How can I use ddwrt switching chip to passthrough 802.1Q?

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realdreams
DD-WRT Novice


Joined: 23 Feb 2010
Posts: 45
PostPosted: Mon May 02, 2016 20:32    Post subject: How can I use ddwrt switching chip to passthrough 802.1Q? Reply with quote
Belkin F7D8301, latest K3.x build
ETH chip1: Broadcom BCM4718A1
Switch: Broadcom BCM53115

It looks like with default settings, ddwrt strips 802.1q tags on received frames on the switch.

How can let the switch leave the 802.1q tags alone?

Basically I need 2 trunk ports with tagged and untagged frames, other ports are untagged. Can't figure out how to do it in the GUI.
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Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 6870
Location: Romerike, Norway
PostPosted: Mon May 02, 2016 21:05    Post subject: Reply with quote
Use the CLI to set-up VLAN. Add a "t" after the port number to have it tagged.

NVRAM SET vlan1ports="1t 2 3 4 5"
VRAM COMMIT

http://www.vspecialist.co.uk/creating-vlans-in-dd-wrt-part-1/
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