7-7 
You can configure only one mapping for a host name. A mapping newly configured for the host name 
will overwrite the previous one if there is any. 
Related commands: display ip host. 
Examples 
# Map the IP address 10.110.0.1 to the host name aaa. 
<Sysname> system-view 
[Sysname] ip host aaa 10.110.0.1 
reset dns dynamic-host 
Syntax 
reset dns dynamic-host 
View 
User view 
Default Level 
2: System level 
Parameters 
None 
Description 
Use the reset dns dynamic-host command to clear the dynamic IPv4 domain name resolution 
information. 
Related commands: display dns dynamic-host. 
Examples 
# Clear the dynamic IPv4 domain name resolution information. 
<Sysname> reset dns dynamic-host