:717 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 16:13:58:378 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 16:14:02:335 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 16:14:06:358 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 16:14:06:545 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 16:14:11:141 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 16:14:11:841 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 16:14:14:186 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 16:14:26:400 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:28:785 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:31:700 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:34:273 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:37:613 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:39:915 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:54:976 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:57:698 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:15:08:644 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 27 16:15:11:367 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 27 16:16:06:560 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is DOWN. %Apr 27 16:16:07:765 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 16:16:09:001 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 27 16:16:10:119 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 16:16:18:505 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 16:16:21:140 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 16:25:47:677 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:12:135 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:14:929 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:21:743 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:23:993 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:49:403 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:52:122 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:56:29:688 2000 MY1-1SW SC/6/SC_AAA_LAUNCH: -AAAType=AUTHEN-AAAScheme= local-Service=login-UserName=root@system; AAA launched.

粘贴出来比较乱，所有放在附件里

Logging buffer configuration and contents:enabled Allowed max buffer size : 1024 Actual buffer size : 512 Channel number : 4 , Channel name : logbuffer Dropped messages : 0 Overwritten messages : 0 Current messages : 375 %Apr 26 12:00:12:258 2000 MY1-1SW IC/6/SYS_RESTART: System restarted -- Hangzhou H3C Comware Software. %Apr 26 12:00:19:908 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Aux0/0/1 link status is UP. %Apr 26 20:00:26:431 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 20:00:26:723 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 26 20:00:26:755 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 26 20:00:26:835 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:00:26:860 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:00:26:860 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:00:26:861 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:00:26:861 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:00:26:883 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 26 20:00:26:964 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 26 20:00:26:964 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 26 20:00:26:965 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 26 20:00:27:030 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/14 link status is UP. %Apr 26 20:00:27:054 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 26 20:00:27:818 2000 MY1-1SW LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/24 (IfIndex 18968576), Chassis ID is 741f-4a98-ca4d, Port ID is GigabitEthernet1/0/22. %Apr 26 20:00:28:535 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 26 20:00:29:883 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 26 20:00:58:913 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is DOWN. %Apr 26 20:00:58:919 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is DOWN. %Apr 26 20:00:58:920 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is DOWN. %Apr 26 20:01:01:603 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:01:01:659 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:01:04:662 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is DOWN. %Apr 26 20:01:04:666 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is DOWN. %Apr 26 20:01:04:667 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is DOWN. %Apr 26 20:02:43:392 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/24 link status is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP. %Apr 26 20:02:43:417 2000 MY1-1SW IFNET/3/LINK_UPDOWN: Vlan-interface99 link status is UP. %Apr 26 20:02:43:418 2000 MY1-1SW IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface99 is UP. %Apr 26 20:02:49:198 2000 MY1-1SW LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created on Port GigabitEthernet1/0/24 (IfIndex 18968576), Chassis ID is 741f-4a98-ca4d, Port ID is GigabitEthernet1/0/22. %Apr 26 20:11:09:697 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 20:11:12:470 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 20:48:26:790 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 20:48:29:013 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 22:27:01:826 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 22:27:04:621 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 26 22:58:12:452 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 26 22:58:14:614 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 27 00:00:44:330 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 00:00:46:155 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 00:00:47:596 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 00:39:21:106 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 00:39:23:342 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 00:40:26:510 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 00:40:32:025 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 00:40:40:575 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is DOWN. %Apr 27 00:40:42:814 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 27 00:41:49:219 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 00:41:51:396 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 00:42:16:914 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is DOWN. %Apr 27 00:42:18:857 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 27 00:46:25:655 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is DOWN. %Apr 27 00:46:27:864 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 27 02:26:54:166 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 02:29:50:276 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 02:29:53:028 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:06:23:251 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is DOWN. %Apr 27 16:06:26:061 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/3 link status is UP. %Apr 27 16:13:04:053 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is DOWN. %Apr 27 16:13:06:864 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/4 link status is UP. %Apr 27 16:13:45:061 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 16:13:49:770 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 16:13:56:040 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 16:13:56:717 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is DOWN. %Apr 27 16:13:58:378 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 16:14:02:335 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/1 link status is UP. %Apr 27 16:14:06:358 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 16:14:06:545 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is DOWN. %Apr 27 16:14:11:141 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is DOWN. %Apr 27 16:14:11:841 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/2 link status is UP. %Apr 27 16:14:14:186 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/10 link status is UP. %Apr 27 16:14:26:400 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:28:785 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:31:700 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:34:273 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:37:613 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:39:915 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:14:54:976 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is DOWN. %Apr 27 16:14:57:698 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/13 link status is UP. %Apr 27 16:15:08:644 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is DOWN. %Apr 27 16:15:11:367 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/11 link status is UP. %Apr 27 16:16:06:560 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is DOWN. %Apr 27 16:16:07:765 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 16:16:09:001 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/8 link status is UP. %Apr 27 16:16:10:119 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 16:16:18:505 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is DOWN. %Apr 27 16:16:21:140 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/6 link status is UP. %Apr 27 16:25:47:677 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:12:135 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:14:929 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:21:743 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:23:993 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:26:49:403 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN. %Apr 27 16:26:52:122 2000 MY1-1SW IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP. %Apr 27 16:56:29:688 2000 MY1-1SW SC/6/SC_AAA_LAUNCH: -AAAType=AUTHEN-AAAScheme= local-Service=login-UserName=root@system; AAA launched.

所有端口重启，是因为你的设备发生过重启，看看这个“%Apr 26 12:00:12:258 2000 MY1-1SW IC/6/SYS_RESTART: System restarted -- Hangzhou H3C Comware Software. ”，system restarted，检查重启的原因的，看看电源线有没有连接好，如果电源线接触好，设备有备用电源模块的话，换块电源看看吧

这个得慢慢分析下，原因有点复杂了