User's Manual

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clear ip host
name
Delete a host in cache.
clear ip host *
Delte all the hosts in cache.
64.3.9 Specify the IP address of a primary server
You can only specify one primary server, if you specify another,it will replace the one earlier.
In congure use the following command:
Command Function
ip domain primary-server
address Set a primary server.
no ip domain primary-server
Delete the primary server.
64.3.10 Enable update function of dynamic DNS
The router having static IP address doesn’t need the function, so you can use the no format to disable domain
dynamic. By default, the function is disable.
In congure use the following command
Command Function
ip domain dynamic enable
Enable domain dynamic.
no ip domain dynamic enable
Disable domain dynamic.
64.3.11 Set the period of DNS update
In congure use the following command:
Command Function
ip domain dynamic period
seconds Set time of updating period.
no ip domain dynamic period
Restore to the default.
64.3.12 Bind the domain name to a IP address or IP address of interface
This command doesn’t support binding the second IP address to a domain name.
After the command is using, the changing of the IP address of interface will update the mapping in the primary
server, that is, dynamic domain updating.
In general, it needs to update in the following cases:
When the router reboots, it should register to the primay server at once.
By clock
If the binding command is used, it will add or delete a mapping in primary server.
When the IP address of a interface changes
When the interface having been binded is shut up or is deleted
In congure use the following command:
Command Function