Re: em(4) VLAN + PROMISC still doesn't work with latest CVS version

From: Iasen Kostov (tbyte_at_OTEL.net)
Date: 12/07/04

  • Next message: Ruslan Ermilov: "Another bug with netmasked aliases (with fix)" 
    Date: Tue, 07 Dec 2004 16:22:16 +0200
To: Iasen Kostov <tbyte@OTEL.net>

    Iasen Kostov wrote:

    > Robert Watson wrote:
    >
    >> On Sat, 27 Nov 2004, Kevin Day wrote:
    >>
    >>
    >>
    >>> I recently upgraded to 5.3 on a system, and manually upgraded
    >>> src/sys/dev/em/* to the latest RELENG_5 versions. (1.44.2.4 of
    >>> if_em.c)
    >>
    >>
    >> I'm able to reproduce problems using the below configuration is 6.x
    >> also,
    >> and am investigating. Thanks for the report, hope to get back to you
    >> shortly with something concrete.
    >>
    >> Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
    >> robert@fledge.watson.org Principal Research Scientist, McAfee
    >> Research
    >>
    >>
    >>
    >>
    >>> While the VLAN side of things works better than the stock 5.3 version,
    >>> there still is this problem:
    >>>
    >>> ifconfig vlan1 create
    >>> ifconfig vlan1 vlan 1 vlandev em1 link0
    >>> ifconfig vlan2 create
    >>> ifconfig vlan2 vlan 2 vlandev em1 link0
    >>> ifconfig vlan3 create
    >>> ifconfig vlan3 vlan 3 vlandev em1 link0
    >>>
    >>> ifconfig vlan1 inet 192.aaa.bbb.129 netmask 255.255.255.0
    >>> ifconfig vlan2 inet 64.ccc.ddd.61 netmask 255.255.255.192
    >>> ifconfig vlan3 inet 64.eee.fff.61 netmask 255.255.255.192
    >>>
    >>> ifconfig em1 up
    >>> ifconfig em1 promisc
    >>>
    >>> If I do this, vlan1 and vlan3 work fine. Vlan2 can receive packets,
    >>> but anything sent out vlan2 doesn't seem to be heard by any foreign
    >>> hosts. Setting "ifconfig em1 -promisc" makes all vlans work properly.
    >>>
    >>> This is better than the stock 5.3 version of em(4) where none of the
    >>> vlans worked, but something still isn't right.
    >>>
    >>> Is this a known problem still or am I just doing something wrong?
    >>>
    >>>
    >>>
    >>>
    >>>
    >>
    > Saddly I can just confirm that :(
    >
    > regards
    >
    > _______________________________________________
    > freebsd-net@freebsd.org mailing list
    > http://lists.freebsd.org/mailman/listinfo/freebsd-net
    > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
    >
        Is there an update on this case or I should find a way to disable
    all hw "things" in the driver ?:) (because things are getting hot here :).

        regards

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