华为交换机全局防环路配置

适用与华为交换机，防止下级环路，自动shutdown端口。
下列命令直接全部复制粘贴进去即可






loopback-detect enable
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interface GigabitEthernet0/0/1
loopback-detect action shutdown
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interface GigabitEthernet0/0/2
loopback-detect action shutdown
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interface GigabitEthernet0/0/3
loopback-detect action shutdown
#
interface GigabitEthernet0/0/4
loopback-detect action shutdown
#
interface GigabitEthernet0/0/5
loopback-detect action shutdown
#
interface GigabitEthernet0/0/6
loopback-detect action shutdown
#
interface GigabitEthernet0/0/7
loopback-detect action shutdown
#
interface GigabitEthernet0/0/8
loopback-detect action shutdown
#
interface GigabitEthernet0/0/9
loopback-detect action shutdown
#
interface GigabitEthernet0/0/10
loopback-detect action shutdown
#
interface GigabitEthernet0/0/11
loopback-detect action shutdown
#
interface GigabitEthernet0/0/12
loopback-detect action shutdown
#
interface GigabitEthernet0/0/13
loopback-detect action shutdown
#
interface GigabitEthernet0/0/14
loopback-detect action shutdown
#
interface GigabitEthernet0/0/15
loopback-detect action shutdown
#
interface GigabitEthernet0/0/16
loopback-detect action shutdown
#
interface GigabitEthernet0/0/17
loopback-detect action shutdown
#
interface GigabitEthernet0/0/18
loopback-detect action shutdown
#
interface GigabitEthernet0/0/19
loopback-detect action shutdown
#
interface GigabitEthernet0/0/20
loopback-detect action shutdown
#
interface GigabitEthernet0/0/21
loopback-detect action shutdown
#
interface GigabitEthernet0/0/22
loopback-detect action shutdown
#
interface GigabitEthernet0/0/23
loopback-detect action shutdown
#
interface GigabitEthernet0/0/24
loopback-detect action shutdown
#
interface GigabitEthernet0/0/25
loopback-detect action shutdown
#
interface GigabitEthernet0/0/26
loopback-detect action shutdown
#
interface GigabitEthernet0/0/27
loopback-detect action shutdown
#
interface GigabitEthernet0/0/28
loopback-detect action shutdown
#
loopback-detect action shutdown
#
interface XGigabitEthernet0/0/1
loopback-detect action shutdown
#
interface XGigabitEthernet0/0/2
loopback-detect action shutdown
#
interface XGigabitEthernet0/0/3
loopback-detect action shutdown
#
interface XGigabitEthernet0/0/4
loopback-detect action shutdown