D-Link DIR-615+ - Alg;Passthrough

101D-Link DIR-615+ User Manual
Section 4 - Conguration
ALG/Passthrough
The ALG/Passthrough page allows you to congure the router to use RTSP,
enable the SIP ALG and PPPoE/PPTP/L2TP/IPsec passthrough functions.
Toggle this switch to enable/disable the following:
SIP PPPoE passthrough
RTSP IPsec passthrough
High priority for IPTV L2TP passthrough
High priority for service trac
High priority for service trac
High priority for Web interface and Telnet
PPTP passthrough
Click APPLY when nished.