Arris BGW320

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multiple revisions of this device, use caution
abgn+ac+ax (AX36002R)
wireless router, ONT
Arris BGW320.jpg
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Status Unknown
Platform
BrandModelRev AT&T BGW320
Serial number prefix D93LD3xxxxxxxx
FCC ID 2AXXQBGW321, O6ZBGW320
Type wireless router, ONT
CPU1 checkY Broadcom BCM6858
CPU1 Type ARMv8
CPU1 Speed 1.5 GHz ( 4 cores ) 64-bit
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 brandRadio1 chip1 brandRadio2 chip1 brand
AT&T BGW320-505 ONT Residential Voice GatewayBroadcomBroadcomBroadcom
Arris BGW320BroadcomBroadcomBroadcom

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

For a list of all currently documented AT&T devices 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.