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Manage the WiFi Network Settings
115
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
6. Enter the settings as described in the following table.
Except for the description of 20/40 MHz coexistence, the descriptions in the table (not the
settings onscreen) apply to both the Advanced Wireless Settings (2.4GHz b/g/n) section
and the Advanced Wireless Settings (5GHz 802.1
1a/n/ac) section.
Field Description
Enable 20/40 MHz
Coexistence
By default, 20/40 MHz coexistence is enabled to prevent interference between WiFi
networks in your environment at the expense of the WiFi speed. If no other WiFi
networks are present in your environment, you can clear the Enable 20/40 MHz
Coexistence check box to increase the WiFi speed to the maximum supported
speed.
Fragmentation
Length (256-2346)
CTS/RTS Threshold
(1-2347)
Preamble Mode
7. Click the Apply button.
Your settings are saved.
Use the Modem Router as a WiFi Access Point
You can set up the modem router to function as a WiFi access point (AP) on the same local
network as another router. When the modem router functions as a WiFi AP, many
router-related features are disabled.
Tip: If you want to change the modem router’
s function, use a wired connection
to avoid being disconnected when the new function takes effect.
To set up the modem router as an AP:
1. Use an Ethernet cable to connect the Internet port of the modem router to a LAN port on
the other router.
Note: 20/40 MHz coexistence applies to the 2.4 GHz band only.
The fragmentation length (the default is 2346), CTS/RTS threshold (the default is
2347), and the preamble mode (the default is Long Preamble) are reserved for WiFi
testing and advanced configuration only. Do not change these settings unless
directed by NETGEAR support or unless you are sure what the consequences are.
Incorrect settings might disable the WiFi function of the modem router unexpectedly.