3com 8807 User Guide
Displaying and Debugging Domain Name Resolution
711
Configure the IP Address
of Domain Name Server
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.
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.
Configure Domain Name
Suffix
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.
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.
Displaying and
Debugging Domain
Name Resolution
Debugging Domain
Name Resolution
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.
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.
buffer. Execute the debugging command to debug the domain name resolution.
DNS Configuration
Example
Example
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.
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.
Table 658 Configure the IP address of the domain name sever
Operation
Command
Configure the IP address of the domain name sever
dns server ip-address
Delete the IP address of the domain name sever
undo dns server [ ip-address ]
Table 659 Configure domain name suffix
Operation
Command
Configure domain name suffix
dns domain domain-name
Delete domain name suffix
undo dns domain [ domain-name ]
Table 660 Display and debug the domain name resolution
Operation
Command
Display the static domain name resolution table
display ip host
Display the information on domain name sever
display dns server
Display the information on domain name suffix list
display dns domain
Display the information on the dynamic domain name buffer
display dns dynamic-host
Clear dynamic domain name buffer
reset dns dynamic-host
Enable the debugging for the domain name resolution
debugging dns
Disable the debugging for the domain name resolution
undo debugging dns