Airtel ZTE ZXHN F670L is an AC1200 dual-band triple-play GPON gateway that provides four GE LAN ports and one phone port. It provides a dual-band concurrent Wi-Fi speed up to 1200 Mbps, allowing users to surf the internet, watch videos and play online games.
By doing certain custom setting, user can get a stable connectivity in LAN.
1. WLAN Settings
A. Local network WLAN Global Configuration 2.4 GHz
Certain custom settings of wireless LAN in 2.4 GHz band can help get better wireless network connectivity and stability. This include
- Setting Channel to Auto, allows the Wi-Fi router to automatically select a wireless channel in 2.4 GHz band that has low interference.
- In the Mode setting user can set the wireless standard that will used to host the wireless network in 2.4 GHz band. Setting the Mode to IEEE 802.11n Only disables the old wireless standards and uses only 802.11n network standard to host the wireless network.
- Selecting the "Australia" as the Country region in 2.4 GHz band opens up the channel number 12 and 13, that are free from interference.
- Turning OFF the Short Guard interval(SGI) helps minimizing interference(ISI).
WLAN Global Config_1
With the above points in consideration this is the first config that can be done.
Do the following settings:
- Go to Local Network > WLAN > WLAN Basic > WLAN Global Configuration > 2.4 GHz setting.
- Channel : Auto
- Mode : IEEE 802.11n Only
- Country/Region: Australia
- Band Width: Auto
- SGI: Off
- Click Apply button.
WLAN Global Config_2
Restrict the bandwidth to 20 MHz, when there are multiple wireless network in the area and 2.4 GHz channels are congested.
- Setting the Bandwidth to 20 MHz gives better stability and avoid interference.
Do the following settings:
- Go to Local Network > WLAN > WLAN Basic > WLAN Global Configuration > 2.4 GHz setting.
- Channel : Auto
- Mode : IEEE 802.11n Only
- Country/Region: Australia
- Band Width: 20MHz
- SGI: Off
- Click Apply button.
WLAN Global Config_3
Manually setting the 2.4 GHz channel helps in minimising interference if the user know which channel is least utilized.
Do the following settings:
- Go to Local Network > WLAN > WLAN Basic > WLAN Global Configuration > 2.4 GHz setting.
- Channel : 13
- Mode : IEEE 802.11n Only
- Country/Region: Australia
- Band Width: 20 MHz
- SGI: Off
- Click Apply button.
B. Local Network WLAN Global Configuration 5 GHz
Here user can do the custom settings for the wireless network in 5 GHz band.
WLAN Global Config_1
Selecting the "Australia" as the Country region in 5 GHz band, opens up the channel number 52, 56, 60 ,64 (UNII-2) and 100, 104, 108,112 (UNII-E).
Do the following settings
- Go to Local Network > WLAN > WLAN Basic > WLAN Global Configuration > 5 GHz setting.
- Channel: Auto
- Mode: IEEE 802.11ac Only
- Country/Region: Australia
- Band Width: Auto
- SGI: Off
- Beacon Interval: 100ms
- Transmitting Power : 100%
- Click Apply button.
WLAN Global Config_2
If you want to manually set the 5 GHz channel then do the following settings:
- Go to Local Network > WLAN > WLAN Basic > WLAN Global Configuration > 2.4 GHz setting.
- Channel: 56
- Mode: IEEE 802.11ac Only
- Country/Region: Australia
- Band Width: Auto
- SGI: Off
- Beacon Interval: 100 ms
- Transmitting Power: 100%
- Click Apply button.
2. LAN IPv4 DHCP Settings
It is recommended to change the default setting of the IPv4 DHCP server to achieve better stability of the LAN network.
Do the following custom DHCP server setting:
- Go to Local Network > LAN > IPv4 > DHCP Server setting.
- DHCP Server : On
- LAN IP Address: 192.168.100.1
- Subnet Mask: 255.255.255.0
- DHCP Start IP Address: 192.168.100.2
- DHCP End IP Address: 192.168.100.254
- Click Apply button.
Note: After this setting the IP address of the ZTE router will be 192.168.100.1
IPv4 DNS setting for Block ads
User can use their own custom DNS server setting to block ads.
To set custom DNS server setting do the followings:
- Go to Local Network > LAN > IPv4 > DHCP Server setting.
- ISP DNS: Off
- Primary DNS : 94.140.14.15
- Secondary DNS: 94.140.15.16
- Click Apply button.
3. Local Network DNS Settings
Local network DNS setting can be used to set the custom DNS server that will be assigned to the devices connecting to the LAN.
Blocking ads at DNS level lowers the load on internet traffic. Thus it speeds up overall internet experience.
Example : Adguard DNS server can be use to block the ads on devices connected to the LAN.
- Go to Local Network > DNS setting.
- IPv4 DNS Server1: 94. 40.14.15
- IPv4 DNS Server2: 94. 40.15.16
- IPv6 DNS Server1: 2a10:50c0::bad1:ff
- IPv6 DNS Server2: 2a10:50c0::bad2:ff
- Click Apply button.
Also configure the LAN IPv6 DHCPv6 Server setting as shown :
- DHCPv6 Server: On
- DNS Delegate Type: Auto , DNS Address Specified
- Click Apply button.
4. WLAN Encryption Type
Use WPA2 AES encryption method enhances security and is faster compared to older WPA encryption method.
That's why user must use WPA2 encryption method for wireless network security.
- Go to Local Network > WLAN > WLAN Basic > WLAN SSID Configuration setting.
- Select the option WPA2-PSK-AES as Encryption Type for every SSID.
- Click Apply button.
5. WLAN SSID Configuration
When creating wireless network in 2.4 GHz, give preference to the SSID1 (2.4GHz) config..
When creating wireless network in 5 GHz, give preference to the SSID5 (5 GHz) config.
6. SNTP Server Setting
Configuring a proper NTP server setting will set the correct date and time in the router.
To do so do the following:
- Go to Internet > SNTP setting.
- Set Primary NTP Server as 0.in.pool.ntp.org
- Set Secondary NTP Server as 1.in.pool.ntp.org
- Click Apply button.
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