Stopping ARP messages
John Murphy
jfm at blueyonder.co.uk
Fri Apr 4 01:33:08 BST 2003
Paul Civati <paul at xciv.org> wrote:
>Jeff LaCoursiere <jeff at jeff.net> wrote:
>
>> I don't get it - is BY bridging? Why would you see multiple mac
>> addresses locally? Its not something on your local LAN?
>
>I don't fully understand how it works.. but yes, the cable modem
>effectively makes your home PC bridge into their cable network up
>to the UBR (I think). Hence it's possible to see the MAC address
>of your gateway (the UBR) changing, as if it was a local device.
An ancient thread; but Dancho Penev <dpenev at mail.bg> recently wrote,
on FreeBSD-questions Message-ID: <20030403183937.GA523 at earth.dpsca.bg>
# sysctl net.link.ether.inet.log_arp_movements=3D0
Not sure (yet) when this ctrl became available, but it will be nice to
never see:
arp: 62.31.198.1 moved from 00:d0:ba:32:1e:54 to 00:d0:ba:32:1e:70 on ed0
arp: 62.31.198.1 moved from 00:d0:ba:32:1e:70 to 00:d0:ba:32:1e:54 on ed0
etc. again.
John.
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