EnGenius Technologies ENH500 - Manual (Page 57)

Connect on Demand Select the Radio button to specify the maximum idle time. The
Internet will disconnect when it reaches the maximum idle time;
however, it will automatically connect when a client tries to access
the network.
Keep Alive Select the Radio button to keep internet connection always on.
Specify the redial period for once the Internet connection is lost.
Get Automatically
From ISP Select the Radio button for the DNS servers to be obtained
automatically from the DHCP server.
Use These DNS Servers Select the Radio button for setup the Primary DNS and
Secondary DNS servers manually.
Discard Ping on WAN Place a check to Enable or Disable ping from WAN.
Accept / Cancel
Press Accept to confirm the changes or Cancel to return
previous settings.
Accept does not apply the changes – you must go to Status -> Save / Load
to apply the new settings. Please refer to Chapter 4.1 for more information.
If the router's MTU is set too high, downstream packets will be fragmented. If
the router's MTU is set too low, the router will fragment packets unnecessarily and, in extreme
cases, may be unable to establish connections. In either case, network performance can suffer.