D-Link DIR-825 User Manual page 91

DIR-825 AC1200 Wave 2 MU-MIMO Wi-Fi Gigabit Router
with 3G/LTE Support and USB Port
User Manual
Parameter
NAT
Firewall
Ping
RIP
Isolate connection
If the switch is moved to the right, the network address translation
function is enabled. Do not disable the function unless your ISP
requires this.
If the switch is moved to the right, protection against external
connections for the LAN devices is enabled (for example, against
attempts to get information about the LAN devices or to hack a
device from the LAN). For security reasons, it is recommended not
to disable this function.
If the switch is moved to the right, the router responds to ping
requests from the external network through this connection. For
security reasons, it is recommended to disable this function.
Move the switch to the right to allow using RIP for this connection.
If the switch is moved to the right, the router uses an alternate
routing table for this connection. Enable this function only when
your ISP requires this.
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Configuring via Web-based Interface
Description