Action
SNAT Rewrite IP address of the computer that establishes the connection
DNAT Rewrite IP address of the addressed computer
1:1NAT Translate IP address one‑to‑one
Source Network
Inside Packets originate from an internal interface (LAN)
Outside Packets originate from an external interface (WAN)
Translation Type
IP to IP Translate one IP address to another
IP to Interface Translate an IP address to the IP address of a single interface
IP Port to IP Port Translate one combination of IP address and port to another
ACL to Interface Translate an IP address according to ACL rule into an IP address of a single interface
ACL to IP Translate an IP address to another IP address according to ACL rule
Examples Case 1: SNAT (TC router as Internet gateway)
The TK800 works as an Internet gateway for connected devices with private IP addresses. It translates private IP
addresses from the LAN into a public, routable Internet address.
(Note: This is the factory setting of all Welotec routers).
1. Configure the ACL rule. To do this, go to the Firewall menu and select the ACL subitem.
2. Now assign an ID for the rule and enter the IP address and the corresponding Wildcard mask.
(Note: The wildcard mask is the inverted netmask and is used by routers to edit ACLs (Access Control Lists)).
Welotec GmbH
Zum Hagenbach 7
48366 Laer
www.welotec.com
info@welotec.com
+49 2554 9130 00
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