Arris BGW320

multiple revisions of this device, use caution

abgn+ac+ax (AX36002R)
wireless router, ONT
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Status Unknown
Tomato any flavor	Status Unknown
Platform
Brand • Model • Rev	AT&T BGW320
Serial number prefix	D93LD3xxxxxxxx
FCC ID	2AXXQBGW321, O6ZBGW320
Type	wireless router, ONT
CPU1	Broadcom BCM6858
CPU1 Type	ARMv8
CPU1 Speed	1.5 GHz ( 4 cores )
Flash1 Chip	Brand? Model?
Flash1 Size	? MiB
RAM1 Size	? MiB
RAM1 Chip	Brand? Model?
ETH chip1	Broadcom BCM6858
Switch	Broadcom BCM6858
Ethernet Port Count	1-1GbE-WAN 4-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: 10:C4:CA Ethernet OUI: 10:C4:CA
Expansion IF types	SPF, USB
USB ports	1
SFP ports	1
USB Hub Compatible	Untested
Power	12 VDC, 4 A
Flags: Wi-Fi 6
Other
Manuf/OEM/ODM	Humax
Radio 1
Chip1	Broadcom BCM43684
Wireless interface OUI	10:C4:CA
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11b/g/n/ax
802.11ax	up to 1148 Mbps
802.11n	up to 600 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
Radio 2
Chip1	Broadcom BCM43684
Wireless interface OUI	10:C4:CA
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11a/n/ac/ax
802.11ax	up to 2402 Mbps
802.11ac	up to 1733 Mbps
802.11n	up to 600 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz
CPU1 brand Radio1 chip1 brand Radio2 chip1 brand AT&T BGW320-505 ONT Residential Voice Gateway Broadcom Broadcom Broadcom Arris BGW320 Broadcom Broadcom Broadcom

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented AT&T device with specifications, see AT&T.

• 2402 Mbps - 4SS 5GHz 802.11ax (80MHz chan.)

• 1148 Mbps - 4SS 2.4GHz 802.11ax (40MHz chan.) = AX3600 class

Overview

The BGW320 is a router/ONT combo which is currently used in some connections utilizing AT&T's gigabit fiber service available through Sonic. BGW320-505s feature one 5G Ethernet port. The BGW320-505 also provides three 10/100/1000 BaseT Ethernet ports, 5 GHz low-band, 5 GHz high-band, and 2.4GHz.

This device was under short-term confidentiality, but that expired 03/19/2023 ⚠.

Links of Interest

https://help.sonic.com/hc/en-us/articles/1500000066642-ARRIS-BGW320

https://www.att.com/support/topic/u-verse-high-speed-internet/topic_gatewaysmodems-topic_bgw-topic_bgw320/

https://www.modemguides.com/shop/arris-bgw320/

https://help.sonic.com/hc/en-us/articles/360059074954-How-to-configure-your-AT-T-modem-for-use-with-a-3rd-party-router

Bridging or IP passthrough

Configuration steps to perform on the HUMAX BGW320-500 (BGW210-700) AT&T Fiber Gateway:

1. Login to the BGW210-700's web-based configuration interface in your web browser using the link: https://192.168.1.254

2. Go to the "Home Network" tab -> "Wi-Fi" tab

3. Set Home SSID Enable to "Off"

4. Set Guest SSID Enable to "Off"

5. Set 2.4 GHz Wi-Fi operation to "Off"

6. Set 5 GHz Wi-Fi operation to "Off"

7. Go to the "Firewall" -> "Packet Filter" tab. Click on the "Disable Packet Filters" button.

8. Go to the "Firewall" -> "IP Passthrough" tab. Select "Passthrough" in the "Allocation Mode" option

9. Do not enter anything for the "Default Server Internal Address". Leave this field blank

10. In the "Passthrough Mode" selection choose "DHCPS-Fixed".

11. Type in the Ubiquiti USG MAC address under "Manual Entry". The MAC address should be in traditional hexadecimal format xx:xx:xx:xx:xx:xx where x's should be values from 0-9 or letters a-f, separated by colons.

12. The Passthrough DHCP Lease value defaults to 10 minutes. You cannot change this.

13. Click "Save" at the bottom. Go back and check to make sure that the changes were implemented. If not, do it again.

14. Click on the "Device" tab and select "Restart Device". It will take a couple of minutes.

Then, on my Ubiquiti USG-Pro, I had to do the following:

I had to delete the DNS Server addresses that had auto-populated under SETTINGS / NETWORKS / COMMON SETTINGS / Dns Server (I used the classsic interface and not the new beta).

I then set-up a port forward I needed for my Helium Miner (Port 44158). I did so using TCP only and I had already assigned myHelium miner a static IP address.

After rebooting everything, my port forwarding now works.

I hope this information is helpful to your future customers.