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how to use h3c switch command find out a repeated ip address




















#-1F.wifi cannot use
#figue out who is using 172.18.x.xxx







#1
telnet 172.18.x.xx


system


display interface brief


dis mac-add 58d9-d582-8489
#display mac-address 58d9-d582-8489


int g1/0/22


shut


#taking your laptop connect a ethernet cable, 
#it will solve 3 problem
1.the network cable from the wall
2.the network line
3.the internet ip

















#2
telnet 172.18.x.xx

sys

int g1/0/22

shutdown

dis this
#
interface GigabitEthernet1/0/22
 port access vlan 11
 shutdown
 stp edged-port enable
#





#a few moments later...
undo shutdown
#
interface GigabitEthernet1/0/22
 port access vlan 11
 stp edged-port enable
#




#done






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