How to configure an authentication-free URL on Ruijie Series AC?

Requirements
Allow unauthenticated clients to access some URL directly without authentication.
Topology


ConfigurationTips
The authentication-free URL takes effect only afterthe Web-based authentication function is enabled.
ConfigurationSteps
1.      
Enabling DNS SNOOPING

Notes: DNS SNOOPING is enabled by default. If youhave disable it before, you can use the following command to enable it:
Ruijie#conf
Ruijie(config)#ip dns snooping enable
2.      
Configuring Authentication-free URL

Ruijie#conf
Ruijie(config)#free-url url url
Notes: url: Indicates a designated URL
For example:
Ruijie#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Ruijie(config)#ip dns snooping enable
Ruijie(config)#free-url url*
.amazon.com

Ruijie(config)#exit
Ruijie#wr


Verification
Run this command to check the authentication-freeURL information: show free-url
Before configure:


After configure:

Access url *amazon.com without captive portal authentication



Check on device cli page with the command: showfree-url


If you want to clear the record, you can use thecommand: clear free-url'



If you want to delete one of url you configure, youcan use the following commands:
AP680#show run | in free-url
AP680(config)#no free-url url ww. amazon.com