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Configuring Domain Name System (DNS) Characteristics
Changing the Time LimitThe domain name resolution time limit specifies the time that the access server waits before it resends a query to a name server. The range is from 1 to 10 seconds, and the default is 4 seconds.
To change the time limit, enter the command shown in the following example:
Local> CHANGE INTERNET NAME RESOLUTION TIME LIMIT 5
Changing the Retry LimitThe domain name resolution retry limit indicates the number of times that the access server resends queries to the same name server when looking for an Internet host. The range is from 1 to 5, and the default is 3.
To change the retry limit, enter the command shown in the following example:
Local> CHANGE INTERNET NAME RESOLUTION RETRY LIMIT 2
Changing the Name Resolution ModeThe name resolution mode describes where the access server searches for host name and address information. To change the name resolution mode, use the command shown in the following example:
Local> CHANGE INTERNET NAME RESOLUTION MODE LOCAL
Name Resolution Modes
The following table lists and describes the name resolution modes:
Mode | When the access server attempts to resolve a host |
| name or address, it searches: |
|
|
Local | Local data, which is host name and address information that |
| users previously entered with the SET/DEFINE/CHANGE |
| INTERNET HOST command. Use local data when no name |
| servers are configured. |
Remote | Learned data and remote name servers. |
| Learned data is name and address information that the access |
| server receives from name servers and enters in its cache. If the |
| access server fails to resolve the address with the learned data |
| in its cache, it queries the network name servers for remote data. |
Ordered | Local data, then learned data and remote data from the network |
(Default) | name servers. Local data takes precedence. |
|