Cambium Networks cnReach N500, Руководство пользователя

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cnReach N500 User Guide System Configuration
phn-4673_003v000 (November 2018)
2-13
Network/Net Filters
cnReach supports an IP filtering feature used to allow only traffic coming from an approved source. The
IP filter feature behaves like a ‘white list’ where
The filters take action on the radio port egress traffic.
Network/NAT & Port Forwarding
Network address translation (NAT) allows the radio to remap all routed traffic passed by the radio's
default interface so that the traffic uses the IP address of the interface instead of the source's original IP
address. This ability lets you reroute traffic without re-addressing every host. (This process is also
known as NAPT or IP masquerading.) In contrast to NAT, port forwarding rewrites the destination port
and IP address. For example, inbound traffic on a specific local port is forwarded to a remote IP address
and port. This can be useful for allowing the radio to communicate with a a specific computer (such as a
central controller) or a service within a private local-area network (LAN).