Commits on Sep 19, 2020

1. Packet Filter Linux ignore VLAN tagged packets …

   If you define kea dhcp on an untagged interface that also has a tagged
   vlan interface on top, it will see both dhcp packets (eth0 and eth0.10).
   
   Linux has a feature for auxiliary data on raw sockets which contains
   data about the vlan of the packet received.
   
   Kea should only answer packets without a vlan in the aux data,
   since those are the data send to the attached interface.
   vlan data are missing on the intended interface eth0.10 but set on eth0
   for the same packet.
   
   There was a discussion about this here:
   
   http://kea-users.7364.n8.nabble.com/Kea-users-KEA-DHCP-and-VLANS-td1618.html
   
   Signed-off-by: Sven Auhagen <[email protected]>

   

   svenauhagen committed Sep 19, 2020
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