Hi,
I have just started experimenting with OpenLLDP and come across a little
bit of a nasty. When it opens the interface, it puts it into PROMISC
mode, which I don't really want to happen. Is there any way to add the
LLDP MAC address (01-80-C2-00-00-0E) to the interface mac filter from
user space, so that the interface does not have to be set to PROMISC?
The OpenLLDP uses BPF to interface with the network stack as it has to
send and receive RAW Ethernet frames (ether type 88-CC).
If this is not possible where would one start with moving the LLDP
implementation into the kernel. I was thinking of 3 options:
* Having a virtual interface (like vlan/carp) that attaches to a parent
that processes the packages.
* A netgraph node to processes the packets and send responses.
* A core protocol handler that deals with the hole thing for any
Ethernet capable interface.
Any help with this would be greatly appreciated.
Tom
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