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SIP
Session initiation protocol, aka SIP, is a voice-over-IP protocol. The Peplink Balance 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 passthrough the Balance.
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 Peplink Balance 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 Peplink Balance 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.
IPsec NAT-T
This field is for enabling the support of IPsec NAT-T passthrough. UDP ports 500, 4500,
and 10000 are monitored by default.
You may add more custom data ports that your IPsec system uses by checking Define
custom ports. If the VPN contains IPsec site-to-site VPN traffic, check Route IPsec
Site-to-Site VPN and choose the WAN connection to route the traffic to.
11 AP Tab
11.1 AP
11.1.1 AP Controller
Clicking on the AP tab will default to this menu, where you can view basic AP management
options: