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
SIP
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.
H.323
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
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.
TFTP
The Pepwave router monitors outgoing TFTP connections and routes any incoming
TFTP data packets back to the client. Select
Enable
if you want to enable TFTP
passthrough support.
Service Passthrough Support
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