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Configuring and managing IP interfaces and services 167
Nortel WLAN—Security Switch 2300 Series Configuration Guide
Changing the idle timeout for CLI management sessions
By default, WSS Software automatically terminates a console or Telnet session that is idle for more than one hour. To
change the idle timeout for CLI management sessions, use the following command:
set system idle-timeout seconds
You can specify from 0 to 86400 seconds (one day). The default is 3600 (one hour). If you specify 0, the idle timeout is
disabled. The timeout interval is in 30-second increments. For example, the interval can be 0, or 30 seconds, or 60
seconds, or 90 seconds, and so on. If you enter an interval that is not divisible by 30, the CLI rounds up to the next
30-second increment. For example, if you enter 31, the CLI rounds up to 60.
This command applies to all types of CLI management sessions: console, Telnet, and SSH. The timeout change applies
to existing sessions only, not to new sessions.
The following command sets the idle timeout to 1800 seconds (one half hour):
WSS# set system idle-timeout 1800
success: change accepted.
To reset the idle timeout to its default value, use the following command:
clear system idle-timeout
To display the current setting (if the timeout has been changed from the default), use the show config area system
command. If you are not certain whether the timeout has been changed, use the show config all command.
Configuring and managing DNS
You can configure a WSS to use a Domain Name Service (DNS) server to resolve hostnames into their IP addresses.
This capability is useful in cases where you specify a hostname instead of an IP address in a command.
For example, as an alternative to the command ping 192.168.9.1, you can enter the command ping chris.example.com.
When you enter ping chris.example.com, the WSS's DNS client queries a DNS server for the IP address that corre-
sponds to the hostname chris.example.com, then sends the ping request to that IP address.
The WSS switch’s DNS client is disabled by default. To configure DNS:
• Enable the DNS client.
• Specify the IP addresses of the DNS servers.
• Configure a default domain name for DNS queries.