Re: Too Much ARP-ing

Bryn Paul Arnold Jones (
Tue, 28 Jan 1997 00:37:00 +0000 (GMT)

On Sun, 26 Jan 1997, Joel D. Kraft wrote:

> >
> >Your ethernet card is in promiscuous mode.
> >
> This was my initial thought. Even if this was so, there is no reason
> for the kernel to ARP someone who just sent an ARP request since ALL the
> information to cache that person was in the request they sent.
> Anyway, ifconfig doesn't seem to think it is in promiscuous mode:
> eth0 Link encap:10Mbps Ethernet HWaddr 00:00:1D:11:50:1B
> inet addr: Bcast: Mask:
> EtherTalk Phase 2 addr:38/192
> RX packets:7070694 errors:0 dropped:0 overruns:0
> TX packets:1160624 errors:0 dropped:0 overruns:0
> Interrupt:10 Base address:0x280 Memory:d8000-1

Hmm, dosn't multicast put some cards in promisc mode ?
Small snipit from linux/drivers/net/README.multicast:

PROMISC = This multicasts mode is in fact promiscuous mode. Avoid using
cards who go PROMISC on any multicast in a multicast kernel.


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