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Re: Multi-cast support in Ethernet drivers

From: Andrew Lunn <andrew at lunn dot ch>
To: Alexander Aganichev <aaganichev at gmail dot com>
Cc: eCos Discussion <ecos-discuss at ecos dot sourceware dot org>
Date: Tue, 17 Jul 2007 18:00:27 +0200
Subject: Re: [ECOS] Multi-cast support in Ethernet drivers
References: <c25335bc0707060606u33f67befl57a3807f446e5968@mail.gmail.com> <20070708185139.GE24630@lunn.ch> <c25335bc0707082359n30b77e05l2c564f219f6fcadf@mail.gmail.com> <20070709083403.GL24630@lunn.ch> <c25335bc0707160558i4f482eecsc95f9a78b0c848db@mail.gmail.com>

> The stack sets up multi-cast MAC to 01:00:5e:00:00:01 and cannot talk
> to my DHCP anymore.

My first guess is that you are programming the filter incorrectly in
your MAC chip. It could be you are blocking the broadcast address, or
the unicast address for your device. Is the DHCP server broadcasting
is response, or unicasting it? 

   Andrew

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Follow-Ups:
- Re: Multi-cast support in Ethernet drivers
  - From: Alexander Aganichev

References:
- Multi-cast support in Ethernet drivers
  - From: Alexander Aganichev
- Re: Multi-cast support in Ethernet drivers
  - From: Andrew Lunn
- Re: Multi-cast support in Ethernet drivers
  - From: Alexander Aganichev
- Re: Multi-cast support in Ethernet drivers
  - From: Andrew Lunn
- Re: Multi-cast support in Ethernet drivers
  - From: Alexander Aganichev

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