交换机配置环路检测，执行shutdown操作，恢复后以下配置会执行恢复端口行为吗

交换机配置了环路检测，接口检测到环路执行shutdown,没有看到恢复的命令，然后当时出现环路检测后关闭了上行接口，大概过来三十秒有恢复UP了，这个是默认的吗？

loopback-detection global enable vlan 1 to 4094 

 loopback-detection global action shutdown

 loopback-detection interval-time 35

 

 version 7.1.070, Release 6318P01

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 sysname 3Tu-20dian-6.38

#

 clock timezone GMT add 08:00:00

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 telnet server enable

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 voice-vlan mac-address 0080-9f00-0000 mask ffff-ff00-0000 description IP4028

 voice-vlan mac-address 0026-8b00-0000 mask ffff-ff00-0000 description IP8001

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

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 dot1x

 dot1x authentication-method eap

 dot1x timer reauth-period 900

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 mac-authentication 

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 lldp global enable

#

 loopback-detection global enable vlan 1 to 4094 

 loopback-detection global action shutdown

 loopback-detection interval-time 35

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 password-recovery enable

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vlan 1

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vlan 2

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vlan 50

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vlan 208

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vlan 900

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 stp global enable

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interface NULL0

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interface Vlan-interface1

 ip address 192.168.6.38 255.255.255.0

 dhcp client identifier ascii 74d6cb98da02-VLAN0001

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interface GigabitEthernet1/0/1

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/2

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/3

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/4

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x         

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/5

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/6

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/7

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/8

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/9

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 combo enable auto

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/10

 port link-type hybrid

 undo port hybrid vlan 1

 port hybrid vlan 50 untagged

 port hybrid pvid vlan 50

 voice-vlan 900 enable

 combo enable auto

 stp edged-port

 dot1x

 undo dot1x handshake

 dot1x guest-vlan 208

 mac-authentication

#

interface GigabitEthernet1/0/11

 port link-type trunk

 port trunk permit vlan all

#

interface GigabitEthernet1/0/12

 description To_6.90 GE0/0/28

 port link-type trunk

 port trunk permit vlan all

#

 scheduler logfile size 16

#

line class aux

 user-role network-admin

#              

line class vty

 user-role network-operator

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line aux 0

 user-role network-admin

#

line vty 0 4

 authentication-mode scheme

 user-role network-operator

 idle-timeout 5 0

#

line vty 5 63

 user-role network-operator

#

 ip route-static 0.0.0.0 0 192.168.6.254

#

 ssh server enable

#

role name level-0

 description Predefined level-0 role

#

role name level-1

 description Predefined level-1 role

#

role name level-2

 description Predefined level-2 role

#

role name level-3

 description Predefined level-3 role

#

role name level-4

 description Predefined level-4 role

#

role name level-5

 description Predefined level-5 role

#

role name level-6

 description Predefined level-6 role

#

role name level-7

 description Predefined level-7 role

#

role name level-8

 description Predefined level-8 role

#

role name level-9

 description Predefined level-9 role

#

role name level-10

 description Predefined level-10 role

#

role name level-11

 description Predefined level-11 role

#

role name level-12

 description Predefined level-12 role

#

role name level-13

 description Predefined level-13 role

#

role name level-14

 description Predefined level-14 role

#

user-group system