Translate Address And Port By Alg - TP-Link Archer A6 User Manual

Chapter 11

11. 1. Translate Address and Port by ALG

ALG (Application Layer Gateway) allows customized NAT (Network Address Translation)
traversal filters to be plugged into the gateway to support address and port translation
for certain application layer "control/data" protocols: FTP, TFTP, H323 etc. Enabling ALG
is recommended.
1. Visit http://tplinkwifi.net, and log in with your TP-Link ID or the password you set for
the router.
2. Go to Advanced
Note: It is recommended to keep the default settings.
• Enable FTP ALG: If enabled, it allows FTP (File Transfer Protocol) clients and servers to
transfer data via NAT.
• Enable TFTP ALG:
servers to transfer data via NAT.
• Enable H323 ALG:
via NAT.
• Enable RTSP ALG:
servers to transfer data via NAT.
• Enable SIP ALG: If enabled, it allows clients communicate with SIP (Session Initiation
Protocol) servers via NAT.
• Enable PPTP Pass-through:
through an IP network and passed through the router.
• Enable L2TP Pass-through:
tunneled through an IP network and passed through the router.
• Enable IPSec Pass-through:
to be tunneled through an IP network and passed through the router. IPSec uses
> NAT Forwarding > ALG.
If enabled, it allows TFTP (Trivial File Transfer Protocol) clients and
If enabled, it allows Microsoft NetMeeting clients to communicate
If enabled, it allows RTSP (Real-Time Stream Protocol) clients and
If enabled, it allows Point-to-Point sessions to be tunneled
If enabled, it allows Layer 2 Point-to-Point sessions to be
If enabled, it allows IPSec (Internet Protocol Security)
NAT Forwarding
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