Translate Address And Port By Alg - TP-Link M7200 User Manual

Chapter 6
6. 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. On your computer or tablet, visit http://tplinkmifi.net, and log in with the password
you set for the Mobile Wi-Fi.
2. Go to Advanced
• PPTP Pass-through:
through an IP network and passed through the Mobile Wi-Fi.
• L2TP Pass-through:
through an IP network and passed through the Mobile Wi-Fi.
• IPSec Pass-through:
tunneled through an IP network and passed through the Mobile Wi-Fi. IPSec uses
cryptographic security services to ensure private and secure communications over
IP networks.
• FTP ALG: If enabled, it allows FTP (File Transfer Protocol) clients and servers to transfer
data via NAT.
• TFTP ALG: If enabled, it allows TFTP (Trivial File Transfer Protocol) clients and servers
to transfer data via NAT.
• H323 ALG: If enabled, it allows Microsoft NetMeeting clients to communicate via NAT.
• SIP ALG: If enabled, it allows clients communicate with SIP (Session Initiation Protocol)
servers via NAT.
> NAT Forwarding > ALG.
If enabled, it allows Point-to-Point sessions to be tunneled
If enabled, it allows Layer 2 Point-to-Point sessions to be tunneled
If enabled, it allows IPSec (Internet Protocol Security) to be
NAT Forwarding
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