DD-WRT v3 on WNDR3700 v1 (atheros): NBN with TPG Australia

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textral
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Joined: 04 Dec 2019
Posts: 1

PostPosted: Wed Dec 04, 2019 13:49    Post subject: DD-WRT v3 on WNDR3700 v1 (atheros): NBN with TPG Australia Reply with quote
Hi all.

As the title suggests, I'm trying to configure a DD-WRT-flashed WNDR3700 v1 (atheros-based, according to https://forum.dd-wrt.com/wiki/index.php/Netgear_WNDR3700) to work with the NBN's network connection device (NCD) using TPG as my provider.

Several websites I've found indicate that TPG require the WAN port to be on VLAN2 with a tag of 2:
https://community.tpg.com.au/t5/Broadband-Internet/VLAN-info-for-NBN-HFC/td-p/33210
https://community.netgear.com/t5/Orbi/VLAN-tagging-for-TPG-NBN/td-p/1627531
https://voltaicforge.com/homelab/setup-pfsense-for-tpg-nbn/
https://forums.whirlpool.net.au/archive/2764424
https://whirlpool.net.au/wiki/vdsl2_modem_routers_isp_settings

The General Info section here https://wiki.dd-wrt.com/wiki/index.php/VLAN_Support states
Quote:
Non-Broadcom platforms support 802.1q VLAN tagging via the Networking page options, but it often does not work correctly and it is for tagging entire interfaces (the LAN ports are all one interface on these platforms)

Is the fact that it often doesn't work a limitation in DD-WRT's GUI, or in the hardware itself? If in the GUI, what sequence of "nvram set", vconfig, and swconfig commands must I execute to make the necessary changes?

I've already tried the following with no success:
Code:
nvram set vlan0ports="1 2 3 4 5*"
nvram set vlan1ports=5
nvram set vlan2ports="0t 5"
nvram set port0vlans=2
nvram set port1vlans=0
nvram set port2vlans=0
nvram set port3vlans=0
nvram set port4vlans=0
nvram set port5vlans="0 1 2"
nvram set vlan0hwname=et0
nvram set vlan1hwname=et0
nvram set vlan2hwname=et0
swconfig dev switch0 set enable_vlan 1
swconfig dev switch0 vlan 2 set ports "0t 5"
swconfig dev switch0 vlan 2 set vid "2"  # Unknown attribute "vid"
swconfig dev switch0 set apply

The General Info section also says
Quote:
Any other devices that don't create vlan# interfaces by default are believed to be able to support port-based VLAN's in DD-WRT

My router does not create vlan0 or vlan1 by default so I hoped this meant my router could satisfy TPG's requirements. But the quote ominously starts with "Any other"... meaning any devices not already described (and I think mine was already described by the "Non-Broadcom platforms support 802.1q VLAN tagging via the Networking page options" comment).

Any and all feedback and suggestions would be appreciated!
Thanks
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