RACOM RipEX2, Руководство пользователя

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Example:
Explanation of non-typical and interesting parameters:
○ Destination port (from) and Destination port (to) : DNAT rule applies to UDP data with des-
tination ports within the 20001-20015 range only
○ Input interface : Data must be received on any ETH port
○ Range mapping : Set to “Port to IP address” - i.e., destination ports change the destination IP
address(es) accordingly.
○ Rewrite destination IP and Rewrite destination port : Set to IP 10.10.10.1 and port 502 -
resulting in a range of IPs 10.10.10.1 - 10.10.10.15 due to Destination ports of received UDP
data in a range of 20001-20015 (15 ports = 15 IP addresses). A new port is always 20000 (i.e.,
DNP3 default port).
Rewrite destination IP
IP address, default = 0.0.0.0/0
Defines a new destination address. Value 0.0.0.0/0 means, that the destination address is not
changed.
Rewrite destination port
Number {0 – 65535}, default = 0
Defines a new destination port (rewriting multiple defined ports into one). Value 0 means, that the
destination port is not changed.
Note
Informational note.
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