Cisco Cisco Content Security Management Appliance M160 Guía Del Usuario

The Clear Cache button from the GUI, or the d

nsflush

 command (for more information about the 

dnsflush

 command, see the Cisco IronPort AsyncOS CLI Reference Guide), clears all information in the 

DNS cache. You may choose to use this feature when changes have been made to your local DNS system. 
The command takes place immediately and may cause a temporary performance degradation while the 
cache is repopulated.

 

On the Management Appliance > Network > DNS page, click the Edit Settings button. 

Select whether to use the Internet’s root DNS servers or your own internal DNS server(s), and specify 
authoritative DNS servers.

If you want to use your own DNS server(s) or specify authoritative DNS servers, enter the server ID and 
click Add Row. Repeat this for each server. When entering your own DNS servers, specify a priority as 
well. For more information, see 

.

Choose an interface for DNS traffic.

Enter the number of seconds to wait before canceling a reverse DNS lookup.

Optionally, clear the DNS cache by clicking Clear Cache.

Submit and commit your changes.

Some network environments require the use of traffic routes other than the standard default gateway. You 
can manage static routes in the GUI through the Management Appliance > Network > Routing page, or 
in the CLI by using the 

routeconfig

 command.

You can create, edit, or delete static routes by using the Management Appliance > Network > Routing 
page. You can also modify the default gateway from this page.

On the Management Appliance > Network > Routing page, click Add Route in the route listing. The 
Enter a name for the route.

Enter the destination IP address.

Enter the gateway IP address.