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Date:      Tue, 6 Nov 2001 10:22:51 +0100
From:      "Jose M. Alcaide" <jose@we.lc.ehu.es>
To:        Scott Mitchell <scott.mitchell@mail.com>
Cc:        mobile@FreeBSD.ORG
Subject:   Re: Xircom CE3-10/100 (xe(4)) cannot receive multicast frames
Message-ID:  <20011106102251.A343@v-ger.we.lc.ehu.es>
In-Reply-To: <20011106003619.A1861@localhost>; from scott.mitchell@mail.com on Tue, Nov 06, 2001 at 12:36:19AM %2B0000
References:  <20011105185451.A392@v-ger.we.lc.ehu.es> <20011106003619.A1861@localhost>

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On Tue, Nov 06, 2001 at 12:36:19AM +0000, Scott Mitchell wrote:
> Something is seriously broken in the xe(4) driver.  I don't think multicast
> receive has ever worked properly -- if you grovel around in the if_xe.c
> code you'll find some stuff to set up the multicast address filters that is
> never actually used :-(  It's been on my list of things to fix for ages,
> but no-one complained until now.

Uh, oh! So I am the first one trying to use IPv6 with a xe. IPv6 _needs_
full multicast support to work.

> I'll look into it as soon as I can, which might not be for a few weeks
> (sorry).  In the meantime, could you try putting the card in promiscuous
> mode and see if it receives the offending frames then?

Yes. With "tcpdump ether multicast and not ether broadcast" I see the
multicast frames. However, using "tcpdump -p ..." no multicast frames are
received.

  Thanks,
  JMA
-- 
****** Jose M. Alcaide  //  jose@we.lc.ehu.es  //  jmas@FreeBSD.org ******
** "Beware of Programmers who carry screwdrivers" --  Leonard Brandwein **

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