Ii-4-5 Alg - Draytek Vigor2862 Series User Manual

Comment
Source IP
Triggering Protocol
Triggering Port
Incoming Protocol
Incoming Port
After finishing all the settings here, please click OK to save the configuration.
I I - 4 - 5 A L
I I - 4 - 5 A
ALG means Application Layer Gateway. There are two methods provided by Vigor router,
RTSP (Real Time Streaming Protocol) ALG and SIP (Session Initiation Protocol) ALG, for
processing the packets of voice and video.
RTSP ALG makes RTSP message, RTCP message, and RTP packets of voice and video be
transmitted and received correctly via NAT by Vigor router.
However, SIP ALG makes SIP message and RTP packets of voice be transmitted and received
correctly via NAT by Vigor router.
Available settings are explained as follows:
Item
Enable ALG
Listen Port
TCP
UDP
186
G
L G
Type the text to memorize the application of this rule.
Use the drop down list to specify an IP object. Or click IP
Object link to create a new one for applying.
Select the protocol (TCP, UDP or TCP/UDP) for such
triggering profile.
Type the port or port range for such triggering profile.
When the triggering packets received, it is expected the
incoming packets will use the selected protocol. Select the
protocol (TCP, UDP or TCP/UDP) for the incoming data of
such triggering profile.
Type the port or port range for the incoming packets.
Description
Check to enable such function.
Type a port number for SIP or RTSP protocol.
Check the box to make correspond protocol message packet
from TCP transmit and receive via NAT.
Check the box to make correspond protocol message packet
from UDP transmit and receive via NAT.
Vigor2862 Series User's Guide