XAC combined with WBC Local Cloudnet for fixed account authentication, cannot pop up the portal authentication screen?

XAC combined with WBC Local Cloudnet for fixed account authentication, cannot pop up the portal authentication screen?

When XAC does portal authentication in combination with WBC Local Cloud, the terminal needs to resolve the private domain name wbcloud.h3c.com and the extranet domain name. Therefore, a DNS proxy needs to be configured on the AC to resolve these two domains: Problem solved after configuring dns proxy: dns proxy enable; dns server xxxx.