Subject: Any way to configure a vlan interface to grab ONLY untagged frames?

From: Nathan Neulinger <[email-masked]>
Date: Sun, 13 Sep 2015 11:49:00 -0500

It seems like running 'vconfig add IFACE 0' and using IFACE.0 would do this, but it doesn't actually seem to work that way.

If I capture on IFACE directly, I'd expect to get all traffic, including the tagged frames (with the tag intact). 
Looking to be able to bridge/capture/etc. and specifically only receive the untagged frames that haven't already been 
pulled out into a vlan specific interface.

Is there any way to accomplish this without using ebtables or other similar hacks?

-- Nathan

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Nathan Neulinger                       [email-masked]
Neulinger Consulting                   (573) 612-1412