显示当前缓存的DNS		show dp-dns-resp-snooping all show dp-dns-resp-snooping all | includ 域名/IP show dp-dns-resp-snooping specific 域名
清除当前缓存的DNS		clear dns-resp-snooping
查看当前授权 卸载授权		show license exec license uninstall xxxx
定期FTP导出配置		configuration auto-backup ftp x.x.x.x user xxxx password xxxx path /fw-742
手动FTP导出配置		export configuration startup to ftp server x.x.x.x vrouter trust-vr user xxxx password xxxx file-name