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Date: Sun, 4 Dec 2011 06:52:21 +0100
From: Pawel Tyll <ptyll@nitronet.pl>
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Subject: VLAN and LLADDR.
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Hi list,

Having  a different MAC address on vlan interface and parent interface
requires enabling promiscuous mode. Is this a bug, or is it working as
intended?  Will  leaving  promiscuous  mode  enabled indefinitely hurt
performance on gigabit em interface?