Displaying And Debugging Domain Name Resolution; Dns Configuration Example - 3Com 8807 Configuration Manual

Configure the IP Address
of Domain Name Server
Configure Domain Name
Suffix
Displaying and
Debugging Domain
Name Resolution
DNS Configuration
Example
You are required to configure the domain name sever if you need to use the
function of the dynamic domain name resolution. In this way, you can send the
inquiry request packets to the appropriate sever. The system supports up to six
domain name severs.
Perform the following configuration in system view.
Table 658 Configure the IP address of the domain name sever
Operation
Configure the IP address of the domain name sever
Delete the IP address of the domain name sever
You can use the following command to configure domain name suffix list. By
configuring this, you can just input part of the domain name and the system
automatically adds the preconfigured suffix to perform the resolution. The system
supports up to 10 domain name suffixes.
Perform the following configuration in system view.
Table 659 Configure domain name suffix
Operation
Configure domain name suffix
Delete domain name suffix
After the above configuration, you can execute the display command in any view
to view the running states of the domain name resolution, and verify the
configuration results through the displayed information.
Execute the reset command in user view to clear the dynamic domain name
buffer. Execute the debugging command to debug the domain name resolution.
Table 660 Display and debug the domain name resolution
Operation
Display the static domain name resolution table
Display the information on domain name sever
Display the information on domain name suffix list
Display the information on the dynamic domain name buffer
Clear dynamic domain name buffer
Enable the debugging for the domain name resolution
Disable the debugging for the domain name resolution
Network requirements
As the client, the switch uses dynamic domain name resolution. The IP address of
the domain name server is 172.16.1.1. The configured suffix of the domain name
is "com". There is a route between the switch and the server.

Displaying and Debugging Domain Name Resolution

Command
dns server ip-address
undo dns server [ ip-address ]
Command
dns domain domain-name
undo dns domain [ domain-name ]
711
Command
display ip host
display dns server
display dns domain
display dns dynamic-host
reset dns dynamic-host
debugging dns
undo debugging dns