Draytek Vigor2920 Series User Manual page 261

Available settings are explained as follows:
Item
Activate
Setup Query Server
Setup Test Server
Find more
Set to Factory Default
Default Message
Cache
Description
Click it to access into MyVigor for activating WCF service.
It is recommended for you to use the default setting,
auto-selected. You need to specify a server for categorize
searching when you type URL in browser based on the web
content filter profile. Such server is powered by
Commtouch.
It is recommended for you to use the default setting,
auto-selected. Such server is powered by Commtouch.
Click it to open http://myvigor.draytek.com for searching
another qualified and suitable server.
Click this link to retrieve the factory settings.
You can type the message manually for your necessity or click
this button to get the default message which will be displayed
on the field of Administration Message.
None – the router will check the URL that the user wants to
access via WCF precisely, however, the processing rate is
normal. Such item can provide the most accurate URL
matching.
L1 – the router will check the URL that the user wants to
access via WCF. If the URL has been accessed previously, it
will be stored for a short time (about 1 second) in the router to
be accessed quickly if required. Such item can provide
accurate URL matching with faster rate.
L2 – the router will check the URL that the user wants to
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Vigor2920 Series User's Guide