then specify the IP Address and Port of the server you wish to forward to the service to.
21.5 Service Passthrough
Service passthrough settings can be found at Advanced>Misc. Settings>Service
Passthrough.
Some Internet services need to be specially handled in a multi-WAN environment. Pepwave
routers can handle these services such that Internet applications do not notice being behind a
multi-WAN router. Settings for service passthrough support are available here.
Service Passthrough Support
Session initiation protocol, aka SIP, is a voice-over-IP protocol. The Pepwave router can
act as a SIP application layer gateway (ALG) which binds connections for the same SIP
session to the same WAN connection and translate IP address in the SIP packets
correctly in NAT mode. Such passthrough support is always enabled, and there are two
modes for selection: Standard Mode and Compatibility Mode. If your SIP server’s
signal port number is non-standard, you can check the box Define custom signal ports
and input the port numbers to the text boxes.
With this option enabled, protocols that provide audio-visual communication sessions will
be defined on any packet network and pass through the Pepwave router.
FTP sessions consist of two TCP connections; one for control and one for data. In a
multi-WAN situation, they must be routed to the same WAN connection. Otherwise,
problems will arise in transferring files. By default, the Pepwave router monitors TCP
control connections on port 21 for any FTP connections and binds TCP connections of
the same FTP session to the same WAN. If you have an FTP server listening on a port
number other than 21, you can check Define custom control ports and enter the port
numbers in the text boxes.
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