Date: Tue, 23 Nov 2004 08:37:40 +0100 From: Jeremie Le Hen <jeremie@le-hen.org> To: Iasen Kostov <tbyte@OTEL.net> Cc: freebsd-hackers@freebsd.org Subject: Re: setting promisc mode kills vlans on devices with hwtagging (em, re ...) Message-ID: <20041123073740.GJ960@obiwan.tataz.chchile.org> In-Reply-To: <41A292D8.4050904@OTEL.net> References: <41A292D8.4050904@OTEL.net>
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> if you setup a vlan devices with parent one of emX or reX (this what I > have at the moment) > which has hardware vlan tagging just try to run tcpdump (without -p) and > the vlans will > die :). That doesn't happen with parent devices not supporting > hwtagging. And this totally > excludes possibility to run a bridge over vlans with parent device which > support hwtaggs. > And something else was observed with re driver - it is impossible to > disable hwtaggs by > -vlanhwtag neither you can disable vlan mtu :). I believe this has been fixed by Robert Watson one week ago, at least for the em(4) driver. I don't know anything about re(4). http://docs.freebsd.org/cgi/getmsg.cgi?fetch=291393+0+archive/2004/cvs-all/20041121.cvs-all Regards, -- Jeremie Le Hen jeremie@le-hen.org
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