A frame with a destination address of FF:00:00:00:00:00 shouldn't be
processed, unless the card has been told to listen to that multicast
address.
Driver/Card information:
-------------------
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
00:10.0: 3Com PCI 3c905C Tornado at 0xe000. Vers LK1.1.1600:10.0
3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)
-------------------
I tried:
# ifconfig eth0 -mulicast
And STILL the frame was processed.
The linux/drivers/net/3c59x.c has this comment:
/* Pre-Cyclone chips have no documented multicast filter, so the only
multicast setting is to receive all multicast frames. At least
the chip has a very clean way to set the mode, unlike many others. */
However, this card is Tornado, the latest rev, so this comment shouldn't
apply.
The families go: Vortex -> Boomerang -> Cyclone -> Tornado
Also, I tried using the latest Donald Becker driver with the same
results:
(dmesg output from latest Donald Becker driver)
3c59x.c:v0.99X 6/21/2002 Donald Becker, becker@scyld.com
http://www.scyld.com/network/vortex.html
eth0: 3Com 3c905C Tornado at 0xe000, 00:01:03:de:57:37, IRQ 7
8K buffer 5:3 Rx:Tx split, autoselect/Autonegotiate interface.
MII transceiver found at address 24, status 782d.
Using bus-master transmits and whole-frame receives.
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This archive was generated by hypermail 2b29 : Sun Jul 07 2002 - 22:00:09 EST