Kernel 2.6.21: 802.3 frames not hitting netfilter filter table FORWARD chain

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Hey all;

I've got some old gear on a network with a couple of Linux transparent
bridge firewalls protecting the network.
For the regular Ethernet II frames the filtering in the netfilter
filter table FORWARD chain works well.

All old style 802.3 frames hit the ebtables  tables but not the
netfilter filter table FORWARD chain.
The 802.3 frames are carrying IP datagrams.  Is there a trick to get
them into the FORWARD chain ?
preferably without changing the bridging firewalls to routing firewalls.

Thanks for any info.

J Kane.
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