D-Link DSL-2880AL - Local Network Information

Section 3 - Configuration
D-Link DSL-2880AL User Manual
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LOCAL NETWORK INFO
This window displays LAN information including MAC, IP address,
Mask, and DHCP Server.
USB 3G DONGLE INFO
This session show you USB 3G dongle signal strength and as well the
operation mode. When 3G internet connection is dropped
unexpectedly, you can check here to find out whether the root cause is
related to poor signal strength.